JP3136859B2 - 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 washing machine having a structure in which a motor in an outer frame and electrical components on the outer frame are electrically connected by a lead wire unit.

[0002]

2. Description of the Related Art The structure of a conventional washing machine, particularly the structure of internal wiring, will be described with reference to FIGS. In the figure, 13
Is an outer frame, and an upper cover 14 is mounted on the upper portion of the outer frame 13. A cloth inlet 15 is formed at a substantially central portion of the upper cover 14. The control unit 16 is housed in the front part of the upper cover 14, and the upper part thereof is covered with the front panel 17. A water supply valve (not shown) and the like are accommodated in the rear part of the upper cover 14, and the upper part thereof is covered with a rear panel 18. The electrical components such as the control unit 16 and the water supply valve are electrically connected to each other and between the electrical components and a motor (not shown) by a lead wire unit 19.

The lead wire unit 19 comprises a lower lead wire unit 19a and an upper lead wire unit 19b. A caulking connection is made between the two lead wire units 19a and 19b by a flat terminal connector, and the upper lead wire unit 19b and the lower lead wire unit 19b. The lead wire unit 19a was electrically connected. In addition, since the upper lead wire unit 19a is led out of the outer frame 13 to the control unit 16 housed in the upper cover 14 as shown in FIG.
4 are provided with through holes 20 and 21 on the back surface. The through-hole 21 leads out a lead wire unit connected to the electrical component of the water supply valve, and the through-hole 20 leads out the lead wire unit to all the control units 16.

The electrical components such as the control unit are housed in the upper cover 14 because the electrical components are vulnerable to moisture and may malfunction or leak due to water or the like. (Not shown) and is disposed in the upper cover 14 which can be isolated from the upper cover 14.

[0005]

However, the above-described conventional configuration has a problem that the workability of assembling the washing machine is poor. That is, the upper cover body 14 is
The lead wire unit 19 is routed while being placed on the top,
The lead wire unit 19 is moved from the outer frame 13 to the upper
Since it cannot be led out to the upper side, the upper cover 14
After the lead wire unit 19 was led out to the side, the upper cover 14 was attached to the outer frame 14. In particular, it was difficult to pass the lead wire unit 19 through the through holes 20 and 21.

In addition, if a connector or the like for electrically connecting to an electrical component is provided at the end of the lead wire unit 19,
If the through holes 20 and 21 themselves are not made large, the lead wire unit 19 cannot pass through. There was a problem of reducing the degree of freedom in design. In addition, even during the repair service, the upper cover 14 must be removed from the outer frame 13 every time the lead wire unit 19 is drawn, which takes time and effort.

SUMMARY OF THE INVENTION Accordingly, it is a first object of the present invention to enable a lead wire unit to be routed around an upper cover in a state where the upper cover is mounted on an outer frame, thereby improving assemblability and repair serviceability. I have.

A second object of the present invention, in addition to the first object, is to eliminate caulking by a flat terminal connector in the middle of the lead wire units and to simplify the connection between the lead wire units.

[0009]

Means for Solving the Problems In order to achieve the first object, the first object of the present invention is to provide an outer frame in which a washing and dewatering tub and a motor are provided, and a clothing input opening. And an upper cover that covers the upper opening of the outer frame, electrical components such as a control unit and a water supply valve disposed on the side and rear of the upper cover, and covers these electrical components. A panel unit, and a lead wire unit for electrically connecting the electrical component and a motor in the outer frame, and a cutout portion for inserting the lead wire unit is provided in a rear flange portion on an upper surface of the outer frame. In addition, a concave portion for introducing a lead wire unit is provided at a position facing the cutout portion on the side of the upper cover, and a tongue portion is provided on the panel to cover a side surface of the concave portion of the upper cover.

In order to achieve the second object, according to a second object of the present invention, a lead wire unit includes a first lead wire unit extending downward from a concave portion of an upper cover, and an upper cover. A second lead wire unit disposed at a rear part on a body, and a third lead wire unit disposed at a side part on an upper cover, wherein the first lead wire unit is provided. And the second or third lead wire unit are composed of continuous lead wires, and connectors are provided at both ends of the continuous lead wire.

[0011]

According to the first means for solving the problems, the upper cover can be mounted on the outer frame in a state where the lead wire is led out of the concave portion of the upper cover, and the lead wire unit can be routed in this mounted state. The assembly work is very simple and efficient. Also, at the time of the repair service, the lead wire unit can be routed without removing the upper cover from the outer frame, so that labor and time for the work can be saved.

