JP3199507U - Power switch - Google Patents

Abstract

A power switch capable of preventing a problem that a terminal is exposed when a switch is detached from a case is provided. A case includes a case, a switch, a current-carrying member, and a safety member. Among the case, an assembly space is formed in the case and an opening is formed in an upper portion. A main body that is fitted into the opening of the main body and is rotatably attached to the case, a shaft 22 that protrudes from the center of both sides of the main body, and a positioning column that is provided at the center of the bottom surface of the main body. And a first terminal 31 and a second terminal that penetrate the case at an interval, and a rocking unit that is selectively connected to the second terminal while being attached to the first terminal. The safety member is installed between the switch shaft and one end of the body, and includes a first holding part and a second holding part, the first holding part is provided in the case, and the second holding part is provided in the switch. First hold There is in contact with the second holding portion can be selected. [Selection] Figure 1

Description

  In particular, the present invention relates to a power switch that can prevent a problem that a switch comes out of a case and a terminal is exposed.

The electric product has a plug for connecting to a wall outlet or an extension cord connected to a power source, and power is supplied by connecting the plug to the power source. Also, when not using an electrical product, it is possible to save power by removing the plug from the outlet, but it is difficult to actually execute it every time.
In order to solve this problem, a power switch that can be used by freely switching between OFF and ON has been developed. The power switch plug is always inserted into a wall outlet and electrically connected to an electrical product, and the power switch is turned on. When switched to, power can be input to the electric product to drive, and when the power switch is switched to OFF, the power can be turned off to save power.

The existing power switch includes a case and a switch, an opening is formed in the case, and a spring, a swinging member, a first terminal, and a second terminal are respectively combined inside the case through the opening. A shaft is attached to both sides of the inner surface in the vicinity of the opening, the switch is pivotably mounted on the shaft, both ends of the spring are in contact with the switch and the swing member, and the swing member corresponds to the first terminal. Thus, the swing member can be brought into contact with or separated from the first terminal by a switch and a spring, and the second terminal is electrically connected to the first terminal in a selectable manner.
Also, when using an existing power switch, if the switch is switched to the ON state, the swinging member approaches and contacts the first terminal by a spring, and at this time, the first terminal is electrically connected to the second terminal. Is done. On the other hand, when the switch is switched to the OFF state, the swinging member is separated from the first terminal by the spring, and the first terminal and the second terminal are brought into a non-contact state.

  However, in such a power switch, the shaft for pivotally mounting the switch on the case is fragile due to an external collision or material fatigue, and the switch is detached from the opening of the case so that the swing member, the first terminal Since the second terminal was exposed and the power switch could be short-circuited, it was necessary to improve it.

  A power switch according to the present invention has a case in which an assembly space is formed inside and an opening communicating with the assembly space is formed in an upper portion, and is fitted into the opening of the case, and has a main body, a shaft, and a positioning column. The first end is provided at one end of the main body, the second end is provided at the other end, and the shaft is provided between the first end and the second end. And a switch mounted on the bottom surface of the main body so that the positioning column is positioned between the first end and the second end, and is combined with the switch and the case, One terminal, a second terminal, a swinging unit, and a spring, of which the first terminal and the second terminal are respectively provided through the case at intervals, and the second terminal is connected to the main body. The oscillating unit is located on the first end side of the positioning column of the Positioning of the main body so that the spring is located in the assembly space of the case and is in contact with the upper surface of the rocking unit and the bottom surface of the main body so as to be swingable so as to be positioned in the assembly space. An energizing member that is mounted on a column and is electrically connected to a second terminal so that the swing unit is selectable, and is installed between a shaft of the switch and a first end of the main body, and a first holding portion and a second A safety member comprising a holding portion, wherein the first holding portion is provided in the case, the second holding portion is provided in a switch, and the first holding portion is selectably abutted against the second holding portion; It is what has.

  In such a power switch, the first holding portion of the safety member is protruded from the annular wall of the case, the second holding portion is protruded from the main body of the switch, and the first holding portion is above the second holding portion. It is preferable that the bottom surface of the first holding portion is attached to the top surface of the second holding portion so as to be selectable.

  In such a power switch, it is preferable that the safety member is provided in the vicinity of the bottom of the shaft of the switch.

