JP4373421B2 - Dishwasher - Google Patents

Description

  The present invention relates to a dishwasher.

  A dishwasher is used with a water supply hose and a drainage hose connected, but especially in a built-in type dishwasher installed in a system kitchen, it is necessary to make the connection between the water supply hose and the drainage hose compact. There is.

  As a built-in type dishwasher, for example, in a dishwasher 70 disclosed in Patent Document 1 below, a water supply hose 74, a water supply valve 75, and a drainage hose 76 are arranged above the back surface 72 of the dishwasher main body 71. In order to supply water into the washing chamber from the water supply hose 74 via the water supply valve 75 and drain the water from the drainage hose 76 to the outside of the machine so that the depth dimension of the dishwasher main body 71 can be used effectively. In addition, at least one of the water supply hose 74 and the drainage hose 76 is disposed in the groove 73 provided on the back surface 72 of the dishwasher main body 71, and is piped from above the back surface 72 of the dishwasher main body 71 through the outside of the back surface 72. The configuration is shown.

In such a dishwasher 70, a high water pressure is applied to the water supply hose 74, and every time the water supply valve 75 is opened and closed, a high water pressure is also repeatedly applied to the connecting portion between the water supply valve 75 and the water supply hose 74. When this connection part was damaged by use of water, water leakage sometimes occurred from the damaged part.

In the dishwasher 80 disclosed in the following Patent Document 2 as a means for detecting such a water leak from the connecting portion of the water supply hose, when a water leak occurs from the connecting portion of the water supply valve 82, the existing In order to receive the leaked water using the structure, and to detect the water leak and prevent the floor surface from getting wet, the tank is provided with an abnormal water level detecting means 85 that communicates with the cleaning chamber 81 and detects the abnormal water level. A case 83 is provided at a position below the water supply valve 82 outside the cleaning chamber 81, and a lid 84 having a water passage opening for the water storage case 83 is provided so as to be in contact with the outer surface of the cleaning chamber 81, so that water leaks from the connection portion of the water supply valve 82. When the water is leaked, the leaked water is received by the lid 84 and enters the water reservoir case 83 through the water inlet of the lid 84 and is detected by the abnormal water level detecting means 85 when the water level reaches the abnormal water level in the water reservoir case 83. Like so It is.
Japanese Patent Laid-Open No. 2003-210378 JP-A-9-38013

  However, in this Patent Document 2, although it is recognized that there is a problem that water leakage occurs at the connection portion of the water supply valve 82, the abnormal water level detection means 85 detects the abnormal water level in the water reservoir case 83. Only an attempt is made to prevent the floor surface from getting wet, and no effective technique such as a water leakage prevention mechanism for preventing water leakage itself at the connection portion of the water supply valve 82 is disclosed.

  On the other hand, the present inventors have found that the cause of water leakage at the connection portion of the water supply valve of the dishwasher is that high water pressure is repeatedly applied to the connection portion between the water supply valve and the water supply hose every time the water supply valve is opened and closed. Therefore, a water supply valve with a built-in flow control valve is placed outside the dishwasher to reduce the water pressure on the secondary water supply hose from the water supply valve to the water supply connection (connector) of the dishwasher. Propose to let you.

  However, even in a dishwasher employing such a configuration, there has been no established water supply connection part (connector) that can prevent water leakage.

  The present invention is configured to be compactly storable, and when the connection tool is incorporated into the equipment housing using the connection tool, the end of the water supply hose is securely connected to the connection tool, and the connection part is connected to the outside. It aims at providing the dishwasher which can prevent the water leak to.

