JP2610248B2 - Operation box for electrical equipment - Google Patents

Description

Description: TECHNICAL FIELD [0001] The present invention relates to an operation box of an electric device in which an electronic component having a connection terminal to which a lead wire is connected on the back side is arranged inside an operation box body. .

[Technical Background of the Invention and Problems Thereof] In an operation box of an electric device such as a washing machine, a boss portion is conventionally formed on a back side of a panel in a main body of the operation box configured by mounting a panel on a base. An electronic component having a connection terminal to which a lead wire is connected, such as a changeover switch,
A screw inserted through the screw insertion hole formed in the changeover switch is attached to the panel by tightening the screw to the boss portion, and the changeover switch is arranged inside the operation box main body with its back side facing the base side. Was like that. However, in this case, when the changeover switch is mounted on the panel, the work of tightening the screws has to be performed, so that there is a disadvantage that the workability is poor. On the other hand, recently, an engagement claw is formed on the back side of the panel, and a changeover switch is engaged with the engagement claw to be attached to the panel. According to this method, although the workability of mounting the changeover switch is improved, the panel must be provided with a die-cutting hole for forming the engaging claw, and thus the surface of the panel is subjected to silk printing or the like for display. In such a case, there is a problem that the die-cut hole cannot be hidden and the appearance is deteriorated. In order to deal with this, a decorative plate is attached to the surface of the panel so as to cover the die-hole. However, in this case, there is a problem that the cost increases because a decorative plate is separately required.

Therefore, in order to cope with these problems, for example, it is conceivable that an attachment portion is provided on the base, and the changeover switch is attached to the attachment portion so as to be attached to the base. According to this, it is not necessary to form a die-cutting hole for forming the engaging claw in the panel, and thus a desired surface treatment can be performed without separately requiring a decorative plate or the like.
However, in this case, to connect the lead wire to the connection terminal located on the back side of the changeover switch, the connection terminal faces the base side after the changeover switch is attached to the base and the lead wire can not be connected. Prior to mounting the switch to the base, the leads must be connected at a location remote from the base, after which the changeover switch must be mounted to the base. For this reason, when connecting the lead wire, the lead wire needs to have a margin enough to separate the changeover switch from the base, and when the changeover switch is mounted on the base, extra slack in the lead wire in the base is required. Will occur. When extra slack occurs in the lead wire in this way, extra force is applied to the connection portion between the connection terminal and the lead wire to cause the connection portion to come off, or to cause another connection provided in the operation box main body. A new problem arises in that the lead wire touches a component, particularly a component having a movable portion, and may hinder the operation of the component or cause the lead wire to be cut or disconnected.

[Object of the Invention] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electric device capable of minimizing the slack of a lead wire connected to an electronic component while attaching the electronic component to a base. To provide an operation box.

[Summary of the Invention] In the present invention, an operation box main body constituted by mounting a panel on a base, a protrusion having an arm protruding laterally and a connection terminal having a connection terminal to which a lead wire is connected on the back side are formed by a protrusion. Established
An electronic component disposed inside the operation box main body and a space protruding from the base, respectively, and forming a space between the two to accommodate the protrusion of the electronic component, and the electronic component is placed on the back side thereof. The first and second mounting portions each have a shape that can be held via the arm portion in both a state facing the base side and a state facing the opposite side. The first mounting portion of the second mounting portion has a bag-shaped insertion portion which inserts and holds the electronic component in the normal mounting state in which the back side of the electronic component faces the base side, and the electronic component is mounted on the first mounting portion. A concave portion for temporarily holding the arm portion in a temporary holding state in which the back side faces the opposite side to the base, whereby the first and second electronic components are moved so that the back side faces the opposite side to the base; Connect the lead wires to the connection terminals while temporarily holding the Then, the electronic component is turned upside down from that state, and mounted on the first and second mounting portions with the back side of the electronic component facing the base side, so that the electronic component can be disposed inside the operation box main body. It is characterized by

