JP3177075B2 - Two-tub washing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-tub washing machine having a drainage joint.

[0002]

2. Description of the Related Art Conventionally, a two-tub washing machine has been provided with one shown in FIG. In this one, washing tub 1
A drainage joint 7 having two drainage ports 5 and 6 is connected to the drainage ports 3 and 4 of the dewatering tub 2 aligned with the drainage tubs 2 and 5, respectively. Dehydration tank 2
Is inserted into the outer box 9 connected to the base plate 8 with the drainage joint 7 facing downward, and the tip end drainage outlet 10 of the drainage joint 7 is inserted.
The part is passed through the joint opening 11 of the base plate 8 to connect the washing tub 1 and the dewatering tub 2 to the outer box 9 at an upper edge not shown, and
In this state, a drainage hose 12 is connected to a drainage outlet 10 of the drainage joint 7 projecting from the joint passage 11 of the base plate 8.

[0003]

In the case of the above, while the washing tub 1 and the dewatering tub 2 are inserted into the outer box 9, the drainage end 10 of the drainage joint 7 is connected to the joint passage 1 of the base plate 8.
1, the joint opening 11 is not visible, and the joint opening 11 is small, so that the distal end drain outlet 10 of the drainage joint 7 cannot be easily passed through the joint opening 11, 7, the drainage outlet 10 and the joint passage 11 are damaged, or the drainage joint 7 is detached from the drainage ports 3 and 4 of the washing tub 1 and the dewatering tub 2.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a two-tank type washing machine which is easy to assemble and does not cause problems such as damage to drainage joints and base plates or detachment of drainage joints. A washing machine and a two-tub washing machine that can be compactly packaged. Furthermore, it has excellent serviceability when replacing a washing tub and a dewatering tub, and has an appearance of a drainage joint penetration portion of a base plate. Another object of the present invention is to provide a two-tub washing machine which is good and has no backlash, and also provides a two-tub washing machine which can effectively prevent the drainage joint from coming off.

[0005]

In order to achieve the above object, in a two-tub washing machine according to the present invention, a washing tub and a dewatering tub aligned with the washing tub are connected to a base plate having a joint opening. It is inserted into the inside of the box and assembled, and is connected to each drain port of the washing tub and the dewatering tub, and in this connection state, the distal end portion has a size located inside the joint passage of the base plate. together comprising a first drainage joint formed, the outer diameter of the connecting portion against the distal end of the first drainage fitting said
In smaller diameter than the joint communication port of the base plate, the inserted inwardly of the joint communication port is passed through base plate from the outside of the base plate first previous drainage fittings
A second drainage joint which is connected to the end, and in which the distal end protrudes outward from the joint passage of the base plate in this connection state, is provided with a second drainage joint; A drain hose is connected.

In this case, the base plate has an opening that opens outward from the joint passage portion, and the second drainage joint is formed in a shape in which the tip portion is bent toward the opening. And good.

Further, the second drainage joint is preferably formed to have such a size that the tip end stays inside the open portion of the base plate.

[0008] Further, the base plate is formed so that the joint passage is formed in a plane shape larger than the plane shape of the second drainage joint, and the second drainage joint is preferably formed with a brim portion for closing the joint passage. .

[0009] The collar of the second drainage joint is preferably provided with a claw for engaging the joint opening edge of the base plate to prevent the joint from being pulled outward.

[0010]

According to the above-mentioned means, the washing tub and the dewatering tub are assembled by inserting them into the outer box connected to the base plate having the joint passage with the first drainage joint connected to each drainage port. It is good to do. In this case, since the first drainage joint is formed in such a state that the distal end portion is located inside the joint opening of the base plate in the connected state, the first drainage joint is not passed through the joint opening. However, the outer diameter of the joint passage is
The connection part of the small second drainage fitting goes from the outside to the inside of the base plate
What is necessary is just to connect the connection part of the 2nd drainage joint through this joint passage to the tip of the 1st drainage joint. Then, in the connection state, since the distal end of the second drainage joint projects outward from the joint passage, a drainage hose may be connected to the projected distal end of the second drainage joint.

In the above structure, the base plate has an open portion for opening outward from the joint passage portion, and the distal end of the second drainage joint is bent toward the open portion. In the shape formed in the shape, the connection of the drainage hose to the tip of the second drainage joint can be easily performed from the open portion of the base plate.

Further, in the case where the second drainage joint is formed such that the tip end thereof stays inside the open portion of the base plate, the tip end of the second drainage joint does not project outward from the open portion of the base plate. Therefore, the packaging volume can be kept small.

[0013] In addition, the base plate is formed so that the joint passage is formed in a plane shape larger than the plane shape of the second drainage joint, and the second drainage joint is formed with a brim portion for closing the joint passage. When the washing tub and the dewatering tub are replaced, the second drainage joint can be smoothly removed from the joint opening without being hindered by the edge of the joint opening. Can be prevented by the collar of the second drainage joint, and rattling of the second drainage joint at the joint passage can also be prevented by the collar.