A dishwasher according to claim 1 of the present invention provides a water supply from an equipment housing, a washing chamber provided inside the equipment housing, and a water supply valve provided outside the equipment housing in the washing chamber. Water supply hose that receives water, an internal water supply hose that is connected to the water supply hose and supplies water toward the cleaning chamber, a drainage hose that drains water from the cleaning chamber, and a device housing side mounting In a dishwasher comprising a connection tool attached to a member and connecting a water supply hose and an internal water supply hose, the connection tool is attached to the water supply hose end fixing part and the water supply hose end fixing part so as to be openable and closable. water hose and water hose end fixing cover unit, and a hose joint housing part for accommodating allow holding the hose joint connecting the water supply hose and the internal water supply hose, the ends of the water supply hose and the water supply hose end fixing portion was The locked protrusion provided on the water supply hose end fixing cover is elastically engaged with the locking piece provided on the water supply hose end fixing part, which is held in the water supply hose holding space formed between the fixed cover and the water supply hose. By doing so, when this connector is attached to the equipment side mounting member with the water supply hose end fixing cover part closed to the water supply hose end fixing part, the water supply hose end fixing cover part becomes the equipment side mounting member. By being pressed, the water supply hose end portion is tightly held between the water supply hose end fixing portion and the water supply hose end fixing cover portion.

  According to the dishwasher according to claim 1, the locked protrusion provided on the water supply hose end fixing cover portion is elastically engaged with the locking piece provided on the water supply hose end fixing portion, thereby fixing the water supply hose end. Once the connector is installed in the equipment body with the cover closed to the water supply hose end fixing part, the water supply hose end fixing cover part contacts the equipment side mounting member and presses against the water supply hose end fixing part side. In addition, since the closed state is maintained and the end of the water supply hose is also held in a pressed state, water leakage from the connection portion to the outside can be reliably prevented.

  Further, the connector used in the dishwasher according to the present invention has a simple structure in which a pressing force is generated by closing the water supply hose end fixing cover portion to the water supply hose end fixing portion and attaching it to the device side mounting member. It is configured compactly.

  A dishwasher according to a second aspect of the present invention is the dishwasher according to the first aspect, wherein a plurality of semi-annular ridges are provided on each inner peripheral surface of the water supply hose end fixing portion and the water supply hose end fixing cover portion. The semi-annular ridges are formed in steps and are configured to engage and press a plurality of annular grooves formed in the outer peripheral surface of the water supply hose end.

  According to the dishwasher according to claim 2, the semicircular ridges of the water supply hose end fixing part and the water supply hose end fixing cover part and the annular groove at the end of the water supply hose are engaged, The semi-annular protrusion and the annular groove can be brought into close contact with each other at a plurality of positions for sealing, and water leakage downward from this connecting portion can be prevented.

  A dishwasher according to a third aspect of the present invention is the dishwasher according to the second aspect, wherein the water overflows at an upper position adjacent to the semi-annular ridge formed on the inner peripheral surface of the water supply hose end fixing portion. An opening is formed, and a vertical wall is erected on the outer peripheral surface of the water supply hose end fixing portion at the left and right positions sandwiching the overflow opening, and a horizontal wall is erected to connect the left and right vertical walls below the overflow opening. In addition, an inclined wall that is inclined downward as the distance from the overflow opening is further erected below the lateral wall.

  According to the dishwasher according to claim 3, if a water leak occurs in the connection portion with the water supply hose, the leaked water is put on the inner peripheral surface of the water supply hose end fixing portion and the water supply hose end fixing cover portion. Although it stops above the formed semi-annular ridge, by providing the overflow opening, it can quickly flow out of the overflow opening. In addition, the leaked water is formed from the horizontal wall sandwiched between the left and right vertical walls toward the direction inclined further to the lower side of the inclined wall, that is, the flow path formed outward from the water supply hose end fixing portion. Will be discharged. In this way, the flow path of the leaked water can be set compactly in a limited space, and the leaked water follows a constant flow path and is guided to the lower part of the device body, It is possible to prevent the occurrence of malfunctions caused by inadvertently wetting electrical components. In addition, if an overflow sensor is provided in a portion where the finally leaked water is guided, the overflow can be detected by the overflow sensor.

  A dishwasher according to a fourth aspect of the present invention is the dishwasher according to the third aspect, wherein a part of the lower end is notched and formed on one wall surface of the vertical wall to which the slant wall is inclined downward. A water draining portion is provided.

  According to the dishwasher according to claim 4, the water leaked from the overflow opening and led to the inclined wall is guided downward through one wall surface of the vertical wall, and the draining portion provided at the lower end thereof It is possible to prevent the occurrence of problems caused by inadvertently wetting the electrical components.