Embodiments of the Invention One embodiment of the present invention will be described below with reference to the drawings. First, in FIG. 1, reference numeral 1 denotes an operation box main body provided at an upper portion of, for example, a washing machine main body (not shown), which comprises a base 2 having an open upper surface and a panel 3 mounted thereon. Reference numerals 4 and 5 denote first and second mounting portions provided on the inner surface of the base 2 of the operation box main body 1 and projecting upward from the bottom at the front and rear portions (left and right portions in the figure), respectively. A concave space 20 is formed between the first and second mounting portions 4 and 5. The first mounting portion 4 at the front has a trapezoidal shape as shown in FIG. 2, and has a concave portion 6 formed at the center of the upper surface, and the rear surface is provided on both the left and right sides of the concave portion 6, respectively. A bag-shaped insertion portion 8, 8 having an opening 7 (see FIG. 1) is formed at the rear end, and the second mounting portion 5 at the rear has a trapezoidal shape higher than the first mounting portion 4. At the center of the upper surface, a U-shaped rib 9 whose upper surface and front surface are open is protruded, and the upper surface on both the left and right sides of the rib 9 is formed flat. Reference numeral 10 denotes an electronic component having a connection terminal to which a lead wire is connected on the back side. In this case, a changeover switch for switching the strength of water flow is provided.
As shown in the figure, a protrusion 11a having three connection terminals 12 is provided so as to protrude, and has two push buttons 13, 13 for operating the switch body 11 on the front side. In FIG. 2, the switch body 11 has first arms 14, 14 extending forward on both left and right sides of the front part, and a first arm part 14, 14 extending rearward at the center part of the rear part. A second arm 15 protrudes. In this case, as shown in FIG. 1 and FIG. 2, the changeover switch 10 connects the first arm portions 14, 14 to the base 2 with the rear projection 11a accommodated in the space 20. First
By inserting the second arm portion 15 into the rib 9 of the second mounting portion 5 by inserting the second arm portion 15 into the insertion portion 8, 8 of the mounting portion 4, the rear side of the second arm portion 15 faces the base 2 side (lower side). 3 and FIG. 4, the first arm parts 14, 14 in the state in which the front push buttons 13, 13 are stored in the vacant space 20.
On the left and right sides of the rib 9 in the second mounting portion 5 and the second arm portion 15 is placed in the recess 6 in the first mounting portion 4 so that the back side of the 2
In the temporary holding state facing the opposite side (upper side), the first and second mounting portions 4 and 5 hold the holding member. Reference numeral 16 denotes a lead wire connected to each connection terminal 12 of the changeover switch 10 by soldering.
In FIG. 1, reference numeral 17 denotes an opening formed in the panel 3 so as to correspond to the push buttons 13 and 13 of the changeover switch 10. The push button 13 can be operated from outside the panel 3 through the opening 17. Like that.

In order to dispose the changeover switch 10 inside the operation box main body 1 in the above configuration, first, the changeover switch 10 is set so that the rear side of the changeover switch 10 is opposite to the base 2 as shown in FIG. 3 and FIG. First and second mounting portions of the base 2 in a state facing the side.
4 and 5 are held as described above, and in this state, the lead wires 16 are connected to the respective connection terminals 12 by soldering. Then, from this state, the changeover switch 10 is temporarily removed from the first and second mounting portions 4 and 5 and the front and back thereof are turned over, and the first and second mounting portions 4 are turned in a state where the back side faces the base 2 side. , 5 are also held as described above. Incidentally, especially in this state,
The changeover switch 10 has its first arms 14, 14 inserted into the insertion portions 8, 8 of the first mounting portion 4, and the second arms 15 mounted in the ribs 9 of the second mounting portion 5. The first and second mounting portions 4 and 5 are held in such a manner that their movement in the left and right and up and down directions is restricted. Then, the panel 3 is mounted on the upper portion of the base 2 with the opening 17 of the panel 3 corresponding to each push button 13 of the changeover switch 10,
The changeover switch 10 is provided inside the operation box body 1.

