JPS6237580A - Solenoid drain valve device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an electromagnetic drain valve device for a washing machine used in general households, and particularly relates to the configuration of the electromagnet.

2. Description of the Related Art In the conventional electromagnet installation of an electromagnetic drain valve, as shown in FIG.
It was fixed on the cook lid 19 via the.

Problems to be Solved by the Invention In the conventional configuration, the electromagnet 20 is placed on the buffer spring 1a. Therefore, the electromagnet 20 works during drainage,
The stroke when pulling up the movable iron core 21 is determined by the balance between the force of the buffer spring 1T and the cock spring 24 pushing down the cock backing 23 in the cock frame 22, and the stroke fluctuates greatly due to variations in parts. , which caused large variations in drainage time.

Further, the purpose of the buffer spring 17 was originally to protect the electromagnet 20 from vibrations and shocks during transportation, and at the same time to alleviate shocks during suction. However, since it is a spring, the buffer spring 17 receives a large impact when the product is dropped, and is deformed greatly, hitting the rod-shaped spring support rod 25 provided on the cook lid 19 and breaking the support rod 25. I often had to do it. As a countermeasure, it is possible to increase the bending constant of the buffer spring 17, but this time, the impact during suction cannot be sufficiently absorbed, and a large impact noise is generated during suction, so this is not a good countermeasure.

On the other hand, regarding impact noise during suction, since it is a spring, there is no soundproofing effect, especially no sound absorption effect, and the only soundproofing effect is to suppress the vibration caused by the impact during suction. Therefore, a rather harsh sound was generated during suction.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electromagnetic drain valve device that has a structure that is strong and unbreakable against large impacts such as dropping of a product, and has a small impact noise generated when an electromagnet is attracted. Further, it is an object of the present invention to simultaneously stabilize the control system and the control system.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention extends a part of a set of core tightening brackets that sandwich the core of an electromagnet from both sides, and extends the lower surface of this extended part. It is bent into an L-shape to form a mounting part, and the brackets for core tightening described in @ are attached so that the mounting parts are in positions facing each other.

Function: With this configuration, even if a force is applied in the weaker direction (wider direction) of the electromagnet attachment, the L-shaped side wall surfaces of the attachment part face each other and receive the force, making it strong.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 6. In the figure, 1 is a tank, washing tank 1
It is divided into a dehydration tank 1b and a dehydration tank 1b.

2 is a cock frame connected to the bottom of the tank 1, and holds the cock backing 7 therein in a watertight manner by engaging the cock lid 3 with claws (not shown). In addition, an electromagnet 4 is attached to the top of the cook lid 3 to turn on the power,
When the movable iron core 6 is turned off, the movable iron core 6 is moved up and down, and the movable iron core 5
The draining operation is controlled by moving the cock backing 7 up and down via a cock backing rod incorporating a spring 6a that is interlocked with the cock backing 7.

The structure of the electromagnet 4 will be explained in detail. Both sides of the core 8 of the electromagnet 4 are crimped by core crimping brackets 9. This crimping placket 9 has a substantially triangular extension 9a on its side surface, and the lower surface of this extension 9a is bent in an L shape toward the core 8, forming a mounting portion 9b. A through hole 10 for attachment is provided in the portion 9b. Therefore, when the attachment portion 9b of the electromagnet is viewed from above after crimping, the extension portion 9a and the attachment portion 9b face each other as shown in FIG. It is a positional relationship.

On the other hand, to explain the installation of the electromagnet 4, the electromagnet 4
consists of a cylindrical part "11a that can be inserted into the through-hole 10 for mounting, a substantially cylindrical receiving part 11b having a diameter larger than that of the cylindrical part and receiving the electromagnet 4, and a washer 11c attached to the lower surface of the receiving part 11b. It is mounted on a mounting seat 14 provided on the upper part of the cook lid 3 with a washer 12 and a stepped screw 13 via the cushioning rubber 11.As shown in FIG. 6, the cushioning rubber 11 The dimensional relationship between the stepped screw 13 and the cushioning rubber 1
If the dimension A from the upper end of 1 to the upper surface of washer 11c and the step dimension B of stepped screw 13, then A)B is obtained.

In the above configuration, the arrow X shown in FIGS. 3 and 4
When a directional force is applied to the electromagnet 4, the extension 9 is difficult to bend.
It becomes strong because the i side of a exists. On the other hand, in the case of a force in the direction of the opposite force arrow Y, the extension part 9a is strong due to the presence of the mouth side of the opposite extension part 9a. Furthermore, forces in the directions of arrows ■ and W do not pose much of a problem because the cross-sectional area in those directions is small.

Furthermore, since the electromagnet 4 is attached via the buffer rubber 11, it has excellent vibration and sound insulation properties. In particular, by using a material for the cushioning rubber 11 that has excellent vibration-proofing and sound-proofing effects, it is possible to further enhance the effect.

In addition, since the dimension A from the upper end of the cushioning rubber 11 to the upper surface of the washer 11c is larger than the step dimension B of the stepped screw 13, when installing the cushioning rubber 11, as shown in FIG. 6(b), The cylindrical portion 11a of the rubber 11 swells slightly outward,
This prevents the electromagnet 4 from coming off upward. Furthermore, since the position of the electromagnet 4 is determined by the stepped portion of the stepped screw 13, the cock stroke is also constant, and the draining time is stabilized.

Effects of the Invention As described above, according to the present invention, since the electromagnet is attached through the warming rubber, the soundproofing and vibrationproofing effects are improved.
It is possible to reduce the impact noise when the electromagnet is attracted. Furthermore, by making the mounting portion L-shaped and having the side wall surfaces facing each other, the mounting structure is strong against external forces, and breakage due to impact during transportation can be prevented. Moreover, the variation in the cock stroke is reduced and the drainage time is stabilized.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional view of an electromagnetic drain valve device according to an embodiment of the present invention, Fig. 2 is a perspective view of a washing machine using the same electromagnetic water extraction valve when the back is opened, and Fig. 3 is a view of a core tightening ground bracket. , 1., Figure 4 is a Y-plane view of the electromagnet, Figure 5 is an exploded perspective view of the main parts of the electromagnet drain valve device, Figure 6 (a) The ID stepped screw is tightened at the front mounting part. Section (2) and FIG. 6(b) are sectional views of the mounting portion when tightening the stepped screw, and FIG. 7 is an enlarged sectional view of the main part of a conventional electromagnetic drain valve device. 4-... Electromagnet, 9-... Bracket for core tightening, 9a... Extension part, 9b... Mounting part 3 Name of agent: Patent attorney Toshio Nakao and 1 other person 4- 11 Den B Azurite 9 --- Fract for core applying force Figure 1 q Hisayama extension qb --- 3 Slip on 5 Figure 2 Figure 3 Figure 5 Figure 6 (Yu 2 Figure 7

Claims (1)

[Claims] A part of a set of core tightening brackets that sandwich the core of the drain valve electromagnet from both sides is extended outward, and the lower surface of this extended part is bent into an L shape to form a mounting part, and these mounting parts are facing each other. An electromagnetic drain valve device in which the core tightening bracket is attached to the core tightening bracket.