  A dishwasher according to a fifth aspect of the present invention is the dishwasher according to the third aspect, wherein one of the left and right vertical walls erected across the overflow opening is a frame that supports the drain hose. It is comprised as a part.

  According to the dishwasher which concerns on Claim 5, by using a part of frame which hold | maintains a drainage hose with this vertical wall, a connecting tool is comprised compactly and material used (weight) is reduced. Can do.

  A dishwasher according to a sixth aspect of the present invention is the dishwasher according to any one of the first to fifth aspects, wherein the water supply hose end fixing cover portion is integrally formed with the water supply hose end fixing portion. Are hinged.

  According to the dishwasher according to the sixth aspect, the water supply hose end fixing cover is easily elastically coupled to the water supply hose end fixing by the integrally formed resin hinge, and other members are prepared for the coupling. There is no need to do so, and the connector can be configured compactly. Further, when the connector is injection-molded using a resin mold, the resin hinge can be formed simultaneously with the same mold.

  A dishwasher according to a seventh aspect of the present invention is the dishwasher according to any one of the first to sixth aspects, wherein a hose joint housing portion is provided above the water supply hose end fixing portion, and the hose A storage groove is formed near the water supply hose end fixing part of the joint storage part, and a contact plate is erected at a position facing the storage groove at the upper part of the water supply hose end fixed cover part. When the hose joint mounting plate that holds the hose joint is inserted and the water supply hose end fixing cover is closed to the water supply hose end fixing portion, the contact plate presses the hose joint mounting plate. It is.

  According to the dishwasher according to claim 7, the compact configuration of the storage groove and the contact plate that opposes and presses the hose joint mounting plate stored in the hose joint storage portion through the storage groove. However, when the water supply hose end fixing cover portion is closed to the water supply hose end fixing portion, the hose joint can be reliably fixed to the storage portion.

  A dishwasher according to an eighth aspect of the present invention is the dishwasher according to the seventh aspect, wherein an internal water supply hose rotation restricting portion is extended in the horizontal direction at an upper end portion of the hose joint housing portion, and the internal water supply hose is provided. When the rotation restricting portion is rotatably attached to the hose joint mounting plate and abuts on a bent tube portion connected to the internal water supply hose, the rotation restricting portion restricts the bent tube portion from rotating in the abutting direction. It is what.

  According to the dishwasher concerning Claim 8, the rotation range of an internal water supply hose (curved pipe part) is controlled reliably by the compact composition of the internal water supply hose rotation restriction part provided above the hose joint storage part. be able to.

  A dishwasher according to a ninth aspect of the present invention is the dishwasher according to the sixth aspect, wherein an opening preventing member having an engagement hole is disposed adjacent to the resin hinge and a water supply hose end fixing cover is provided. When the engaging protrusion is provided on the part and closed to the water supply hose end fixing cover part or the water supply hose end fixing part, the engagement piece is engaged with the engagement hole, and the water supply hose end fixing cover part The closed state is maintained.

According to the dishwasher according to claim 9, since the water supply hose end fixing cover portion is surely restrained by the water supply hose end fixing portion on the resin hinge side, the water supply hose end fixing portion and the water supply hose end fixing cover are more reliably provided. The water supply hose can be fixed and held in a space formed between the two parts. Moreover, it is not necessary to prepare other members for such restraint and holding, and the connector can be made compact, and when the connector is injection-molded using a resin mold, the resin hinge is also provided. The same mold can be used.

  According to the dishwasher of the present invention, the end of the water supply hose is securely connected to the connection tool when the connection tool is incorporated into the device casing using the connection tool that is compactly storable. Further, it is possible to prevent water leakage from the connecting portion to the outside.

  BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the best mode for carrying out the dishwasher of the present invention will be described in detail with reference to FIGS. FIG. 1 is a front view for explaining a schematic structure of a dishwasher according to the present invention. FIG. 2 is a perspective view showing a state in which the water supply hose end fixing cover portion is closed for explaining the outline of the connector used in the dishwasher according to the present invention, and FIG. 3 is a water supply hose end fixing cover. It is a perspective view which shows the state which open | released the part. FIG. 4 is an enlarged side view of a part of FIG. FIG. 5 is a front view showing a state in which the water supply hose end fixing cover portion is closed in order to explain the structure of the connector used in the dishwasher according to the present invention, and FIG. 6 is a water supply hose end fixing. It is a front view which shows the state which open | released the cover part, FIG. 7 is the back view. It should be understood that the embodiments disclosed below are illustrative in all respects and are not restrictive. The technical scope of the present invention is shown not by the content disclosed in the embodiment but by the description of the scope of claims, and further includes all modifications within the meaning and scope equivalent to the scope of claims. Should be understood.

  As shown in FIG. 1, the dishwasher 60 according to the present invention includes a device housing 61, a cleaning chamber 62 provided inside the device housing 61, and the cleaning chamber 62 including the device housing 61. A water supply hose 64 that receives water from an external water supply valve 65, an internal water supply hose 67 that is provided inside the device housing 61 and that is connected to the water supply hose 64 and supplies water toward the cleaning chamber 62, and cleaning A drainage hose 68 that drains from the chamber and a connector 1 that is attached to the device-side mounting member 63 of the device housing 61 and connects the water supply hose 64 and the internal water supply hose 67 are configured.

  The connector 1 used in the dishwasher 60 is attached to the side wall (device-side mounting member 63) of the device casing 61, and is connected to the cleaning chamber 61 to supply cleaning water and a dishwasher. In this embodiment, a water supply valve 65 is provided on the upstream side of the connected water supply hose 64, and on the downstream side of the water supply valve 65. The water supply hose 64 (secondary side) and the internal water supply hose 67 are connected. Although a high water pressure is applied to the water supply hose 66 (primary side) upstream from the water supply valve 65, the flow rate control valve (not shown) incorporated in the water supply valve 65 causes the water supply hose 64 (secondary side) to be downstream. The water pressure is adjusted to be lower than the primary side. In addition, the water supply hose 64 has a double structure, and has the structure which covered the outer side of the water supply hose 64a which has original pressure resistance with the protection hose 64b.

  Further, the connector 1 is configured to also hold a drain hose 68 in order to temporarily lift the drainage after being used for washing the tableware and discharge it to the outside of the device.

The connector 1 is located below the water supply hose end fixing portion 10 and the water supply hose end fixing portion 10 for fixing the end portion (protection hose end 64c) of the water supply hose 64 (protection hose 64b). A water supply hose holding part 20 that holds the hose 64b) and a hose joint that houses the hose joint 40 that is located above the water supply hose end fixing part 10 and connects the water supply hose 64 (water supply hose 64a) and the internal water supply hose 67. The storage unit 30 is provided. Such a connection tool is integrally molded using a synthetic resin such as polypropylene resin or polycarbonate resin.

  The water supply hose end fixing portion 10 accommodates and fixes the protective hose end 64c with the protective hose end 64c of the protective hose 64b facing upward, and has a semi-cylindrical shape along the outer peripheral surface of the protective hose end 64c. A barrel wall portion 10a having a peripheral surface is provided, and the barrel wall portion 10a has a plurality of steps engaged with a plurality of steps (two in the upper and lower stages in this embodiment) provided in the protective hose end 64c. A semi-annular ridge portion 10b (in the present embodiment, two upper and lower stages) is formed. Further, the water supply hose end fixing portion 10 is integrally provided with a resin hinge 12 on one end surface (the left end surface in FIG. 5) along the axial direction of the protective hose end 64c. Are connected by the resin hinge 12 so as to be openable.

  The water supply hose end fixing cover portion 11 includes a body wall portion 11a having a semi-cylindrical inner peripheral surface along the outer peripheral surface of the protective hose end 64c at a lower portion, and the body wall portion 11a has a protective hose end 64c on the body wall portion 11a. A pair of upper and lower semi-annular ridges 11b that engage with the provided upper and lower two-stage annular grooves 64d are formed.

