JP4253012B2 - Connector - Google Patents

Description

  The present invention relates to a connector that is used in a device such as a dishwasher and connects a water supply hose to an internal water supply hose in the device.

  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 is damaged by use of water, water leakage may occur 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. Moreover, it can be attached also to the conventional tableware washing machine shown in Patent Document 1, and the actual situation is that it has not yet been developed for a connector that prevents water leakage.

  The present invention is configured to be compactly storable in a device such as a dishwasher, and when incorporated in the device main body, the end of the water supply hose is securely connected to the connector, and water from the connection portion to the outside is reliably connected. An object of the present invention is to provide a connector that can prevent leakage. It is another object of the present invention to provide a connection device that can be replaced with a connection device used in a conventional device and can prevent water leakage to the outside.

  The connector according to claim 1 of the present invention is formed between the water supply hose end fixing portion and the water supply hose end fixing cover portion by closing the water supply hose end fixing cover portion to the water supply hose end fixing portion. A connection tool in which the end of the water supply hose is clamped in the water supply hose holding space, the end of the water supply hose is held in the water supply hose holding space, and the locked projecting piece provided in the water supply hose end fixing cover is the water supply hose The connector is attached to the device-side mounting member in a state where the water supply hose end fixing cover portion is closed to the water supply hose end fixing portion by being elastically engaged with a locking piece provided in the end fixing portion. When the water supply hose end fixing cover portion is pressed by the device-side mounting member, the water supply hose end portion is tightly sandwiched between the water supply hose end fixing portion and the water supply hose end fixing cover portion. is there.

  According to the connector 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, and the water supply hose end fixing cover is provided. Once the connector is assembled in the equipment body with the part closed to the water supply hose end fixing part, the water supply hose end fixing cover part comes into contact with the equipment side mounting member and is pressed to the water supply hose end fixing part side. Since the closed state is maintained and the end portion of the water supply hose is held in a pressed state, water leakage from the connection portion to the outside can be reliably prevented.

  Further, the connector according to the present invention is compactly configured with 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 the water hose end fixing cover portion to the device side mounting member. It is possible to replace the connecting tool used in a conventional device and attach it.

  The connector according to claim 2 of the present invention is the connector according to claim 1, wherein the semicircular ridges are provided in a plurality of stages 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 protrusion is formed and is configured to engage and press a plurality of annular grooves formed on the outer peripheral surface of the water supply hose end.

  According to the connector according to claim 2, the semicircular ridges of the water supply hose end fixing part and the water supply hose end fixing cover part engage with the annular groove at the end of the water supply hose, so that a plurality of The semi-annular ridge and the annular groove can be brought into close contact with each other at the step position for sealing, and it is possible to prevent water from leaking downward from the connecting portion.

  According to a third aspect of the present invention, there is provided the connecting device according to the first or 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 connector according to claim 3, if a water leak occurs in the connection portion with the water supply hose, the leaked water is formed on the inner peripheral surface of the water supply hose end fixing portion and the water supply hose end fixing cover portion. However, by providing the overflow opening, it is possible to quickly flow out of the overflow opening to the outside. 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.

  The connecting device according to claim 4 of the present invention is the connecting device according to claim 3, wherein a part of the lower end is notched and formed on one wall surface of the vertical wall to which the inclined wall is inclined downward. A drainer is provided.

  According to the connector 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 is provided at the drainage portion provided at the lower end thereof. It can be dripped, and it is possible to reliably prevent the occurrence of problems caused by inadvertently wetting the electrical components.

  The connection tool according to claim 5 of the present invention is the connection tool according to claim 3, wherein one of the left and right vertical walls erected across the overflow opening is a part of the frame that supports the drainage hose. It is configured.

  According to the connector according to claim 5, by using a part of the frame body holding the drainage hose also with this vertical wall, the connector can be configured in a compact manner and the used material (weight) can be reduced. it can.

  The connector according to claim 6 of the present invention is the connector according to any one of claims 1 to 5, wherein the water supply hose end fixing cover portion is hinged by a resin hinge integrally formed with the water supply hose end fixing portion. It is what is combined.

