JPH01206520A - Switch - Google Patents

Abstract

PURPOSE:To enable a clear display and ensure reversal oscillating movement of an operation element by forming an opening opposite to a display element in the center part of the operation element and forming shaft supporting parts on the both side of said opening. CONSTITUTION:An operation element 40 is provided with an engaging shaft 49 engaged with an engagingly contact part 28 of a movable piece 24 and supported so as to be capable of oscillation, and a neon glow lamp 31 and a light emitting diode 32 are protruded from an opening 41 of the operation element 40. The operation element 40 installing a cap body 12 to a machine body 11 is provided with shaft supporting part 42 on the both side thereof which are made into contact with a bearing part 39 of the cap body 12 and supported so as to be capable of oscillation through a spring 47. Hence, the light of a display element can be confirmed through the opening in the center part of the operation element without shielding of the light by the shaft supporting parts of the operation element. The operation element is certainly supported by the shaft so as to be capable of reversal oscillation in the shaft supporting parts on the both sides, and can certainly oscillate.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a switch, and for example, a tumbler switch, etc., in which the activation or non-operation status of a load is indicated by the blinking of a display element. Regarding the switch that can be displayed.

(Prior Art) Conventionally, this type of tumbler switch incorporating a display element such as a neon lamp or a light emitting diode has been developed, for example, by
-81435 publication, Utility Model Application Publication No. 52-60778,
Utility Model Publication No. 56-33062 and Utility Model Publication No. 55-57
As described in Japanese Patent Application No. 224, etc., a structure was adopted in which a display element was fitted and incorporated into an operating element that was supported so as to be able to swing in reverse. In these structures, the display element must be electrically connected to the terminal piece built into the device body, and when connected with a lead wire, the terminal piece and the operator incorporating the display element are connected by the lead wire. They are connected, making assembly difficult, and requiring connection work using lead wires, which requires a large number of assembly steps.Furthermore, if a conductive coil spring or connection piece is used to connect the display element and the terminal piece, the spring Forming the storage portion or attaching the connecting piece requires a structure, which increases the number of parts and has the problem of complicating MIJ construction.

(Problems to be Solved by the Invention) In the structure of the conventional tumbler switch described above, the display element is incorporated into the operator, so the structure for connecting the display element and the terminal piece is complicated, the number of parts is large, and assembly is troublesome. There are some inconvenient problems.

The present invention was made in view of the above problems, and allows the display element to be incorporated into the container body separately from the operator. For example, a circuit board to which the display element is connected can be attached to a terminal piece to electrically connect the display element to the terminal piece. It can be connected to a terminal piece, has low light loss in the display element, provides a clear display, has reliable reversing and swinging movement of the controls, has a small number of parts, has a simple structure, and is easy to assemble. The purpose is to provide a switch with good performance.

(Structure of the Invention) (Means for Solving the Problems) The present invention provides a terminal piece provided with a fixed contact, a movable piece capable of inverting and swinging and having a movable contact that contacts and separates from the fixed contact. A container body including an operator that is freely supported and reverses and swings the movable piece, and a display that is arranged in the center of the container body and that blinks in response to contact and separation between the movable contact and the fixed contact. The switch is characterized in that the operator has an opening facing the display element in the center thereof, and pivot supports are formed on both sides of the opening.

(Function) When the switch of the present invention is assembled, a terminal piece provided with a fixed contact is incorporated into the device body, and a movable piece capable of reversing and swinging is provided with a movable contact that connects and separates from the fixed contact, and the device A display element connected to a terminal piece is placed in the center of the body, and in this state, the shaft supports on both sides of the control element are supported in a swingable manner on the body, so that the light from the display element is directed to the shaft support of the control element. It can be seen from the frontage of the central part of the operator without being blocked by light, and the operator is reliably pivoted by the shaft supports on both sides so as to be able to swing in reverse, ensuring reliable rocking.

(Example) Next, the configuration of an embodiment of the present invention will be explained with reference to the drawings.

The switch body 10 is composed of a container body 11 and a lid body 12 made of insulating synthetic resin, and terminal storage portions 13 and 14 are defined at both ends of the container body 11. Wire insertion holes 11a are formed in the bottom of the container body 11, respectively, so as to face the terminal storage portions 13 and 14, respectively.