  The protective hose end 64c is accommodated and held in the space formed between the water supply hose end fixing portion 10 and the water supply hose end fixing cover portion 11 of the connector 1 thus configured, and the water supply hose end fixing cover portion 11 is When the water supply hose end fixing portion 10 is closed, the semicircular ridges 10b and 11b formed on the inner peripheral surfaces of the water supply hose end fixing portion 10 and the water supply hose end fixing cover portion 11 are the outer periphery of the protective hose end 64c. The upper and lower two-stage annular grooves 64d formed on the surface are pressed to obtain high adhesion.

  In addition, the water supply hose end fixing cover portion 11 is formed in a flat plate shape in the upper portion, the dimension in the depth direction is set to approximately ½ of the outer diameter of the protection hose end 64c, and the dimension in the width direction is the end of the protection hose. A rear surface side of the space in which the protective hose end 64c is accommodated when the water supply hose end fixing cover portion 11 is closed to the water supply hose end fixing portion 10 with the contact portion 11c set substantially the same as the outer diameter of 64c. The outer surface of the contact portion 11c is set so as to slightly protrude from the device mounting surface 1a (shown by a one-dot chain line in FIG. 4) of the entire connecting device 1.

  Accordingly, when the connector 1 is attached to the device-side attachment member 63 in a state where the water supply hose end fixing cover portion 11 is closed to the water supply hose end fixing portion 10 and the water supply hose holding cover portion 21 is closed to the water supply hose holding portion 20. The device mounting surface 1a comes into contact with the device-side mounting member 63. Since the outer surface of the contact portion 11c is configured to slightly protrude from the device mounting surface 1a, the contact portion 11c The water supply hose end fixing cover portion 11 is pressed toward the water supply hose end fixing portion 10 side. As a result, the state in which the water supply hose end fixing cover portion 11 is closed is maintained, and the protective hose end 64c is in a state where the semicircular ridge portions 10b and 11b press the annular concave groove 64d of the protective hose end 64c. Therefore, it is possible to reliably prevent water leakage from the connector 1 to the lower portion of the water supply hose end fixing portion 10.

  Further, a hooked protruding piece 11d is projected from the end surface of the water supply hose end fixing cover portion 11 opposite to the resin hinge 12, and the other end surface (the right end surface in FIG. 5) of the water supply hose end fixing portion 10 is provided. The locking piece 10c (hook) is erected so as to face the locked protruding piece 11d toward the opening of the water supply hose end fixing portion 10, and the locked protruding piece 11a is engaged with the locking piece 10c. As a result, the opening of the water supply hose end fixing portion 10 is closed, and the protective hose end 64c is fixedly held in the space formed between the water supply hose end fixing portion 10 and the water supply hose end fixing cover portion 11. .

Further, an engaged protrusion 11e is projected on the end surface connected to the resin hinge 12 of the water supply hose end fixing cover portion 11, and the end surface of the water supply hose end fixing portion 10 on the side where the resin hinge 12 is provided is An opening preventing member 10d having an engagement hole 10e is erected at a position facing the engaged protrusion 11e, and the water supply hose end fixing cover portion 11 is engaged with the water supply hose end fixing portion 10 in a closed state. Since the protrusion 11e engages with the engagement hole 10e, the water supply hose end fixing cover portion 11 is reliably restrained by the water supply hose end fixing portion 10 on the resin hinge 12 side. The protective hose end 64c is fixedly held in a space formed between the water supply hose end fixing cover portion 10 and the water supply hose end fixing cover portion 11.

  The water supply hose holding part 20 is located below the water supply hose end fixing part 10 and sandwiches the protective hose 64b close to the protective hose end 64c, and has an inner peripheral surface along the outer peripheral surface of the protective hose 64b. A water supply hose holding cover portion 21 is opened by a resin hinge 22 on one end surface (the right end surface in FIG. 5) along the axial direction of the protective hose 64b. It is connected so that the water supply hose holding cover part 21 is provided with the trunk | drum wall part 21a formed in flat form. In addition, the dimension of the depth direction and the width direction of the trunk | drum wall part 20a is set substantially the same as the outer diameter of the protection hose 64b.