[0014] In the second drainage joint formed with a claw that engages with the joint opening edge of the base plate to prevent the second drainage joint from being pulled out outward, the second drainage joint has an outer periphery. The claw portion can prevent the pull-out when pulled from the side.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. First, FIG. 1 shows a base plate 21 which is made of plastic and has a joint passage 23 at a slanted portion 22 at the right end in the figure, and a joint passage 23 outside the slanted portion 22. It has an opening 24 that opens outward from the portion 23 toward the right side in the figure. Also, this base plate 21
, An outer box 25 made of, for example, a steel plate is placed and connected.

On the other hand, the washing tub 26 and FIG.
As shown in the figure, the dehydration tanks 27 that are arranged side by side are integrally formed,
A first drain joint 30 is provided at each of the drain ports 28 and 29 at the bottom.
Are connected.

More specifically, the first drainage joint 30 has two upward drain outlets 31 and 32, and has a forward drain outlet 33 and a downward drain outlet 34. The two drainage ports 31 and 32 are fitted and connected to the drainage ports 28 and 29 of the washing tub 26 and the dewatering tub 27 with adhesion, respectively. The forward drainage outlet 33 of the first drainage joint 30 is sealed with a stopper 35, and the first drainage joint 30 is connected to the washing tub 26 and the dehydration tub 27 with the remaining downward drainage outlet 34 as a tip. Are connected to the respective drain ports 28 and 29 as described above, and the downward drain outlet 34 is formed to have a dimension L1 located inside the joint passage 23 of the base plate 21.

On the other hand, after the first drainage joint 30, a second
The drainage joint 36 has one upward drainage outlet 37 and one downward drainage outlet 38. The drainage inlet 37 is connected to the joint passage 23 of the base plate 21 from the outside . To the drainage outlet 34 of the first drainage joint 30 with adhesion and connection. Therefore, this place
In this case, the drainage port 37 of the second drainage joint 36 is
A connection portion for the drainage outlet 34 (tip) of the joint 30;
The second drainage joint 36 serves as a drainage receiver.
The outside diameter of the opening 37 is smaller than the joint opening 23 of the base plate 21.
Has formed. In the second drainage joint 36, the drainage outlet 38, which is the distal end portion, is formed to have a dimension L2 protruding outward from the joint passage 23 of the base plate 21 in the connected state. Are formed in a “<” shape bent toward the opening 24 of the base plate 21. The above-mentioned dimension L2 is also a dimension where the drain outlet 38 stays inside the open portion 24 of the base plate 21.

Here, the joint opening 23 of the base plate 21 is
As shown in FIG. 3, the second drainage joint 36 is formed in a plane shape (an oval) larger than the plane shape of the second drainage joint 36, and the second drainage joint 36 has the same shape that closes the joint passage 23. A flange 39 is formed. Also, the base plate 2 is
A claw portion 40 that engages with the edge of the joint passage 23 of the first member to prevent it from being pulled outward is formed.

Therefore, in the case of the above-described structure, the first drainage joint 30 is connected to the drainage ports 28 and 29 of the washing tub 26 and the dehydration tub 27 by two drainage receiving ports 31 and 32 during assembly. In this state, they are inserted and assembled inside the outer box 26 connected to the base plate 21.

In this case, the first drainage joint 30 has a drainage outlet 34, which is a distal end in the connected state, having a dimension L1 located inside the joint passage 23 of the base plate 21. It is not passed through the opening 23. Thus, the drain port 37 of the second drain joint 36 is provided in the joint port 23.
Through the joint passage 23 from the outside to the inside.
The drainage port 37 of the drainage joint 36 is connected to the drainage outlet 34 of the first drainage joint 30.

In the connected state, the drainage outlet 38 of the second drainage joint 36 projects outward from the joint passage 23, and the drainage outlet 38 of the second drainage joint 36 projects to the drainage outlet 38. 41 is connected.

Thus, in the case of this structure, it is possible to assemble easily without difficulty as in the conventional structure,
The drainage joint 30 and the second drainage joint 36 and the base plate 21 are not damaged, and the first drainage joint 30 does not come off.

Further, in particular, the base plate 21 has an opening 24 for opening outward from the joint passage 23, and the second drainage joint 36 is connected to the drainage outlet 38 by the drainage outlet 38.
4 because it is formed into a shape that bends toward
Hose 41 to drain outlet 38 of drain joint 36
Can easily be made from the open portion 24 of the base plate 21 without tilting the whole.

On the other hand, the second drain joint 36 is connected to the drain outlet 3
8 has a size L2 which protrudes outward from the joint opening 23 of the base plate 21 but remains inside the open portion 24, so that the drain outlet 38 of the second drainage joint 36 is
It can be prevented from protruding outward from the first open portion 24, the packaging volume can be kept small, and the packaging cost can be reduced.