  In such a power switch, a mounting portion is recessed in the first terminal of the energizing member, a rib is protruded from the bottom of the mounting portion, and the swing unit is attached to the mounting portion, and the rib is It is preferable that the first terminal rib is swingably supported as a fulcrum.

  In such a power switch, a lower contact portion is provided on the second terminal of the current-carrying member, and an upper contact portion is provided on the first terminal so that the upper contact portion of the swing unit can be selected. It is preferable to be electrically connected to the contact portion.

  In such a power switch, a lower contact portion is provided on the second terminal of the current-carrying member, and an upper contact portion is provided on the first terminal so that the upper contact portion of the swing unit can be selected. It is preferable to be electrically connected to the contact portion.

  In such a power switch, it is preferable that the energizing member further includes a third terminal, and an indicator light is installed on a main body of the switch, and the indicator light is electrically connected to the first terminal and the third terminal.

  In such a power switch, the indicator light is preferably electrically connected to a swing unit of the energizing member and a first terminal by a spring.

If a safety member is used for the power switch according to the present invention, even if the shaft of the switch is broken, it does not fall off from the case due to the urging force of the spring, and there is no problem that the energizing member is exposed to cause a short circuit.
Also, if you have the safety member, if the shaft of the switch is broken, the power switch by the safety member is turned off and the power supply is shut off, so the problem of causing a fire due to a short circuit of the power switch can be prevented Made and safe.

It is a perspective view of the power switch concerning the present invention. It is a disassembled perspective view of the power switch which concerns on this invention. It is side view sectional drawing of the power switch which concerns on this invention. FIG. 4 is a front sectional view of the power switch according to the present invention when the switch is switched to an ON state. FIG. 3 is a front sectional view of the power switch according to the present invention when the switch is switched to an OFF state. In the power switch according to the present invention, it is a front view cross-sectional view showing a state in which the shaft of the switch is broken and the safety member is activated.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following Example is only what showed the preferred embodiment of this invention, and the technical scope of this invention is not limited to the following Example itself at all.

  As shown in FIGS. 1 to 3, the power switch according to the present invention includes a case 10, a switch 20, a current-carrying member 30, and a safety member 40.

  As shown in FIGS. 1 to 4, the case 10 has an assembly space 11 formed therein, an opening 12 communicating with the assembly space 11 formed at the top, a bottom surface 13 provided at the bottom, and an annular wall around the periphery. 14 is provided.

  As shown in FIGS. 1 to 4, the switch 20 is pivotally mounted on the upper portion of the annular wall 14 of the case 10 and fitted into the opening 12 of the case 10, and includes a main body 21, a shaft 22, a positioning column 23, and the like. Have Among them, a first end 210 is provided at one end of the main body 21, and a second end 211 is provided at the other end, so that the shaft 22 is positioned between the first end 210 and the second end 211. The positioning column 23 is provided on the main body 21 and is rotatably mounted on the annular wall 14 of the case 10.

As shown in FIGS. 1 to 4, the energizing member 30 is combined with the switch 20 and the case 10, and includes a first terminal 31, a second terminal 32, a swing unit 33, and a spring 34. Among them, the first terminal 31 and the second terminal 32 are respectively provided through the annular wall 14 of the case 10 at an interval, and the installation portion 311 is recessed in the first terminal 31. A vertical rib 312 is projected on the bottom of the second terminal 32, and a lower contact portion 321 is provided on the second terminal 32. The swing unit 33 is attached to the mounting portion 311 so as to be positioned in the assembly space 11 of the case 10 and is swingably mounted on the rib 312 of the first terminal 31 with the rib 312 as a fulcrum. A connecting portion 331 extends at one end of the moving unit 33, an upper contact portion 332 is projected from the connecting portion 331, and the upper contact portion 332 of the connecting portion 331 of the swing unit 33 is selectable. The lower contact portion 321 is electrically connected.
The connection portion 331 of the second terminal 32 and the swing unit 33 is positioned on the first end 210 side of the positioning column 23 of the main body 21, and the spring 34 is positioned in the assembly space 11 of the case 10. It is attached to the positioning column 23 of the main body 21 so as to come into contact with the upper surface of the swing unit 33 and the bottom surface of the main body 21.