  Further, a locking projection piece 21b protrudes from the end surface of the water supply hose holding cover portion 21 opposite to the resin hinge 22, and is arranged on the other end surface (the left end surface in FIG. 5) side of the water supply hose holding portion 20. The drainage hose restraining frame 52 is provided with a locking piece 52b (hook) standing toward the opening of the water supply hose holding portion 20 so as to face the locked projection piece 21b. When the protrusion 21b engages with the locking piece 52b, the opening of the water supply hose holding part 20 is closed, and the protective hose 64b is formed in the space formed between the water supply hose holding part 20 and the water supply hose holding cover part 21. Will be retained.

  Further, an engaged protrusion 21c protrudes from an end surface of the water supply hose holding cover portion 21 connected to the resin hinge 22, and an end surface of the water supply hose holding portion 20 on the side where the resin hinge 22 is provided is engaged. An opening preventing member 20b having an engagement hole 20c is erected at a position facing the mating piece 21c, and the engaged piece 21c is in a state where the water supply hose holding cover part 21 is closed to the water supply hose holding part 20. By engaging with the engagement hole 20c, the water supply hose holding cover portion 21 is reliably restrained by the water supply hose holding portion 20 on the resin hinge 22 side, so that the water supply hose holding portion 20 and the water supply hose holding cover are more reliably attached. The protective hose 64b is held in the space formed between the portions 21.

  Overflow openings 10f penetrating the trunk wall 10a are provided at positions immediately above the upper and lower half-annular ridges 10b formed in the trunk wall 10a of the water supply hose end fixing part 10, and the trunk wall A first vertical wall 13a (on the right side in FIG. 7) and a second vertical wall 13b (on the left side in FIG. 7) are provided upright on both the left and right sides of the upper and lower two-stage overflow openings 10f on the outer side (rear side) of 10a. A horizontal wall 13c is erected so as to connect the left and right vertical walls 13a and 13b below the overflow opening 10f, and further, an inclined wall 13d that is inclined downward as it approaches the first vertical wall 13a side is erected. ing. And the overflow guideway 13 is comprised by these vertical walls 13a and 13b, the horizontal wall 13c, and the inclined wall 13d, and should be connected part of the hose joint 40 mentioned later (connection part of the straight pipe part 47 and the water supply hose 64a). Alternatively, when water leakage occurs at the bent pipe portion 43 and the internal water supply hose 67), the overflow opening 10f and the overflow guide path 13 (vertical walls 13a, 13b → horizontal wall 13c → slanted wall 13d) Then, overflow is induced below the first vertical wall 13a. Then, a part of the first vertical wall 13a is cut out to form a draining portion 13e, and the overflow water guided downward is dripped at the draining portion 13e. And it can detect that the water leak generate | occur | produced with the overflow sensor 69 arrange | positioned under the draining part 13e inside this apparatus.

The hose joint storage part 30 is formed at a position above the water supply hose end fixing part 10, and the protruding strips 33 are mutually positioned at the positions of the left and right side walls 32 spaced apart from the bottom wall 31 of the hose joint storage part 30 by a predetermined dimension. A storage groove 34 is formed between the protruding strip 33 and the bottom wall 31. Then, when the hose joint mounting plate 41 of the hose joint 40 is inserted into the storage groove 34 and the water supply hose end fixing cover portion 11 is closed, the contact plate erected on the water supply hose end fixing cover portion 11. 11 f abuts on the fixing portion 46 below the hose joint mounting plate 41, and the hose joint 40 is accommodated in the hose joint accommodating portion 30 and fixed.

  In addition, an internal water supply hose rotation restricting portion 35 is erected at a position further above one side wall 32 (the left side wall in FIG. 5) of the hose joint storage portion 30 so as to project inward, and a hose joint described later. The 40 bent pipe portions 43 are in contact with the internal water supply hose rotation restricting portion 35, thereby being restricted from rotating outward from the contact position.

  The hose joint 40 is for connecting the water supply hose 64a and the internal water supply hose 67. The male screw portion 42 is integrally provided above the hose joint mounting plate 41, and the internal water supply hose 67 is connected. The base end side of the pipe portion 43 is rotatably engaged with the male screw portion 42 by the nut member 45 with the backflow prevention valve 44 mounted between the tube portion 43 and the hose joint mounting plate 41. A fixed portion 46 is provided below the fixed portion 46, and a straight pipe portion 47 to which the water supply hose 64 a is connected is integrally provided below the fixed portion 46.