As described above, according to the above-described embodiment, the changeover switch 10 is held on the base 2 of the operation box main body 1 in both the state where the back side thereof faces the base 2 side and the state where the reverse side faces the opposite side. The first and second mounting portions 4, 5 are provided, and the changeover switch 1 is attached to the first and second mounting portions 4, 5.
The lead 16 is connected to the connection terminal 12 located on the back side of the changeover switch 10 in a state where the back side of the changeover switch 10 is temporarily held so that the back side faces the opposite side to the base 2.
In the above, the changeover switch 10 is inverted and held on the first and second mounting portions 4 and 5 so that the changeover switch 10 is mounted on the base 2, so that a lead wire is connected to the connection terminal of the changeover switch at a location away from the base. And, unlike the changeover switch mounted on the base, the lead wire
The lead wire 16 does not need much extra length since the lead wire 16 only needs to have a margin enough to invert the changeover switch 10. Therefore, when the changeover switch 10 is attached to the base 2, The slack of the wire 16 can be reduced as much as possible, so that an extra force can be prevented from being applied to the connection portion between the connection terminal 12 and the lead wire 16 and the connection portion does not come off. Since the lead wire 16 does not touch other components provided in the main body 1, there is no danger of hindering the operation of the component having a movable portion. Cutting and detachment problems can be eliminated. In the state shown in FIGS. 3 and 4 in which the changeover switch 10 is temporarily held on the first and second mounting portions 4, 5, the first arms 14, 14 are located on the upper surface of the second mounting portion 5. The second arm portion is placed on the flat portion.
15 is merely placed in the concave portion 6 above the first mounting portion 4, and after the lead wire 16 is connected, the changeover switch 10 is set to the first position.
In addition, there is an advantage that it is easy to remove when removing from the second mounting portions 4 and 5. Of course, in this case, no engaging claw for mounting the changeover switch 10 is provided on the panel 3, so that there is no need to form a die-cutting hole for forming the engaging claw on the panel 3; It is not necessary to cover with a decorative plate, and a desired surface treatment of the panel 3 can be performed.

The present invention is not limited to the embodiment described above and shown in the drawings. For example, the first and second mounting portions are configured so as to have engaging claws, The connection terminal 12 and the lead wire 16 may be connected by crimping instead of soldering, and the lead wire may be connected to the back side as an electronic component. A switch other than the changeover switch may be used as long as the switch has a connection terminal.
The present invention can be applied to a control box of an electric device other than a washing machine in a similar manner.

[Effects of the Invention] As is apparent from the above description, the present invention has an operation box main body constituted by mounting a panel on a base, an arm part protruding laterally, and a lead wire connected to the back side. A projection having a connection terminal that protrudes therefrom; an electronic component disposed inside the operation box main body; and a space that is respectively protruded from the base and that can accommodate the projection of the electronic component therebetween. And a first and second shape having a shape capable of holding the electronic component via the arm portion in both a state where the back side faces the base side and a state where the back side faces the opposite side. The electronic component is inserted and held in the first mounting portion of the first and second mounting portions in a normal mounting state in which the back side of the electronic component faces the base side. Bag-shaped insertion part and electronic component on the back side opposite to the base And a concave portion for temporarily holding the arm portion in a temporary holding state facing the electronic component, so that the slack of the lead wire connected to the electronic component can be reduced as much as possible while attaching the electronic component to the base. It does not come off or break the lead wire, does not interfere with the operation of other movable parts, and can be easily removed when removing the electronic component from the state where the electronic component is temporarily held. It has excellent effects.

[Brief description of the drawings]

The drawings show an embodiment of the present invention, and FIG.
FIG. 2 is a perspective view of a main part showing a state where a changeover switch is mounted on the first and second mounting portions with the back side thereof facing the base side, and FIG. FIG. 4 is a perspective view of a main part showing a state where the switch is mounted with its back side facing the side opposite to the base, and FIG. 4 is IV-IV in FIG.
It is a vertical side view along a line. In the drawing, 1 is the operation box body, 2 is the base, 3 is the panel, 4
And 5 are first and second mounting portions, 6 is a concave portion, 8 is an insertion portion, 10 is a changeover switch (electronic component), 11a is a protrusion, 12 is a connection terminal, and 14 and 15 are first and second Arm (arm), 16
Is a lead wire and 20 is an empty space.

Claims (1)

(57) [Claims] An operation box main body having a panel mounted on a base, a projection having an arm protruding laterally and a connection terminal connected to a lead wire on the back side protrudingly provided. An electronic component disposed inside the operation box main body; and a projecting portion formed on each of the bases to form a space between the two for accommodating the projection of the electronic component. A first and a second attachment portion having a shape capable of being held via the arm portion in both a state facing the base side and a state facing the opposite side; A first mounting portion of the mounting portion has a bag-shaped insertion portion for inserting and holding the arm in a normal mounting state in which the back side of the electronic component faces the base side, and an electronic component. Temporarily hold the arm in a temporary holding state with the back side facing away from the base Operation box of the electric device, wherein a and the recess is provided.