JP5115533B2 - dishwasher - Google Patents

Description

  The present invention relates to a dishwasher that supplies tap water into a washing tank by a water supply valve or a water supply pipe to wash dishes stored in the washing tank.

  As shown in FIGS. 4 and 5, the conventional built-in type dishwasher used by being incorporated in a sink or the like is disposed outside the dishwasher main body 31 and controls the water supply to the washing tub 32. One end of 33 is connected to the water supply pipe 35 at the primary side connecting portion 34, and the other end is connected to the water supply pipe 36 and communicated with the cleaning tank 32.

  A high water pressure is applied to the primary side connecting portion 34 upstream of the electromagnetic water supply valve 33, but the flow rate control valve (not shown) incorporated in the electromagnetic water supply valve 33 is adjusted to a low water pressure in the downstream water supply pipe 36. Has been. The water supply pipe 36 has a double structure, and has a configuration in which the outer side of the inner water supply pipe 36a having the inherent pressure resistance is covered with the outer water supply pipe 36b.

  In addition, the electromagnetic water supply valve 33 is provided with a lead wire 37 that transmits a signal to the electromagnetic water supply valve 33 and a process that covers the entire circumference of the electromagnetic water supply valve 33 with a resin material. 36a and the outer water supply pipe 36b which covered the outer periphery of the lead wire 37 simultaneously.

  The other end of the outer water supply pipe 36b is connected to the back surface of the dishwasher main body 31, and when the inner water supply pipe 36a or the electromagnetic water supply valve 33 is damaged and water leaks from the damaged portion, the outer water supply water is supplied. By accumulating water in the pipe 36b, it becomes possible to collect water in the dishwasher main body 31, and it is configured to be detected by the overflow detection means 38 provided on the bottom of the dishwasher main body 31 (for example, , See Patent Document 1).

JP 2008-093086 A

  However, in the configuration of the conventional dishwasher disclosed in Patent Document 1, the lead wire 37 that transmits a signal to the electromagnetic water supply valve 33 and the entire periphery of the electromagnetic water supply valve 33 are integrally covered with a resin material. Therefore, if processing takes time, and there is a processing defect, it is covered with resin so that the contents cannot be confirmed, and the electromagnetic water supply valve 33 is discarded. It had the problem of becoming disadvantageous in terms of resources.

  The present invention solves the above-mentioned conventional problems, while improving the workability of the water supply means while maintaining the function of detecting water leakage from the connection portion of the electromagnetic water supply valve, and in the event of a processing failure However, the object is to provide a resource-efficient dishwasher that can be easily replaced.

In order to achieve the above-mentioned object, the present invention provides a washing tub for storing and washing dishes, a dishwasher main body having the washing tub inside, a water pipe outside the dishwasher main body, and a water supply pipe for the dishwasher main body. and a water supply means for supply the water to the cleaning tank with connecting the door, the water supply means, and a resin member covering the solenoid supply valve to supply the water by opening and closing of the valve the solenoid water valve watertight, the resin The member is formed by dividing it on a plane substantially perpendicular to the connecting direction of the water pipe and the water supply pipe.
As the lead wire that transmits the signal to the electromagnetic water supply valve and the entire circumference of the electromagnetic water supply valve are processed to be covered with a resin material, it takes a long time to process. In such a case, since it is covered with a resin material integrally, the contents cannot be confirmed, and the electromagnetic water supply valve is discarded, which can solve the problem of resource disadvantage. .

  In the dishwasher of the present invention, since the lead wire for transmitting a signal to the electromagnetic water supply valve and the electromagnetic water supply valve are entirely covered with a resin material, processing takes time, If there is a defect, the resin is integrally covered with resin, so the contents cannot be confirmed, and the electromagnetic water supply valve will be discarded, resulting in resource disadvantages. it can.