  According to the connection tool of the sixth aspect, the water supply hose end fixing cover portion is easily elastically coupled to the water supply hose end fixing portion by the integrally constructed resin hinge, and other members are prepared for the coupling. There is no need, and the connector can be made compact. Further, when the connector is injection-molded using a resin mold, the resin hinge can be formed simultaneously with the same mold.

  The connecting device according to claim 7 of the present invention is the connecting device according to any one of claims 1 to 6, wherein a hose joint storage portion is provided above the water supply hose end fixing portion. A storage groove is formed at a position close to the water supply hose end fixing portion of the water supply hose, and a contact plate is erected at a position facing the storage groove at the top of the water supply hose end fixing cover portion. When the hose joint mounting plate holding is inserted and the water supply hose end fixing cover portion is closed by the water supply hose end fixing portion, the contact plate is configured to press the hose joint mounting plate. .

  According to the connector according to the seventh aspect of the present invention, the storage groove and the contact plate that opposes and presses the hose joint mounting plate stored in the hose joint storage portion via the storage groove are provided. 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.

  The connection tool according to claim 8 of the present invention is the connection tool according to claim 7, 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 rotation restriction is provided. The portion is rotatably attached to the hose joint mounting plate, abuts against a curved pipe portion connected to the internal water supply hose, and is regulated so as not to rotate outward from the contact position.

  According to the connector according to the eighth aspect of the present invention, the rotation range of the internal water supply hose (curved pipe portion) is reliably restricted by the compact configuration of the internal water supply hose rotation restriction portion provided above the hose joint housing portion. Can do.

  The connection tool according to claim 9 of the present invention is the connection tool according to any one of claims 6 to 8, wherein an opening stopper member having an engagement hole is disposed adjacent to the resin hinge, When the water supply hose end fixed cover part is provided with the engaged protrusion, and when the water supply hose end fixed cover part or the water supply hose end fixed part is closed, the engaged piece is engaged with the engagement hole, and the water supply hose The closed state of the end fixing cover part is maintained.

  According to the connector according to the ninth aspect, the water supply hose end fixing cover portion is reliably restrained on the resin hinge side by the water supply hose end fixing portion, so that the water supply hose end fixing portion and the water supply hose end fixing cover portion are more reliably connected. The water supply hose can be fixed and held in the space formed between the two. 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 connection tool of the present invention, it is configured to be compactly storable in a device such as a dishwasher, and when incorporated in the device main body, the end of the water supply hose is securely connected to the connection tool. Water leakage from the outside to the outside can be prevented. Moreover, it can replace and attach with the connection tool used for the conventional apparatus, and can prevent the water leak to the outside similarly.

  BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the best mode for carrying out the connector according to the present invention will be described in detail with reference to FIGS. FIG. 1 is a front view for explaining one application example in which a connector according to the present invention is attached to a dishwasher. 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 according to the present invention, and FIG. 3 shows a state in which the water supply hose end fixing cover portion is opened. It is a perspective view shown. FIG. 4 is an enlarged side view of a part of FIG. FIG. 5 is a front view showing a state where the water supply hose end fixing cover portion is closed in order to explain the structure of the connector according to the present invention, and FIG. 6 is a state where the water supply hose end fixing cover portion is opened. FIG. 7 is a rear view thereof. 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.

  For example, as shown in FIG. 1, the connector 1 according to the present invention is attached to a side wall (device-side mounting member 63) of a device housing 61 of a dishwasher 60 and connected to a cleaning chamber 62 to wash water. In this embodiment, a water supply valve 65 is provided on the upstream side of the water supply hose 64 to be connected to the internal water supply hose 67 for supplying the water. The water supply hose 64 (secondary side) and the internal water supply hose 67 are connected downstream of the water supply valve 65. 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. An upper and lower two-stage semi-annular protrusion 11b that engages with the provided upper and lower two-stage annular grooves 64d is 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 fixed and 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 portion 10 and the hose joint storage portion 30, a drain hose holding frame body 50 and a drain hose support frame body 51 are erected in a circular arc shape with an interval capable of holding the drain hose 68. The drainage hose 68 is housed in a space formed between the drainage hose holding frame 50 and the drainage hose support frame 51, and the protruding piece 50a is erected on the edge of the drainage hose holding frame 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. Supports not to leave the space.

