JPH0534635U - Switch for printed circuit board - Google Patents

Abstract

(57) [Abstract] [Purpose] By making the contact mechanism part consisting of the switch base and the movable contact piece that protrudes the receiving piece and the fixed contact piece and the switch body common, inventory management is easy and automation of assembly is possible. The object is to obtain an excellent printed circuit board switch. [Structure] A switch base body 6 in which a receiving piece 7 and a fixed contact piece 10 which are main parts of a tilt switch and a push button switch are projected.
And the movable contact piece 11 and the switch body 15 are shared,
The above switch can be obtained only by changing the handles 19, 23, the springs 22, 27, and the actuators 21, 26.

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch for a printed circuit board, and more particularly to a switch for a printed circuit board in which a tilt switch and a push button switch having a contact mechanism section and a switch body in common can be manufactured.

[0002]

[Prior Art]

 Conventionally, as shown in FIG. 7, this kind of switch for a printed circuit board has a common height a and a ′ from the switch base of the tilt switch and the push button switch to the switch body and heights b and b ′ to the sleeve. Therefore, the structure of the contact mechanism is different for the tilt switch and the push button switch. Furthermore, the shape of the switch body is different due to the difference in the shape of the handle, and the switch body for the tilt switch and the switch body for the push button switch were prepared as separate parts.

[0003]

[Problems to be solved by the device]

 However, the above-mentioned printed circuit board switch has a doubled number of parts in manufacturing tilting switches and pushbutton switches, and the number of jigs and tools necessary for manufacturing, as well as the number of jigs and tools necessary for assembly, increase the number of parts. Processing and inventory management were complicated. In addition, since the appearance of the switch body is the same, many parts were mixed or mistaken during processing and assembly, and it was desired to standardize the parts. SUMMARY OF THE INVENTION It is an object of the present invention to eliminate the above problems, provide common parts, and provide a printed circuit board switch with easy inventory control.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention is provided with a plurality of receiving pieces 7 and fixed contact pieces 9 projecting from the upper surfaces of a switch main body 15 having a sleeve 16 and a switch base body 6, and a lower terminal. A switch which is provided with 8 and 10 projecting, an elastic plate placed on the receiving piece 7 is bent in a U-shape, and the movable contact piece 11 formed in a clip shape is tilted to open and close. The movable contact piece 11 mounted on the base body 6 and the receiving piece 7, and further the switch body 15 are commonly used, and by changing only the handle-related portion, it is possible to manufacture either a tilting switch or a push button switch.

[0005]

[Action]

 According to the present invention, since it is configured as described above, the switch base 6 provided with the receiving piece 7 and the fixed contact piece 9 and the contact mechanism portion composed of the movable contact piece 11 and the switch main body 15 are made common, for example, tilting. A push-button switch can be manufactured by changing only the handle 19, spring 22, and actuator 21 of the switch, and the assembly jig / tool required at the time of assembly can be shared for the above reasons.

[0006]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is a front sectional view showing an embodiment of the present invention in a tilting switch, FIG. 2 is a front sectional view showing an embodiment of the present invention in a push button switch, and FIG. 3 is an enlarged perspective view showing a contact mechanism portion of the present invention. FIG. 4 is a perspective view of the switch body, FIG. 5 is an enlarged cross-sectional view of an engaging portion between the movable contact piece and the receiving piece, and FIG. 6 is a front view of the handle. In these figures, 6 is a switch base, 7 is a receiving piece, 8 is a common terminal, 9 is a fixed contact piece, 10 is a contact terminal, 11 is a movable contact piece, 12 is a contact portion, 13 is a through hole, and 14 is a protrusion. Is. A receiving piece 7 projecting substantially in the center of the upper surface of the switch base body 6, fixed contact pieces 9 on the left and right sides thereof, and a common terminal 8 and a fixed terminal 10 projecting on the lower surface thereof are planted. Although a sphere is formed above the receiving piece 7, it may be integrally formed by processing the header, or may be integrally formed by fitting another component having a hole in the sphere into concave and convex portions. The movable contact piece 11 is formed by bending an elastic plate in a U-shape to form a clip shape, an upper surface of which is a flat surface, and one of the left and right sides thereof is bent upward to form a protrusion 14. Both ends of the movable contact piece 11 become contact portions 12 where elastic plates face each other, and the fixed contact piece 10 is clipped. The contact portion 12 is curled outward so that the fixed contact piece 9 can be easily clipped. Through holes 13 are provided so as to face substantially the central portions of both side surfaces of the movable contact piece 11 formed in a clip shape. When the through hole 13 is elastically engaged with the spherical portion, the upper surface of the spherical portion and the lower surface of the movable contact piece 11 come into contact with each other, and the movable contact piece 11 makes a seesaw motion to the left and right with the engaging portion as an axis. , The fixed contact pieces 10 arranged on the left and right are alternately clipped.

FIG. 1 shows an embodiment in which the present invention is applied to a tilting switch, and a contact mechanism portion configured as described above is provided with a through hole 17 in an upper surface thereof, and a step portion 18 is formed in a sleeve 16. The handle 19 provided with the sphere portion 20 is projected, and the step portion 18 prevents the handle 19 from being pulled out upward. A hole is formed in the lower surface of the handle 19, and the actuator 21 is inserted through the spring 22. It slides on the upper surface of the movable contact piece 11. Protrusions 29 are provided on the inner surfaces of the switch body 15 which face each other, and the protrusions 29 are combined with the switch base 6 and the switch body 15 with the contact portions 12 of the movable contact 11 being clipped. Since the tilting is guided, the movable contact piece 11 is not affected even if the handle 19 is loosened, so that the tilting can be performed smoothly.