Sectional drawing which showed the state in which the dishwasher in the 1st Embodiment of this invention was connected to water supply piping Sectional view showing the main parts of the dishwasher Sectional drawing which showed the principal part of the dishwasher in the 2nd Embodiment of this invention Sectional view showing a state in which a conventional dishwasher is connected to a water supply pipe Sectional drawing which showed the principal part of the conventional dishwasher

The first invention connects a washing tub for storing and washing dishes, a dishwasher main body having the washing tub inside, a water pipe outside the dishwasher main body, and a water supply pipe for the dishwasher main body. Water supply means for supplying water to the cleaning tank, the water supply means including an electromagnetic water supply valve for supplying water by opening and closing a valve, and a resin member for watertightly covering the electromagnetic water supply valve , wherein the resin member is the water supply It is formed by dividing a surface substantially perpendicular to the connecting direction of the pipe and the water supply pipe, and improves the workability of the water supply means while maintaining the function of detecting water leakage from the connection part of the electromagnetic water supply valve. In addition, it is possible to provide a resource-friendly dishwasher that can be easily replaced even if a processing defect occurs.

In addition , the resin member is formed by being divided by a plane substantially perpendicular to the connecting direction of the water pipe and the water supply pipe, and the resin member divided part and the connection part with the water supply pipe and the like can be easily configured. Therefore, the water tightness of the connection part can be stabilized.

According to a second invention, in the first invention, the resin member is configured to be separable into at least two members in a state where the water supply means is connected to both the water pipe and the water supply pipe. While maintaining the function of detecting water leakage from the connection part, the workability of the water supply means is improved, and even if a processing failure occurs, it can be easily replaced, and the resin member can be easily separated Water leakage accumulated in the interior and the water supply pipe can be recovered from between the members, and the work efficiency at the time of repair can be improved.

According to a third invention, in the second invention, the water supply pipe has a double structure in which the outer side of the inner water supply pipe is covered with the outer water supply pipe, and one end of at least one member among the resin members configured to be separable is the outer water supply pipe. This is a watertight connection to the pipe. When the resin member is separated into multiple parts at the time of repair, no force acts on the inner water supply pipe and the connection between the inner water supply pipe and the electromagnetic water supply valve. It is possible to prevent the occurrence of a defect that becomes the basis of the above.

According to a fourth invention, in the third invention, the outer water supply pipe is configured to be stretchable in the longitudinal direction, and when the resin member is separated into a plurality of members at the time of repair, the movement distance of the member accompanying the separation is set on the outer side. Absorbing with a stretchable structure of the water supply pipe makes it possible to smoothly and reliably perform separation work and water leakage recovery work, and there is an unreasonable force at the connection between the inner water supply pipe and the inner water supply pipe and the electromagnetic water supply valve. It does not act, and it is possible to prevent the occurrence of a defect that causes new water leakage due to repair work.

According to a fifth invention, in any one of the first to fourth inventions, there is provided a connection terminal for connecting the electrical terminal of the electromagnetic water supply valve and the lead wire connected to the control unit of the dishwasher, It is provided so as to contact the inner wall of the resin member. With this configuration, when the construction contractor accidentally pulls the water supply pipe during construction, the lead wire and the connection terminal are pulled, and a force is applied to the electrical terminal of the electromagnetic water supply valve, but the connection terminal is Since it is in contact with the resin member on the hose side, the connection terminal does not move any further, the electric terminal of the electromagnetic water supply valve is not deformed, and the terminal thickness of the bent portion is reduced by the deformation of the electric terminal of the electromagnetic water supply valve. Increased resistance due to heat, and avoids heating, fire, etc., making it electrically safe.

  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 cross-sectional view showing a state in which the dishwasher according to the first embodiment of the present invention is connected to a water supply pipe, and FIG. 2 is a cross-sectional view showing a main part of the dishwasher.
1 and 2, the water supply means 3 that is disposed outside the dishwasher main body 1 housed in the sink and controls the water supply to the washing tub 2 has one end connected to the water supply pipe 5 at the primary side connecting portion 4. The other end is connected to the water supply pipe 6 and communicated with the cleaning tank 2.

  A high water pressure is applied to the water supply pipe 5 and the primary side connecting portion 4 upstream of the water supply means 3, but a low water pressure is provided to the downstream water supply pipe 6 by a flow control valve (not shown) incorporated in the water supply means 3. Has been adjusted. The water supply pipe 6 has a double structure, and the outer side of the inner water supply pipe 6a having the inherent pressure resistance is covered with the outer water supply pipe 6b. The outer water supply pipe 6b is thinner than the inner water supply pipe 6a and has a bellows shape, and is configured to be extendable in the longitudinal direction.