15, 16.17 are the terminal storage portions 13.1 of the container 11.
With the fixed terminal piece housed in 4 and the conductive metal plate,
It is formed in one piece. Each fixed terminal piece 15°16,
17 have self-locking pieces 15a, 16a, respectively.
17a is incorporated. Furthermore, each terminal piece 15.1
A connecting piece portion 34 is formed at the upper edge of the 6° 17 portion. Furthermore, fixed contact pieces 18.19 that face each other vertically extend from the terminal pieces 15.16 arranged in parallel on the negative side, and fixed contacts 20.21 are attached to the tips of the fixed contact pieces 18.19, respectively. It is being

Also, the terminal piece 15 and 16 on the one side and the terminal piece 1 on the other side.
A terminal piece 22 is disposed at the bottom of the container body 11 between the terminal piece 7 and the container body 11 . This terminal piece 22 has a bent recess 23 which is open upwardly and laterally. Further, in this receiver, the lower end portion of a fulcrum piece portion 25 protruding downward from one end of a movable piece 24 made of a conductive metal plate is supported in the concave portion 23 so as to be able to rotate in reverse.

The other end of this movable piece 24 is located between the fixed contacts 20 and 21, and the fixed contacts 20 and 21 are located on both sides of the other end of this movable piece 24.
A movable contact 26 is attached that can be moved toward and away from the contact point at an angle of 0.21 mm. Further, engagement piece portions 27 bent upward are formed on both side edges of the movable piece 24, and an engagement portion 28 cut out in a tapered shape is provided on the upper edge of this engagement piece portion 27. . Terminal piece 2 supports this movable piece 24 in a reversible and swingable manner.
The movable piece 2 is placed in the recess 23 as shown in FIG.
On both sides of the surface of the fulcrum piece 25 of No. 4 facing the swinging direction, protruding strips 29 of rib strips are formed so as to protrude from each other.
5 is prevented from sliding on the bottom of the recess 23. Further, the terminal piece 22 is electrically connected to the fixed terminal piece 17 via a transformer (not shown).

Further, 30 is a circuit board to which display elements such as a neon lamp 31, a light emitting diode 32, a resistor, a diode, etc. are connected. This circuit 11130 is connected to the connecting piece portions 34 of the terminal pieces 15, 16, and 17.

Further, the lid body 12 is attached to the upper opening of the container body 11 using metal fittings 33, and operation window holes 35, 35 are formed on both sides of the upper surface of the lid body 12.
Display window holes 37 and 38, through which the light from the neon lamp 31 and the light emitting diode 32 pass, are formed on both inclined surfaces of the protrusion 36, which is located at 1'll and protrudes in a substantially triangular shape. Further, a substantially concave V-shaped bearing portion 39 is formed at the center of the inner surface of the lid body 12 in correspondence with the protruding portion 36 .

Next, 40 is an operator, which is placed between the circuit 11130 and the lid 12, and has an opening 41 formed in the center in which the neon lamp 31 and the light emitting diode 32 are placed.
Bearing portions 3 of the lid body 12 are located on the left and right sides of this opening 41.
A substantially triangular shaft support 42 is formed that swingably engages with the shaft support 9 . Further, the operator 40 is provided with cover mounting projections 43, 43 located at both ends of the opening 41 and projecting upwardly and outwardly from the operation window hole 35 of the lid body 12.
This cover is attached to the protrusion 43, and the cover is attached to the recess 4.
4 is formed, and a cover receiving piece 45 is formed in the recess 44 to attach the cover.
．． 45 are fitted respectively. Also, this operator 40
An operating shaft 46 is integrally provided on the lower surface of the operating shaft 46 in a downwardly inclined manner, and a coil-shaped spring 47 is fitted onto the operating shaft 46.
is in contact with the bottom surface of. A long hole 48 is passed through the lower end of the operating shaft 46 of the operating element 40 in the axial direction, and an engaging shaft 49 is inserted through the long hole 48. Hold the other end without pulling it out. Further, this engagement shaft 49 is engaged with an engagement portion 28 formed on the upper edge of the engagement piece portion 27 of the movable piece 24. The shaft support 42 of this operator 40 is brought into contact with the bearing portion 39 of the lid body 12 by the spring 47, and the engagement shaft 49
is engaged with the engaging portion 28 of the movable piece 24, so that the operator 40 is swingably supported, and as the operator 40 swings in reverse, the movable piece 24 is caused to swing in the opposite direction.

Reference numeral 50 designates a cover for the operator 40, and an engaging leg 51 is provided on the inner surface of the cover 50 to protrude from the operating window hole 35, 35 of the lid body 12. The cover mounting part 43.43 is engaged in the recess 44 and is elastically held by the cover receiving piece 45.45.

Further, a window 52 formed in the center of the cover 50 is provided with a prism 53 for guiding the light from the neon lamp 31 and the light emitting diode 32.

Further, the switch body 10 is fitted and held by a support 54, and the cover 50 is disposed in an opening of a decorative frame 56 attached to a plate 55 attached to the support 54.

Next, the operation of this embodiment will be explained.

First, the assembly will be explained.