As shown in FIGS. 2 to 4, the safety member 40 is located between the switch 20 and the annular wall 14 of the case 10 so as to be positioned between the shaft 22 of the switch 20 and the first end 210 of the main body 21. Provided with a first holding part 41 and a second holding part 42, the first holding part 41 being in contact with the second holding part 42 so as to be selectable.
In the present embodiment, the safety member 40 is provided in the vicinity of the bottom of the shaft 22 of the switch 20, of which the first holding portion 41 is a rectangular block, and is protruded from the annular wall 14 of the case 10. The second holding part 42 is attached to the upper side of the second holding part 42, and the second holding part 42 is a rib-like block, and is protruded from the main body 21 of the switch 20.
According to this configuration, when the shaft 22 of the switch 20 is broken and the main body 21 is separated from the case 10 and jumps out due to the elasticity of the spring 34, the bottom surface of the first holding portion 41 contacts the top surface of the second holding portion 42. Since the main body 21 does not detach from the opening 12 of the case 10 because of contact and engagement, the switch 20 can pivot relative to the case 10 about the first holding portion 41 of the safety member 40. .

As shown in FIGS. 1 to 4, in the present embodiment, the main body 21 of the switch 20 includes a lid portion 212, a seat portion 213, and an instruction light 214, and the lid portion 212 includes the seat portion 213. The positioning pillars 23 are projected in the vertical direction on the bottom surface of the seat portion 213, and the indicator light 214 is installed between the lid portion 212 and the seat portion 213.
Further, both ends of the spring 34 of the energizing member 30 are brought into contact with the upper surface of the swing unit 33 and the bottom surface of the seat portion 213 of the main body 21, and further provided with a resistor 35 and a third terminal 36. Are electrically connected in series with the resistor 35. On the other hand, the indicator light 214 of the main body 21 of the switch 20 is electrically connected to the first terminal 31 and the third terminal 36, and the first terminal 31 of the energizing member 30 is connected to the switch 20 by the swing unit 33 and the spring 34. It is electrically connected to the indicator light 214 of the main body 21.

  As shown in FIGS. 1, 2, and 4, when the switch 20 is switched to the ON state, the main body 21 presses the spring 34 and the swing unit 33 to one side via the positioning column 23, and the swing unit 33. Falls into the second terminal 32 using the rib 312 of the first terminal 31 as a fulcrum. At this time, since the upper contact portion 332 of the connecting portion 331 of the swing unit 33 is in contact with the lower contact portion 321 of the second terminal 32, the first terminal 31 is electrically connected to the second terminal 32, and the first terminal 31 is electrically connected to the resistor 35, the indicator light 214, the spring 34, and the third terminal 36 by the swing unit 33.

  On the other hand, as shown in FIGS. 1, 2, and 5, when the switch 20 is switched to the OFF state, the main body 21 presses the spring 34 and the swing unit 33 to the other side via the positioning column 23 to swing. The unit 33 falls in a direction opposite to the second terminal 32 with the rib 312 of the first terminal 31 as a fulcrum. At this time, since the upper contact portion 332 of the connecting portion 331 of the swing unit 33 is separated from the lower contact portion 321 of the second terminal 32, the first terminal 31 is in an open circuit state with the second terminal 32, and The one terminal 31 is also in an open circuit state with the third terminal 36.

As shown in FIGS. 1, 2, 5, and 6, in the power switch according to the present invention, when the shaft 22 is broken due to an external collision or material fatigue failure, the main body 21 of the switch 20 is used. May be separated from the case 10 and jump out to the outside by the spring 34. However, since the second holding portion 42 of the safety member 40 is engaged with the first holding portion 41, the main body of the switch 20 21 is blocked and held in the opening 12 of the case 10. At this time, the main body 21 of the switch 20 pivots about the first holding portion 41 by the biasing force of the spring 34 and is engaged with the case 10, so that the main body 21 of the switch 20 is not detached from the case 10. In addition, the current-carrying member 30 is not exposed.
Further, when the shaft 22 is broken, the main body 21 is locked to the case 10 by the safety member 40 and cannot move, and the main body 21 cannot fall down the swinging unit 33 by the spring 34. Since the second terminal 32 is not electrically connected and the first terminal 31 is not electrically connected to the second terminal 32 via the swing unit 33, the power switch can be maintained in the OFF state.