  The outer water supply pipe 6b is connected to the back of the dishwasher body 1 at the other end, and when the inner water supply pipe 6a or the water supply means 3 is damaged and water leaks from the damaged portion, the outer water supply pipe By accumulating water in 6b, it becomes possible to collect | recover water in the dishwasher main body 1, and it is comprised by the overflow detection means 7 provided in the dishwasher main body 1 bottom.

  The water supply means 3 includes an electromagnetic water supply valve 3a that supplies water into the cleaning tank 2 through the inner water supply pipe 6a of the water supply pipe 6 by opening and closing the valve, and a resin member 10 that covers the electromagnetic water supply valve 3a in a watertight manner, and the electromagnetic water supply valve 3a. Can be operated by receiving a control signal from the lead wire 8 connected to the control unit in the dishwasher main body 1 through the space between the inner water supply pipe 6a and the outer water supply pipe 6b.

  In addition, the electromagnetic water supply valve 3 a is covered with a resin member 10 in a watertight manner, and the resin member 10 includes a primary side resin member 11 and a hose side resin member 12, and a connection direction between the water supply pipe 5 and the water supply pipe 6. The primary side resin member 11 and the hose side resin member 12 are watertight by a seal member 14 such as an O-ring.

  The primary side resin member 11 has an O-ring 13 so as to collect water on the side of the electromagnetic water supply valve 3a in a state where the screw part 3b provided on the primary side connection portion 4 of the electromagnetic water supply valve 3a is exposed to the outside from the resin member 10. It is sealed by.

  The hose side resin member 12 is provided with an outer water supply pipe connection portion 12a made of a soft resin that is watertightly connected to the outer periphery of the end of the outer water supply pipe 6b on the side opposite to the side facing the seal member 14, and on the inner side thereof. The inner water supply pipe 6a and the lead wire 8 are passed.

  About the dishwasher comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. When water is supplied to the dishwasher, if water leaks due to damage to the inner water supply pipe 6a or the electromagnetic water supply valve 3a, the leaked water is stored in the resin member 10.

  In the resin member 10, the joint portion between the primary side resin member 11 and the hose side resin member 12 is sealed by the seal member 14, and the primary side connection portion 4 is connected by the O-ring 13 provided on the primary side resin member 11. Since the water is sealed, the accumulated water is led from the resin member 10 to the water supply pipe 6 via the outer water supply pipe connection portion 12a provided on the hose side resin member 12, and overflows. Further, the overflowed water is collected in the dishwasher main body 1 through the outer water supply pipe 6b, so that the abnormality detection can be performed by the overflow detection means 7 provided in the dishwasher main body 1.

  In addition, since the water supply means 3 is configured to simply cover the electromagnetic water supply valve 3a with the resin member 10, it is easy to process, and at the same time, a defect is found in the water supply means 3 by inspection during processing. Even if it is done, the cause of the defect can be easily identified, and it can be dealt with by replacing and correcting the minimum necessary parts.

  Further, since the resin member 10 is divided by a surface 12b substantially perpendicular to the connecting direction of the water supply pipe 5 and the water supply pipe 6, the sealing surface of the primary side resin member 11 and the hose side resin member 12, and the outside water supply The seal surface of the tube 6b and the hose side resin member 12 can be made simple, and since it is simple, it is easy to disassemble and assemble, and even if a defect occurs, repair is possible. Can be easily.

  Moreover, since the resin member 10 can be separated into the primary side resin member 11 and the hose side resin member 12 in a state where all of the dishwasher 1 to the water supply pipe 6 to the water supply means 3 to the water supply pipe 5 are connected, By separating both members, the water leakage accumulated in the resin member 10 and the outer water supply pipe 6b can be recovered from between the primary side resin member 11 and the hose side resin member 12, thereby improving the work efficiency at the time of repair. Can be improved.