In addition, the base plate 21 has the joint passage 23 formed in a plane shape larger than the plane shape of the second drainage joint 23, so that the washing tub 26 and the dewatering tub 27 can be replaced. The second drainage joint 36 can be smoothly removed from the through hole 23 without being hindered by the edge of the joint through hole 23. In this case, the second drainage joint 36 is provided with the joint through hole 23. By forming the closing brim portion 39,
Normally, the collar 39 can prevent the inside from being visible from the joint passage 23, so that the appearance can be improved. In addition, the collar 39 also prevents rattling of the second drainage joint 36 at the joint passage 23. be able to.

The collar 39 of the second drainage joint 36
Forming the second drainage joint 36
The claw portion 40 is engaged with the edge of the joint passage 23 when passing through the joint passage 23 of the base plate 21 from outside. When the joint 36 is pulled from the outside, the claw portion 40 can prevent the joint 36 from coming off.

[0028]

The two-tub washing machine of the present invention is as described above, and has the following effects. First, a washing tub and a dewatering tub aligned with the washing tub are inserted into an outer box connected to a base plate having a joint opening, and are assembled. are, together comprising a first drainage joint tip in this connection state is dimensioned located inwardly from the joint communication port of said base plate, the connecting portion against the distal end of the first drainage fittings Outside
Diameter is smaller diameter than the joint communication port of said base plate, stand outside the <br/> joint communication port is passed through block inserted in the first drainage inwardly of plate than the plate
A second drainage joint connected to the distal end of the joint, the distal end of which is formed in such a state that the distal end protrudes outward from the joint opening of the base plate; By connecting the drainage hose to the section, the assembly can be easily performed, and there is no problem such as damage to the drainage joint or the base plate or detachment of the drainage joint.

Second, the base plate is provided with an open portion for opening outward from the joint passage portion, and the second drainage joint is formed so that the tip portion is bent toward the open portion. This makes it possible to easily connect the drainage hose to the distal end of the second drainage joint from the open portion of the base plate.

Third, since the second drainage joint is formed to have a size such that the distal end stays inside the open portion of the base plate, the distal end of the second drainage joint projects outward from the open portion of the base plate. The packaging volume can be kept small.

Fourth, by forming the joint passage of the base plate in a plane shape larger than the plane shape of the second drainage joint, and forming a flange portion for closing the joint passage in the second drainage joint. ,
When the washing tub and the dewatering tub are replaced, the second drainage joint can be smoothly removed from the joint opening without being hindered by the edge of the joint opening. Can be prevented by the collar of the second drainage joint, and rattling of the second drainage joint at the joint passage can also be prevented by the collar.

Fifth, the second drainage joint is formed by forming a claw portion on the collar portion of the second drainage joint to be engaged with the joint opening edge of the base plate to prevent it from being pulled outward. Can be prevented by the claw portion from being pulled out from the outside.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a main part showing an embodiment of the present invention.

FIG. 2 is an overall plan view.

FIG. 3 is a partial cross-sectional plan view taken along line AA of FIG. 1;

FIG. 4 is a diagram corresponding to FIG. 1 showing a conventional example.

[Explanation of symbols]

21 is a base plate, 23 is a joint opening, 24 is an opening, 25 is an outer box, 26 is a washing tub, 27 is a dehydration tub, 28 and 29 are drainage outlets, 30 is a first drainage coupling, and 34 is a drainage outlet. (The tip of the first drainage joint), 36 is the second drainage joint, 38 is the drainage outlet (the tip of the second drainage joint), L1 is the dimension of the first drainage joint, and L2 is the second drainage joint. The dimensions of the joint, 39 indicates a collar, 40 indicates a claw, and 41 indicates a drain hose.

Claims (5)

(57) [Claims] 1. A washing tub and a dewatering tub aligned with the washing tub, which are inserted into an outer box connected to a base plate having a joint opening, and assembled. is connected, a first drainage joint tip is dimensioned to be positioned inwardly from the joint communication port of said base plate in this connected state, the outer of the connecting portion against the distal end of the first drainage fittings Diameter
In smaller diameter than the joint communication port of said base plate, said inserted inwardly of the joint communication port is passed through base plate from the outside of the base plate first drainage fittings
And a second drainage joint formed in such a state that the distal end protrudes outward from the joint opening of the base plate in this connection state; and a second drainage joint connected to the distal end of the second drainage joint. A two-tub washing machine, comprising: 2. A base plate having an open portion that opens outward from a joint passage portion, and wherein a second drainage joint is formed so that a tip portion is bent toward the open portion. The two-tub washing machine according to claim 1, wherein 3. The second drainage joint is formed to have a size such that a distal end portion stays inside an open portion of the base plate.
The two-tub washing machine as described. 4. The base plate has a joint opening formed in a planar shape larger than the planar shape of the second drainage joint, and a brim portion for closing the joint opening is formed in the second drainage joint. The two-tub washing machine according to claim 1. 5. The claw portion of the second drainage joint, wherein a claw portion is formed on the flange portion of the second drainage joint so as to engage with the joint opening edge of the base plate to prevent the joint from being pulled outward. Two-tub washing machine.