  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 one application example which attached the connection tool which concerns on this invention to the dishwasher. It is a perspective view for demonstrating the outline | summary of the connector which concerns on this invention (The state which open | released the water supply hose end fixing cover part is shown). It is a perspective view for demonstrating the outline | summary of the connector 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 which concerns on this invention. It is a front view for demonstrating the structure of the connection tool which concerns on this invention (The state which open | released the water supply hose end fixing cover part is shown). It is a front view for demonstrating the structure of the connection tool which concerns on this invention (The state which closed the water supply hose end fixing cover part) is shown. It is a rear view for demonstrating the structure of the connection tool which concerns on this invention. BRIEF DESCRIPTION OF THE DRAWINGS (a) is a front view for demonstrating the example which attached the conventional connector to the dishwasher, (b) is the perspective view seen from the back side. It is a front view for demonstrating the example which attached another conventional connection tool to the dishwasher.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector 1a Apparatus attachment surface 10 Water supply hose end fixing | fixed part 10b Semi-annular protrusion 10c Locking piece 10d Release stopper 10e Engagement hole 10f Overflow opening 11 Water supply hose end fixing cover part 11b Semi-annular protrusion 11c Contact part 11d Locked protrusion 11e Engagement protrusion 11f Contact plate 12 Resin hinge 13 Overflow guide path 13a, 13b Vertical wall 13c Horizontal wall 13d Slope wall 13e Draining part 30 Hose joint storage part 34 Storage groove 35 Internal water supply Hose rotation restricting portion 40 Hose joint 41 Hose joint mounting plate 52 Drainage hose restraining frame 60 Dishwasher 61 Equipment housing 62 Cleaning chamber 63 Housing side wall (equipment side attachment member)
64 Water supply hose (secondary side)
64a Water supply hose 64b Protection hose 64c Protection hose end 64d Annular groove 65 Water supply valve 67 Internal water supply hose 68 Drain hose

Claims (9)

When the water supply hose end fixing cover is closed to the water supply hose end fixing part, the water supply hose end is sandwiched in the water supply hose holding space formed between the water supply hose end fixed part and the water supply hose end fixed cover part. A connecting tool,
The water supply hose end is held in the water supply hose holding space, and 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. Thus, when the connector is attached to the device-side mounting member in a state where the water supply hose end fixing cover portion is closed to the water supply hose end fixing portion, the water supply hose end fixing cover portion is The connection tool, wherein the connection member is pressed by an attachment member so that the end portion of the water supply hose is tightly held between the water supply hose end fixing portion and the water supply hose end fixing cover portion.   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 connection tool according to claim 1, wherein the connection tool is configured to engage and press the plurality of annular recess grooves formed.   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, a horizontal wall is erected in a form connecting the left and right vertical walls below the overflow opening, and further, a slant that inclines downward as the distance from the overflow opening decreases below the horizontal wall. The connector according to claim 1, wherein the wall is erected.   The connection tool 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 inclined wall is inclined and attached.   The connection tool according to claim 3, wherein one of the left and right vertical walls erected with the overflow opening interposed therebetween is configured as a part of a frame that supports the drainage hose.   The connection tool according to any one of claims 1 to 5, wherein the water supply hose end fixing cover portion is hinged by a resin hinge integrally formed with the water supply hose end fixing portion.   A hose joint storage part is provided above the water supply hose end fixing part, a storage groove is formed in the hose joint storage part near 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 connector according to any one of claims 1 to 6, wherein the contact plate is configured to press the hose joint mounting plate when closed by a portion.   An internal water supply hose rotation restricting portion extends horizontally at the upper end 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 connecting tool according to claim 7, wherein the connecting tool is configured to abut against the curved pipe portion and to be prevented from rotating outward from the abutting position.   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 closed piece of the water supply hose end fixing cover part is maintained as claimed in any one of claims 6 to 8, wherein the engaged piece is engaged with the engagement hole when the end fixing part is closed. The connector as described.

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