  Further, the water supply pipe 6 has a double structure in which the outer side of the inner water supply pipe 6a is covered by the outer water supply pipe 6b, and one end of the outer water supply pipe connection portion 12a provided on the hose side resin member 12 is watertightly connected to the outer water supply pipe 6b. Since the hose side resin member 12 is separated from the primary side resin member 11 at the time of repair, no force acts on the inner water supply pipe 6a and the connection between the inner water supply pipe 6a and the electromagnetic water supply valve 3a. The work does not cause a defect that causes new water leakage.

  Further, since the outer water supply pipe 6b has a bellows shape and can be expanded and contracted in the longitudinal direction, when the hose side resin member 12 is separated from the primary side resin member 11 at the time of repair, the movement distance is set to the outer water supply pipe. Absorption at the bellows portion of 6b makes it possible to smoothly and reliably perform separation work and water leakage recovery work, and there is an unreasonable force at the inner water supply pipe 6a and the connection between the inner water supply pipe 6a and the electromagnetic water supply valve 3a. It does not act and does not cause a defect that causes new water leakage by repair work.

(Embodiment 2)
FIG. 3 is a cross-sectional view showing a main part of the dishwasher according to the second embodiment of the present invention. In addition, about the same part as the dishwasher in the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted. In the present embodiment, as shown in FIG. 3, the lead wire 8 connected to the control unit is electrically connected to the electrical terminal 3c of the electromagnetic water supply valve 3a by the connection terminal 15, and the connection terminal 15 is a hose side resin. The other configuration is provided in contact with the member 12 and is the same as that of the first embodiment.

About the dishwasher comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. At the time of construction, the contractor may pull the water supply pipe 6 by mistake. At that time, the lead wire 8 and the connection terminal 15 are pulled, and a force is applied to deform the electrical terminal 3c. However, since the connection terminal 15 is in contact with the inner wall of the hose-side resin member 12, the electrical terminal 3c is not deformed without further movement of the connection terminal 15, and the terminal thickness of the bent portion due to the deformation of the electrical terminal 3c. It is possible to avoid an increase in resistance due to a decrease in resistance, etc., and heating, which is electrically safe.

  As described above, the dishwasher according to the present invention improves the workability of the water supply means while maintaining the function of detecting water leakage from the connection portion of the electromagnetic water supply valve, and in the unlikely event that a processing failure occurs. However, since it can be easily exchanged and can be advantageous in terms of resources, the water supply means having the electromagnetic water supply valve is useful as a dishwasher or the like disposed outside the dishwasher body.

1 Dishwasher body 2 Washing tank 3 Water supply means 3a Electromagnetic water supply valve 5 Water supply pipe (water pipe)
6 Water supply pipe 6a Inner water supply pipe 6b Outer water supply pipe 10 Resin member 11 Primary side resin member 12 Hose side resin member 12a Outer water supply pipe connection part 12b Surface 13 O-ring 14 Seal member 3c Electrical terminal 15 Connection terminal

Claims (5)

A washing tub for storing and washing dishes, a dishwasher main body having the washing tub inside, a water pipe outside the dishwasher main body and a water supply pipe for the dishwasher main body are connected and water is supplied to the washing tub. Water supply means, the water supply means includes an electromagnetic water supply valve that supplies water by opening and closing a valve, and a resin member that covers the electromagnetic water supply valve in a watertight manner , and the resin member includes the water pipe and the water supply pipe. Dishwasher formed by dividing the surface substantially perpendicular to the connecting direction . The dishwasher according to claim 1, wherein the resin member is configured to be separable into at least two members in a state where the water supply means is connected to both the water pipe and the water supply pipe. The water supply pipe is a double structure covering the outside of the inner supply pipe outside the water supply pipe, according to claim 2 connected in a watertight to said outer water supply pipe one end of at least one member of the separable constructed resin member Dishwasher. The dishwasher according to claim 3 , wherein the outer water supply pipe is configured to be stretchable in a longitudinal direction. The connection terminal which connects the electrical terminal of the said electromagnetic water supply valve and the lead wire connected to the control part of a dishwasher is provided, and the said connection terminal is provided so that it may contact | abut to the inner wall of the said resin member. dishwasher according to any one of 1-4.