  Thus, if the power switch according to the present invention has the safety member 40, even if the shaft 22 of the switch 20 is damaged, the power switch does not separate from the case 10 due to the urging force of the spring 34, and the energization member 30 is exposed. And there is no problem of causing a short circuit. If the safety member 40 is used, the first terminal 31 is not electrically connected to the second terminal 32 via the swing unit 33. Therefore, if the shaft 22 is damaged, the power switch is turned off, Since it can prevent fires and other troubles by shutting off, it is excellent in safety.

DESCRIPTION OF SYMBOLS 10 Case 11 Assembly space 12 Opening 13 Bottom surface 14 Ring-shaped wall 20 Switch 21 Main body 210 1st end 211 2nd end 212 Cover part 213 Seat part 214 Instruction light 22 Shaft 23 Positioning pillar 30 Current supply member 31 1st terminal 311 Installation part 312 Rib 32 Second terminal 321 Lower contact portion 33 Swing unit 331 Connecting portion 332 Upper contact portion 34 Spring 35 Resistor 36 Third terminal 40 Safety member 41 First holding portion 42 Second holding portion

Claims (9)

A case in which an assembly space is formed inside, and an opening communicating with the assembly space is formed in the upper part;
It is fitted into the opening of the case, and has a main body, a shaft, and a positioning column. Among them, a first end is provided at one end of the main body, and a second end is provided at the other end. It is provided in the main body so as to be positioned between the first end and the second end, and is rotatably attached to the case, so that the positioning column is positioned between the first end and the second end. A switch provided on the bottom of the main body,
A first terminal, a second terminal, a swing unit, and a spring are combined with the switch and the case, and the first terminal and the second terminal are respectively provided in the case at intervals. The second terminal is positioned on the first end side of the positioning column of the main body, and the swing unit is swingably mounted on the first terminal so as to be positioned in the assembly space of the case, and the spring Is mounted in the positioning column of the main body so as to be in the assembly space of the case and to be in contact with the upper surface of the rocking unit and the bottom surface of the main body, and the rocking unit is selectively connected to the second terminal. A current-carrying member,
The switch is installed between the switch shaft and the first end of the main body, and includes a first holding portion and a second holding portion, the first holding portion is provided in the case, and the second holding portion is provided in the switch. A safety member that is selectably abutted against the second holding part, wherein the first holding part is selectable,
Power switch.   The first holding part of the safety member is projected on the annular wall of the case, the second holding part is projected on the switch body, the first holding part is attached to the upper side of the second holding part, The power switch according to claim 1, wherein the bottom surface of the one holding portion is in contact with the upper surface of the second holding portion so as to be selectable.   The power switch according to claim 2, wherein the safety member is provided in the vicinity of the bottom of the shaft of the switch.   A mounting portion is recessed in the first terminal of the current-carrying member, a rib is protruded from the bottom of the mounting portion, and the swing unit is attached to the mounting portion and can swing with the rib as a fulcrum. The power switch according to any one of claims 1 to 3, wherein the power switch is installed on a rib of the first terminal.   A lower contact portion is provided on the second terminal of the current-carrying member, and an upper contact portion is provided on the first terminal so that the upper contact portion of the swing unit can be selected and electrically connected to the lower contact portion of the second terminal. The power switch according to any one of claims 1 to 3, wherein the power switch is provided.   A lower contact portion is provided on the second terminal of the current-carrying member, and an upper contact portion is provided on the first terminal so that the upper contact portion of the swing unit can be selected and electrically connected to the lower contact portion of the second terminal. The power switch according to claim 4, wherein:   4. The device according to claim 1, wherein the energizing member further includes a third terminal, and an indicator light is installed on a main body of the switch, and the indicator light is electrically connected to the first terminal and the third terminal. The power switch according to any one of claims.   The said electricity supply member is further provided with the 3rd terminal, The indicator light is installed in the main body of the said switch, This indicator light is electrically connected with the 1st terminal and the 3rd terminal, The Claim 6 characterized by the above-mentioned. Power switch.   9. The power switch according to claim 8, wherein the indicator light is electrically connected to a first terminal by a swing unit of a current-carrying member and a spring.

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