The fixed terminal pieces 15, 17, and 17 are assembled into the container body 11, and the terminal piece 22 is also assembled, and then the movable contact 2 of the movable piece 24 is assembled.
6 is positioned between the terminal piece Is and the fixed contacts 20 and 21 of the fixed contact pieces 18 and 19 of 16, and the fulcrum piece 25 is connected to the terminal piece 22.
The receiver is engaged with the recess 23. Then terminal piece 15.16
．． The circuit board 30 is connected and fixed to 17, the spring 47 is fitted to the operating shaft 46 of the operating element 16, and the long hole 4 of the operating shaft 46 is fitted.
The engagement shaft 49 is inserted through the engagement shaft 49, and the spring 47 is stopped and locked by the engagement shaft 49. In this state, the operator 40 is fitted into the container body 11, and the retaining shaft 49 is attached to the movable piece. It engages with the engagement part 28 on the upper edge of the engagement piece part 27 formed at 24. In this state, the engaging shaft 49 of the operating element 40 is engaged with the engaging portion 28 of the movable piece 24, and the operating element 40 is swingably supported. The diode 32 is made to protrude. Next, the lid body 12 is attached to the vessel body 11.
When the operator 40 is attached, the shaft supports 42 on both sides of the operator 40 are brought into contact with the bearings 39 of the lid body 12 by a spring 47, so that the operator 40 is swingably supported. The lid body 12 covers the upper opening of the container body 11, and also covers the display window holes 31° and 38 of the lid body 12.
The neon lance 31 and the light emitting diode 32 are exposed to the surface, and when the cover of the operator 40 is attached to the operation window hole 35 of the lid body 12, the projections 43 and 43 protrude. The cover 50 is attached to the recess 44 using the legs 5.
1 and held by the cover receiving pieces 45 and 45.

In addition, when opening/closing the operation, when the protruding side of the cover 50 of the operator 40 is pressed, the operator 40 moves between the shaft supports 42 on both sides.
The spring 47 that is engaged with the bearing part 39 of the lid body 12 swings and rotates stably and reliably, and the spring 47 that is fitted to the operating shaft 46
While compressing the movable piece 24 , the engaging shaft 49 engages with the engaging part 28 on the upper edge of the engaging piece part 27 formed on the movable piece 24 .
When the movable piece 24 swings, the movable piece 24 moves between the fulcrum piece 25 and the terminal piece 2.
The receiver 2 swings when engaged with the recess 23, and the movable contact 26 of the movable piece 24 is brought into contact with and separated from the fixed contact 20, 21. At this time, the operator 40 is tilted to the opposite side, the spring 47 is expanded, and the movable piece 24 is held in an inverted state.

In addition, by the movable contact 26 coming into contact with and separating from the fixed contact 20.21, the neon lamp 31 and the light emitting diode 32
are lit alternately.

Further, in the above embodiment, the contact 26 is the fixed contact 20,
Although the description has been made of a switch that alternately connects and disconnects the contacts 21, the present invention can also be applied to a switch with one fixed contact.

[Effects of the Invention] According to the present invention, the operator has an opening in the center that faces the display element disposed in the center of the container, and a shaft on both sides of the opening that can be rotated in the container. Since the supported shaft support has been formed, when assembling the device body, a terminal piece with a fixed contact and a movable piece with a movable contact that connects and separates from this fixed contact and can be reversed and swung are assembled. A display element connected to a terminal piece is placed in the center of the device body, and in this state, the shaft supports on both sides of the operator are supported in a swingable manner by the device body, so that the light from the display element is transmitted through the shaft support of the operator. The operator can be confirmed through the opening in the center of the operator without being blocked by light, and the operator is reliably supported by the shaft supports on both sides so that it can be rotated in reverse, ensuring reliable oscillation, and the display element displaying the same information as the operator. There is no light blocking, there is little light loss, the operator can be easily incorporated, the @ structure is simple, and assembly is easy.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view of a switch showing one embodiment of the present invention, and FIG. 2 is an exploded perspective view of the same. 11... Container body, 15.16.17... Terminal piece, 20.2
1. Fixed contact, 24. Movable piece, 31. Neon lamp of display element, 32. Light emitting diode of display element, 4
0...Operator, 41...Opening, 42...Axis support.

Claims (1)

[Claims] (1) A terminal piece provided with a fixed contact, a movable piece provided with a movable contact that contacts and separates from the fixed contact and capable of reversing and swinging, and an operator that is swingably supported and causing the movable piece to reversely swing. and a display element that is disposed in the center of the container and blinks in response to contact/separation between the movable contact and the fixed contact, and the operator is provided with the 1. A switch characterized in that an opening facing a display element is formed, and pivot supports are formed on both sides of this opening.