  On the back side of the water supply hose end fixing part 10 and the hose joint storage part 30, a drain hose holding frame body 50 and a drain hose support frame body 51 are erected in an arc shape with an interval capable of holding the drain hose. The drainage hose 68 is housed in a space formed between the drainage hose holding frame body 50 and the drainage hose support frame body 51, and the protruding piece 50 a erected on the edge of the drainage hose holding frame body 50 The drainage hose 68 is held by the protruding piece 51 a standing at the edge of the drainage hose support frame 51, and the drainage hose 68 is accommodated by the support piece 51 b standing at the edge of the drainage hose support frame 51. I support you not to leave.

  Further, a drain hose restraining frame body 52 having a substantially U-shaped cross-sectional view is integrally provided on the outer side of the end surface (the left end surface in FIG. 5) of the water supply hose holding cover portion 21 to support the drain hose holding frame 50 and the drain hose. The lower portion of the drainage hose 68 held by the frame 51 is bent and restrained in the drainage hose restraining frame 52, and the drainage hose 68 is held by a support piece 52a standing on the edge thereof.

  Here, between the drainage hose support frame 51 and the drainage hose restraining frame 52, there is a first vertical wall 12 a erected on the back side of the water supply hose end fixing portion 10. The outer surface side (the right side in FIG. 7) of the vertical wall 12a can function as a support plate for guiding and supporting the drainage hose 68. Thereby, it is not necessary to provide another support plate, the number of parts can be reduced, and the connecting tool 1 can be configured compactly to reduce the material (weight) used.

  In the above-described embodiment, the body wall 11a of the water supply hose end fixing cover 11 has two upper and lower half-annular rings that engage with the upper and lower two-stage annular grooves 64d provided on the protective hose end 64c. Although the ridge portion 11b is formed, the annular groove 64d and the semicircular ridge portion 11b may be composed of a plurality of stages of three or more stages. Further, along with this, the overflow openings 10f provided at the positions immediately above the semi-annular ridges 10b may also be provided at a plurality of three or more locations.

It is a front view for demonstrating the schematic structure of the dishwasher which concerns on this invention. It is a perspective view for demonstrating the outline | summary of the connector used for the dishwasher which concerns on this invention (The state which open | released the water supply hose end fixed cover part is shown). It is a perspective view for demonstrating the outline | summary of the connector used for the dishwasher which concerns on this invention (The state which closed the water supply hose end fixing cover part) is shown. It is a side view (partial enlarged view of FIG. 1) for demonstrating the structure of the connection tool used for the dishwasher which concerns on this invention. It is a front view for demonstrating the structure of the connector used for the dishwasher which concerns on this invention (The state which open | released the water supply hose end fixed cover part is shown). It is a front view for demonstrating the structure of the connector used for the dishwasher which concerns on this invention (The state which closed the water supply hose end fixed cover part is shown). It is a rear view for demonstrating the structure of the connection tool used for the dishwasher which concerns on this invention. (A) is a front view for demonstrating schematic structure of the conventional tableware washing machine, (b) is the perspective view seen from the back side. It is a front view for demonstrating the schematic structure of another conventional tableware washing machine.

60 Dishwasher 61 Equipment housing 62 Cleaning room 63 Equipment housing side wall (equipment side mounting member)
64 Water supply hose (secondary side)
64a Water supply hose 64b Protective hose 64c Protective hose end 64d Annular groove 65 Water supply valve 67 Internal water supply hose 68 Drain hose 1 Connector 1a Equipment mounting surface 10 Water supply hose end fixing part 10b Semi-annular ridge part 10c Locking piece 10d Opening stop member 10e Engagement hole 10f Overflow opening 11 Water supply hose end fixing cover part 11b Semi-annular protrusion 11c Abutting part 11d Engaged protrusion 11e Engaged protrusion 11f Contact plate 12 Resin hinge 13 Overflow induction Road 13a, 13b Vertical wall 13c Horizontal wall 13d Slanted wall 13e Draining part 30 Hose joint storage part 34 Storage groove 35 Internal water supply hose rotation restricting part 40 Hose joint 41 Hose joint mounting plate 52 Drain hose restraining frame

