JP2007312953A - Drum washer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drum washer having a water supply port in the top face of a main body, preventing water leakage from a joint of an outlet port of a water supply valve and an inlet port of a water supply means provided with a detergent case inside and not enlarging the size of the main body. <P>SOLUTION: The water supply port 8 connected with a water supply hose 8a from the outside, the water supply valve 30 for controlling water flow fed from the supply port 8 and the water supply means 34 inside having the detergent case forward drawably and provided in the front of the valve 30 are provided at the upper part of the rear side of the main body 1. The outlet port 31 of the valve 30 is provided with an outlet seal member 32. The inlet port 35 of the supply means 34 is provided with a water supply seal member 36. A joint member 33 joining two cylindrical parts 33b and 33c that have different diameters is disposed between the members 32 and 36, thereby providing the joint of the valve 30 and the supply means 34 with no water leakage even if an external force is applied to the supply port 8. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention provides a drum that continuously performs processes such as washing, rinsing, and dewatering in a rotating drum that is rotatably supported in the outer tub in a direction in which the rotation axis direction is inclined in the horizontal direction or in a direction inclined downward from the horizontal direction. This relates to a type washing machine.

  A conventional drum type washing machine of this type will be described with reference to the longitudinal sectional view of FIG.

  In FIG. 3, an outer tub 3 supported by a suspension structure 2 and a rotating drum 4 rotatably supported by the outer tub 3 are disposed in a main body 1 of the drum type washing machine. The rotating drum 4 is rotationally driven by a drive motor 5 fixed to the outer bottom portion of the outer tub 3.

  By opening the door body 6 that can be opened and closed on the front side of the main body 1, the laundry is taken in and out of the rotary drum 4 through the front side opening 1 a of the outer tub 3 and the front side opening 4 a of the rotary drum 4. Be able to.

  A water supply valve (water supply control means) 7 including a water supply valve is disposed in the upper space in the main body 1, and a water supply port is provided on the upper rear surface of the main body 1 as an inlet for water to the water supply valve 7. 8 is provided, and a water supply hose 8a leading to a water tap for supplying tap water is connected to the water supply port 8.

  In front of the water supply valve 7, a water supply means 9 is provided as a detergent charging means for pulling out the detergent case 21, and a rubber packing 20, which is a water seal member, is provided on the rear rear surface of the water supply means 9. The water supply valve 7 is arranged in a substantially straight line and directly connected thereto (for example, see Patent Document 1).

  The water supplied from the water supply valve 7 to the water supply means 9 is supplied into the outer tank 3 through a water injection pipe 10 connected to the bottom of the water supply means 9 from a water injection port 11 provided in front of the outer tank 3. The water stored in the outer tub 3 flows into the rotating drum 4 through a number of water passage holes 4 e formed in the rotating drum 4.

  Further, a drain port 12 is provided at the rear of the bottom of the drum 4. When the drain valve 13 connected to the drain port 12 is opened, the water in the outer tub 3 is discharged outside the machine through the drain pipe 14. .

  The above configuration is a general configuration of a drum-type washing machine, and when the water supply port 8 is arranged on the back of the main body 1 and the water supply port 8, the water supply valve 7, and the water supply means 9 are arranged substantially in a straight line, Even if an external force is applied to the water supply port 8 or the water supply hose 8a, there is no problem in the sealing performance of the connection portion between the water supply valve 7 and the water supply means 9.

  However, in recent years, it has been required to install a drum-type washing machine close to the wall surface of the room and reduce the size of the protruding forward. In this case, it is difficult to arrange the water supply port on the back surface of the product, and the water supply port is often arranged on the upper surface of the product.

  However, when the water supply port is arranged on the upper surface of the product, the water supply hose or the water supply port and the water supply means are arranged in a substantially right angle direction, and when external force is applied to the water supply port part, the connection part of the water supply valve and the water supply means Since stress in the bending direction is applied to the case, the connection through the rubber packing of the water sealing member is not sufficient for water leakage, and in the worst case, water leakage may occur.

When the water supply port is arranged on the upper surface of the product as described above, a rubber hose etc. is inserted in each connection to connect the water supply valve and the water supply means, and a hose band etc. is attached to prevent water leakage I have done it.
JP 2005-152670 A

  However, in the structure of the conventional drum-type washing machine in which the water supply port is arranged on the upper surface of the product, the rear surface of the water supply means is connected to the connection between the water supply valve and the water supply means only through a rubber packing as a water seal member. Direct connection to the system does not provide a complete countermeasure against water leakage.

  In addition, when using a rubber hose or the like and sealing both ends with a hose band, there is a problem that an extra space is required for each mounting operation and the entire product becomes large. It was.

  SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described conventional problems, and to provide a drum-type washing machine excellent in safety without causing a water leak without enlarging the entire product.

  In order to solve the above-described conventional problems, the drum type washing machine of the present invention includes water supply means for supplying water supplied from the water supply control means into the outer tub through the detergent case, and the water of the water supply control means is provided. An outflow seal member is provided at the outlet, and a water supply seal member is provided at the water inlet of the water supply means, and two cylindrical portions having different diameters are connected between the outflow seal member and the water supply seal member. A connecting member configured as described above is arranged.