According to the second means for solving the problems, since the lead wires of the lead wire unit are continuous, the caulking connection by the intermediate flat terminal connector can be eliminated, and the assembling work can be made more efficient.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes an outer frame in which a washing and dewatering tub is provided, and an upper opening is provided at a central portion. A cutout 2 is provided in a rear flange portion of the upper surface of the outer frame 1 to lead the lead wire unit 3 upward. Electrical components such as a motor (not shown) are attached to a lower portion in the outer frame 1, and the first lead wire unit 3a is connected to these electrical components. The first lead wire unit 3 a is disposed with the rear wall surface of the outer frame 1 facing upward, and is housed in the cutout 2. Reference numeral 4 denotes an upper cover that covers the upper portion of the outer frame 1, and a substantially U-shaped concave portion 5 is provided on the rear side surface.
Out of the first lead wire unit 3 a onto the upper cover 4. The upper cover 4 is placed on the outer frame 1, and the first lead wire unit 3 a is stored from outside the recess 5,
Starting from the recess 5, the second lead wire unit 3 b is connected to an electrical component such as a water supply valve for storing the second lead wire unit 3 b in the rear part of the upper cover 4. Is wired to the control unit 7 housed in the control unit. Reference numeral 6 denotes a side panel that covers the side of the upper cover, and 8 denotes a rear panel that covers the rear of the upper cover 4, and a tongue that covers the opening 9 of the recess 5 is provided on the back surface of the rear panel 8. The tongue 10 is provided on both sides with mounting portions 12 corresponding to the receiving portions 11 of the upper cover 4.

Next, the operation of this embodiment will be described. The first lead wire unit 3a connected to an electric component such as a motor (not shown) attached to the lower part is an outer frame 1.
The rear wall face is disposed upward and is housed in the recess 2 of the outer frame 1. Thereby, the movement of the first lead wire unit 3a in the lateral direction is restricted. Next, the upper cover 4 is placed from above, and the first lead wire unit 3a is housed and fixed in the substantially U-shaped recess 5 from the opening 9 side that opens outward. It becomes possible. This makes it possible to assemble the lead wire unit 3 with the upper cover 4 mounted thereon, and the assemblability becomes very simple. Further, only the lead wire portion of the lead wire unit 3 may be attached to the substantially U-shaped concave portion 5 from outside.
The space of the substantially U-shaped concave portion 5 is only for the number of lead wires, so that space is saved and the degree of freedom in design space is increased. Further, starting from the substantially U-shaped concave portion 5, a second reel is formed.
Since the lead wire unit 3b is wired to the rear electrical component of the upper cover 4 and the third lead wire unit 3c is wired to the control unit 7 mounted on the back surface of the side panel 6, Thus, even if the lead wire unit 3 is pulled downward, the lead wire unit 3 can be supported on the upper surface of the concave portion 5 and no tension is applied to the connector portion of the lead wire unit 3.

Also, the lead wire unit 3 is constituted by bundling lead wires provided with connectors at both ends, so that caulking connection between lead wire units by a flat terminal connector in the middle can be eliminated, and the efficiency of assembly work can be reduced. Can be achieved.

[0017]

As apparent from the above description of the embodiment, according to the present invention, the upper portion of the outer frame is covered with the upper cover, and the upper cover has a concave portion and a rear flange portion on the upper surface of the outer frame. The lead wire unit can be led out to the electrical component side inside the upper cover, so that the lead wire unit can be easily assembled without having to remove or turn over the upper cover to pass through the through hole. This greatly improves production efficiency and repair serviceability. Further, the space of the concave portion needs only a space for accommodating the number of lead wires of the lead wire unit, and even in a lead wire unit provided with a connector or the like, there is no need to particularly increase the storage space and the space can be saved. It also increases the degree of freedom.

Further, by forming the lead wire unit by bundling continuous lead wires provided with connectors at both ends, caulking connection between the lead wire units by the intermediate flat terminal connector can be eliminated and the upper cover can be covered. Wiring to the body becomes easy, and the efficiency of the assembling work can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a washing machine showing one embodiment of the present invention.

FIG. 2 is an enlarged exploded perspective view of a main part of the washing machine showing one embodiment of the present invention.

FIG. 3 is an exploded perspective view of a conventional washing machine.

FIG. 4 is an exploded perspective view of an upper cover and a lead wire unit of a conventional washing machine.

[Explanation of symbols]

 2 Concave part 3 Lead wire unit 3a First lead wire unit 3b Second lead wire unit 3c Third lead wire unit 4 Upper cover 5 Notch 8 Rear panel (panel) 10 Tongue

Continuation of the front page (56) References Japanese Utility Model Sho 56-58990 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) D06F 39/00

Claims (2)

(57) [Claims] 1. An outer frame in which a washing and dewatering tub and a motor are housed, an upper cover having a clothing input opening and covering an upper opening of the outer frame, and a side portion of the upper cover. A control unit disposed at the rear, electric components such as a water supply valve, a panel portion covering these electric components, and a lead wire unit for electrically connecting the electric components and a motor in the outer frame are provided. A notch portion for inserting the lead wire unit is provided in a rear flange portion on an upper surface of the outer frame, and a concave portion for introducing a lead wire unit is provided in a portion facing the notch portion on the side of the upper cover. A washing machine further comprising a tongue provided on the panel to cover a concave side surface of the upper cover. A first lead wire unit extending downward from a recess of the upper cover, a second lead wire unit disposed rearward on the upper cover, and an upper cover. A third lead wire unit arranged on the side of the body, and the first lead wire unit and the second or third lead wire unit are constituted by continuous lead wires; The washing machine according to claim 1, wherein connectors are provided at both ends of the continuous lead wire.