Claims (9)

A device housing, a cleaning chamber provided inside the device housing, a water supply hose that receives water from a water supply valve provided outside the device housing in the cleaning chamber, and an interior of the device housing An internal water supply hose that is connected to the water supply hose and supplies water toward the cleaning chamber, a drainage hose that drains water from the cleaning chamber, and a device-side mounting member of the device housing, the water supply hose And a connector for connecting the internal water supply hose, and a dishwasher comprising:
The connector can store a water supply hose end fixing portion, a water supply hose end fixing cover portion attached to the water supply hose end fixing portion so as to be openable and closable, and a hose joint for connecting the water supply hose and the internal water supply hose. A hose joint storage part
An end portion of the water supply hose is held in a water supply hose holding space formed between the water supply hose end fixed portion and the water supply hose end fixed cover portion, and is locked in the water supply hose end fixed cover portion. When the protruding piece is elastically engaged with a locking piece provided on the water supply hose end fixing portion, the connection hose is fixed in a state where the water supply hose end fixing cover portion is closed to the water supply hose end fixing portion. When attached to the device side mounting member, the water supply hose end fixing cover portion is pressed by the device side mounting member, and the water supply hose end portion is the water supply hose end fixing portion and the water supply hose end fixing cover portion. A dishwasher characterized in that it is held in close contact with the dishwasher.   Semi-annular ridges are formed in multiple stages on each inner peripheral surface of the water supply hose end fixing portion and the water supply hose end fixing cover portion, and the semi-annular ridge portions are formed on the outer peripheral surface of the water supply hose end portion. The dishwasher according to claim 1, wherein the dishwasher is configured to engage and press the plurality of annular grooves formed in a plurality of stages.   An overflow opening is formed at an upper position adjacent to the semicircular ridge formed on the inner peripheral surface of the water supply hose end fixing portion, and the overflow opening is formed on the outer peripheral surface of the water supply hose end fixing portion. A vertical wall is erected at the left and right positions sandwiching the horizontal wall, and a horizontal wall is erected below the overflow opening so as to connect the left and right vertical walls. The dishwasher according to claim 2, wherein the wall is erected.   4. The dishwasher according to claim 3, wherein a draining portion formed by cutting out a part of the lower end is provided on one wall surface of the vertical wall to which the slant wall is inclined downward.   The dishwasher according to claim 3, wherein one of the left and right vertical walls erected across the overflow opening is configured as a part of a frame that supports the drainage hose.   The dishwasher as described in any one of Claims 1-5 with which the said water supply hose end fixed cover part is hinge-coupled by the resin hinge integrally formed in the said water supply hose end fixed part.   A hose joint storage part is provided above the water supply hose end fixing part, a storage groove is formed at a position close to the water supply hose end fixing part of the water supply hose end fixing part, and the water supply hose end fixing cover part A contact plate is erected at a position facing the storage groove on the upper side, a hose joint mounting plate holding a hose joint is inserted into the storage groove, and the water supply hose end fixing cover portion is fixed to the water supply hose end The dishwasher as described in any one of Claims 1-6 comprised so that the said contact plate may press the said hose joint attachment plate when closed by the part.   An internal water supply hose rotation restricting portion extends horizontally in the upper end portion of the hose joint housing portion, and the internal water supply hose rotation restricting portion is rotatably attached to the hose joint mounting plate and connected to the internal water supply hose. The dishwasher according to claim 7, wherein the curved pipe part is regulated not to rotate in the abutting direction when the curved pipe part comes into contact with the curved pipe part.   An opening preventing member having an engagement hole is disposed adjacent to the resin hinge, and an engagement protrusion is provided on the water supply hose end fixing cover portion, and the water supply hose end fixed cover portion or the water supply hose is provided. The dishwasher according to claim 6, wherein when the end fixing portion is closed, the engaged piece is engaged with the engagement hole, and the closed state of the water supply hose end fixing cover portion is maintained.

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