  Thereby, even if an external force is applied to the water supply port, the water seal member of the water supply valve means and the water supply means has a double structure, and there is no risk of water leakage. Moreover, since the hose band etc. are not used, the whole product can be comprised compactly by making the magnitude | size of a connection member as small as possible.

  The drum type washing machine of the present invention can also eliminate the risk of water leakage without increasing the size of the product even when the water supply port is arranged on the upper surface of the product.

  A first invention includes a rotating drum having a rotating shaft in a substantially horizontal direction or an inclined direction, an outer tub containing the rotating drum, a main body for storing the outer tub, a drive motor for rotating the rotating drum, A water supply port provided at the rear upper part of the main body to which an external water supply hose is connected, a water supply control means for controlling the flow of water provided in the main body and supplied from the water supply port, and a front side of the water supply control means And a water supply means for supplying water supplied from the water supply control means into the outer tub through the detergent case. An outflow seal member is provided at the water outlet of the water supply, and a water supply seal member is provided at the water inlet of the water supply means, and two different diameters are provided between the outflow seal member and the water supply seal member. Since the sealing member has a double structure due to the arrangement of the connecting member formed by connecting the cylindrical portions, the water supply port is arranged on the upper surface of the product, and even if an external force is applied to the water supply port, the water supply valve means and the water supply There is no water leakage from the sealing member of the means, and since it is not necessary to attach a hose band or the like later, it is possible to constitute a compact product that does not require a space for the attaching operation. In addition, since the two cylindrical portions having different diameters of the connecting members have a stepped shape, the connecting member is positioned in the assembling work and has a stable configuration.

  In a second aspect based on the first aspect, the outflow seal member is disposed between the outer peripheral surface of the water outlet of the water supply control means and the inner peripheral surface of the cylindrical portion having the larger diameter of the connecting member. In addition, the water supply seal member is arranged in a watertight manner between the outer peripheral surface of the cylindrical portion having the smaller diameter of the connecting member and the inner peripheral surface of the water inlet of the water supply means, thereby A watertight connection that absorbs variations is possible.

  According to a third invention, in the first or second invention, the outflow seal member has a cylindrical shape with a flange, and the water supply seal member and the common member enhance productivity.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view of a drum type washing machine according to a first embodiment of the present invention, and FIG. 2 is a sectional view of an essential part of the drum type washing machine. In addition, the same code | symbol is attached | subjected about the same part as a prior art example, and the description is abbreviate | omitted.

  In FIG. 1, an outer tub 3 is supported in a main body 1 of a drum type washing machine so as to be inclined obliquely rearward and downward from a horizontal direction, and a rotating drum 4 formed in a bottomed cylindrical shape in the outer tub 3. The rotary drum 4 is rotationally driven by a drive motor 5 attached to the back surface of the outer tub 3 and its rotational speed and direction can be changed. On the front side of the main body 1, an openable / closable door body 6 is provided.

  A water supply port 8 connected to a water supply hose 8 a is provided on the upper surface of the main body 1, and the water supply port 8 is formed integrally with a water supply valve (water supply control means) 30. One end of the water supply valve 30 is connected to the water supply means 34, and the supplied water flows into the outer tub 3 from the water injection pipe 32 through an internal detergent case (not shown).

  In FIG. 2, the water supply port 8 configured in the vertical direction is formed integrally with a water supply valve 30 whose lower end is supplied and stopped with an electromagnetic water supply valve or the like, and the water outlet of the water supply valve 30 flows out. 31 is formed in a cylindrical shape in a direction substantially perpendicular to the water supply port 8.

  A cylindrical outflow seal member 32 provided with a flange 32a is attached to the outer peripheral surface of the outflow port 31, and the outer peripheral surface of the outflow seal member 32 is a step having two cylindrical portions 33b and 33c having different diameters. The connecting member 33 formed in the shape of a pipe is inserted in a watertight manner in close contact with the inner peripheral surface of the larger cylindrical portion 33c.

  The cylindrical portion 33b having the smaller diameter of the connection member 33 is provided with a cylindrical water supply seal member 36 on the outer peripheral surface thereof, and is integrally formed with the water supply means 34 and is disposed substantially coaxially with the outlet 31. The cylindrical inflow port 35 is tightly inserted in a watertight manner on the inner peripheral surface.

  The water that flows into the water supply means 34 from the inflow port 35 is supplied to the detergent case (not shown) or the like from the discharge port 34a.

  The outflow sealing member 32 and the water supply sealing member 36 are formed of an elastic body such as rubber, and are respectively tightly sealed with an outer peripheral surface of the outlet 31 and an outer peripheral surface of the cylindrical portion 33b having a smaller diameter of the connecting member 33 with tight force. It is installed.

  The connecting member 33 may be formed of a resin molded member, but is made of a rubber material having a higher hardness than a relatively flexible material such as rubber constituting the outflow seal member 32 and the water supply seal member 36. May be.