FIG. 2 shows an embodiment in which the present invention is applied to a push button switch. A handle 23 having a cylindrical step portion 24 is inserted into the sleeve 16 and brought into contact with the step portion 18 in the sleeve 16. The grip 23 is prevented from coming off. A recess 25 is formed on the lower surface of the handle 23, and at the same time, the actuator 26 is eccentric to the left and right. One end of the spring 27 is disposed in the recess 25, and the other end is engaged with the protrusion 14 provided on the movable contact piece 11 to be assembled. When the handle 23 is pressed, the operator 26 presses the upper surface of the movable contact piece 11 and the fixed contact piece 10 on the operator 26 side is clipped by the contact portion 12 to make contact. When the pressing of the grip 23 is released, the grip 23 is returned upward by the spring 27, and the movable contact piece 11 tilts to clip the fixed contact piece 10 on the spring 27 side. As shown in FIG. 3, a contact mechanism portion including a switch base 6 provided with a receiving piece 7 and a fixed contact piece 9 and a movable contact piece 11, and parts of the switch body 15 are made common, and a grip 19 and a spring are provided. The tilt switch and push-button switch can be manufactured only by changing the actuator 22 and the actuator 21. Therefore, since the switch body of the tilt switch and the push button switch are shared, the diameter X of the ball portion of the handle 19 of the tilt switch and the diameter Y of the handle 23 of the push button switch are substantially the same corresponding to the inner shape of the sleeve 16. Is formed.

FIG. 5 shows an engaging portion between the movable contact piece 11 and the receiving piece 7, and FIG. 5A shows the movable contact piece 11 according to the above embodiment, in which through holes 13 are provided on both side surfaces. B) is an embodiment in which a spherical concave portion 28 is provided on the inner surface of the movable contact piece 11. A recess 28 is provided so as to surround the spherical portion of the receiving piece 7, and the elasticity of the movable contact piece 11 is used to engage the concave and convex portions. FIG. 6 is a front view of the handle of the present invention. FIG. 6A shows a tilt switch handle 19 and FIG. 6B shows a push button switch handle 23. The diameter X of the ball portion of the handle used for the tilt switch and the diameter Y of the cylindrical portion of the handle used for the push button switch are substantially the same, and both handles are inserted into the sleeve 16 of the switch body 15. As described above, since the contact mechanisms are the same, the tilting switch of FIG. 1 and the push button switch of FIG. 2 have the same height a to the switch base and switch body and height b to the sleeve upper surface. Both switches can be easily installed and used on the same device. The present invention is not limited to the above embodiments, and various modifications can be made based on the spirit of the present invention, and these modifications are not excluded from the scope of the present invention.

[0010]

[Effect of the device]

 As described in detail above, according to the present invention, the following effects can be obtained. (1) Since most of the main components of the tilt switch and push-button switch, such as the switch base, the movable contact, and the switch body, are shared, it is possible to prevent differences in components and facilitate component management.

(2) Both the tilt switch and the push button switch have the same outer dimensions of the switch body, and most of the constituent parts are common parts, so that the jigs and tools used for assembly and the automatic assembly machine can be shared. The large amount of money required for this can be significantly reduced, and thus the investment efficiency is high despite the large variety of products.

(3) Since the switch body is also used as the tilt switch and the push button switch, the height is the same, and even when the tilt switch and the push button switch are used together on the printed circuit board, the whole can be manufactured compactly. When the panel is provided on the upper surface of the switch facing the printed circuit board, the upper surface of the sleeve or the operation portion can be aligned, so that a device having a good design can be manufactured.

[0013]

[Brief description of drawings]

FIG. 1 is a front sectional view of the present invention applied to a tilt-type switch.

FIG. 2 is a front sectional view of the present invention applied to a push button switch.

FIG. 3 is an enlarged perspective view showing a contact mechanism portion of the present invention.

FIG. 4 is a perspective view of a switch body of the present invention.

FIG. 5 is a sectional view of an essential part showing an engaging portion of a movable contact piece and a receiving piece of the present invention.

FIG. 6 is a front view of the handle of the present invention.

FIG. 7 is a perspective view of a conventional printed circuit board switch.

[Explanation of symbols]

 6 Switch base 7 Receiving piece 9 Fixed contact piece 11 Movable contact piece 12 Contact part 13 Through hole 14,22 Spring 15 Switch body 19,23 Handle

Claims (2)

[Scope of utility model registration request] 1. A cover lid having a sleeve and a receiving piece and a fixed contact piece projecting from the upper surface of a switch base, and a terminal projecting downwardly. The terminal is placed on the receiving piece and an elastic plate is provided in a U-shape. In a switch that is opened and closed by tilting a movable contact piece that is bent into a clip shape and is tilted, the movable contact piece that is mounted on the switch base and the receiving piece, and further the switch body is shared, and a handle-related portion A switch for a printed circuit board, which can be manufactured as either a tilt switch or a push button switch by changing only the above. 2. A switch for a printed circuit board, in which a push-button switch can be manufactured by changing a handle, a spring, and an actuator that are associated with a handle of the tilt switch.