  Further, like the outflow seal member 32, the water supply seal member 36 is provided with a flange, and the flange portion 36a is formed at the connection portion between the cylindrical portion 33b having the smaller diameter and the cylindrical portion 33c having the larger diameter. Positioning at the time of assembly can be achieved by contacting the portion 33a, and the water tightness can be improved by the flange portion 36a.

  Further, the flange portion 32a of the outflow seal member 32 can be positioned at the time of assembly when the end of the large-diameter portion of the connection member 33 comes into contact with the flange portion 36a, and further the water tightness is improved by the flange portion 36a. Can do.

  Since the outflow seal member 32 and the water supply seal member 36 are similar in flanged shape, action, material, and the like, they can be shared as common members.

  The water supply valve 30 formed integrally with the water supply port 8 is integrally provided with a mounting flange 30a having a through hole 30b so as to be substantially parallel to the rear surface 34a of the water supply means 34. A boss portion 38 having a mounting hole (not shown) integrally formed so as to protrude rearward is provided on the rear surface 34a of the water supply means 34. And in the state which connected between the outflow port 31 and the inflow port 35 with the connection member 33 via the outflow seal member 32 and the water supply seal member 36, it is attached to the attachment hole of the boss | hub part 38 through the through-hole 30b of the flange 30a. By fixing with the screw 37 from the rear, the longitudinal direction of the outlet 31, the outlet seal member 32, the connecting member 33, the water supply seal member 36, and the inlet 35 and the fixing direction of the screw are made the same. The fixing strength and water tightness of the water supply valve 30 can be ensured, and the mounting strength of the water supply valve 30 can be increased.

  About the drum type washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  In the first embodiment, even if the water supply port 8 is provided on the upper surface of the main body 1, the water supply valve 30 and the water supply means 34 are connected by a connection member that is double-sealed with the outflow seal member 32 and the water supply seal member 36. It becomes the composition which is. Therefore, even if an external force in the vertical or horizontal direction is applied to the water supply port 8, the high stress is relieved and no force is applied to the seal portion, so there is no risk of water leakage. Moreover, since a general hose band is not used, it is not necessary to secure the mounting space, and the product body does not become large.

  In addition, even if the axial center between the outlet 31 and the inlet 35 of the water supply means 34 is slightly displaced due to variations in members or assembly, a double-structured seal is used regardless of adjacent piping. The structure can alleviate and absorb “deviation”. In addition, since the connecting member 33 includes two cylindrical portions having different diameters to form the stepped portion 33a, the connecting member 33 is positioned in the assembly work and has a stable configuration.

  Further, if the outflow seal member 32 and the water supply seal member 36 having similar functions are shared, productivity is improved.

  In the first embodiment, the configuration in which the rotating drum 4 is disposed at an inclination is shown, but the same effect can be obtained even when the rotating drum 4 is disposed in the horizontal direction.

  As described above, the drum type washing machine according to the present invention has a water supply port on the upper surface of the product body, and even if an external force is applied to the water supply port, no force is applied to the connection portion of the water path, so there is a risk of water leakage. There is no. In addition, since no hose band for sealing is used, there is no need for a mounting space, and there is no need to increase the size of the product. Applicable.

The longitudinal cross-sectional view of the drum type washing machine in Embodiment 1 of this invention Cross-sectional view of the main part of the water supply means of the washing machine Vertical section of a conventional drum-type washing machine

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 3 Outer tank 4 Rotating drum 5 Drive motor 8 Water supply port 8a Water supply hose 21 Detergent case 30 Water supply valve (water supply control means)
31 Outlet 32 Outflow Seal Member 33 Connection Member 33b Cylindrical Part 33c Cylindrical Part 34 Water Supply Means 35 Inlet 36 Water Supply Seal Member

Claims (3)

A rotating drum having a rotating shaft in a substantially horizontal direction or an inclined direction, an outer tub containing the rotating drum, a main body for storing the outer tub, a drive motor for rotating the rotating drum, and a rear upper portion of the main body A water supply port provided to which an external water supply hose is connected, a water supply control means for controlling the flow of water provided in the main body and supplied from the water supply port, and a detergent provided in front of the water supply control means And a water supply means for supplying water supplied from the water supply control means into the outer tub through the detergent case, and is provided at a water outlet of the water supply control means. Is provided with an outflow seal member, a water supply seal member is provided at the water inlet of the water supply means, and two cylindrical portions having different diameters are connected between the outflow seal member and the water supply seal member. Drum type washing machine which is arranged to configure the connecting member. The outflow seal member is disposed between the outer peripheral surface of the water outlet of the water supply control means and the inner peripheral surface of the cylindrical portion having the larger diameter of the connection member, and the water supply seal member has the diameter of the connection member. The drum-type washing machine according to claim 1, wherein the drum-type washing machine is watertightly arranged between the outer peripheral surface of the smaller cylindrical portion and the inner peripheral surface of the water inlet of the water supply means. The drum-type washing machine according to claim 1 or 2, wherein the outflow seal member has a cylindrical shape with a flange and is a common member with the water supply seal member.

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