JPH0743906Y2 - Switch contact structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a switch contact structure in which a rotary switch and a push switch are integrated.

(Prior Art) Conventionally, as a switch in which a rotary switch and a push switch are integrated, for example, a switch shown in FIG. 12 is known.

That is, the rotary switch 41 includes the rotary operation knob 42.
The rotary block 45 housed in the rotary switch case 44 is rotated through the tubular portion 43 by rotating the rotary block 45, and the movable contact mounted on the rotary block 45 is rotated.
, 47 are brought into contact with and separated from any of rotary switch contacts 47, ..., 47 provided in a plurality of sets facing each other in the rotary switch case 44 to open and close the circuit.

On the other hand, the push switch 51 is the rotary operation knob 42.
Push operation knob 52 slidably mounted in the center hole 48 of
The slide block 55 housed in the push switch case 54 is slid through the rod 53 inserted in the tubular portion 43 by pushing the slide contact 55, and the movable contact 56 attached to the slide block 55 is A push switch contact 57 fixed to the push switch case 54 is brought into contact with and separated from the push switch contact 57.

(Problems to be Solved by the Invention) In the switch, the push operation knob 52 is slidably provided in the stop hole 48 of the rotary operation knob 42 so that the operation can be performed without waste.

Therefore, its structure is complicated, and in order to operate either the rotary switch 41 or the push switch 51, each knob must be operated, which is troublesome.

In addition, since the rotary switch 41 and the push switch 51 are separately provided, the occupied space becomes large, and the switch cannot be upsized.

Therefore, an object of the present invention is to provide a switch contact structure that has a simple structure, is easy to operate, and occupies a small space.

(Means for Solving the Problems) In order to achieve the above object, the present invention has a switch contact structure in which a plurality of pairs of rotary switch contacts provided on the same circumference so as to face each other, and Push switch contact provided on one side and provided on one end of the operating section,
It comprises an elastically deformable contact plate having a movable contact at the opposite end, and the rotary switch contacts are opened and closed by the rotation operation of the operation part, while the contact plate is crimped by the push operation of the operation part. The push switch contacts are opened and closed.

(Example) Next, an example of the contact structure of the switch according to the present invention will be described with reference to the accompanying drawings.

The switch 1 according to the first embodiment shown in FIGS. 1 to 3.
Is composed of a rotor 2, a contact plate 6, a terminal base 8 and a case 12.

The rotor 2 is composed of a substantially disk-shaped main body 3 and an operation shaft 4 projecting from the center of the main body 3. A knob (not shown) is attached to the tip of the operation shaft 4 shown at the left end in FIG. Has been.

The contact plate 6 is formed by bending a conductive thin plate made of a spring material into a substantially V shape, and movable contacts 7, 7 are provided at both ends thereof. The contact plate 6 is used for the rotor body 3
It is attached to the end surface of the sheet by heat staking 5.

As shown in FIG. 3, the terminal base 8 has a plurality of pairs of rotary switch contacts 10, ..., 10 facing each other and push switch contacts 11 ,, on the same circumference A, B centering on the point O.
, 11 are arranged at the same intervals and on the radiation centered on the point O.

Further, the shaft portion 4 of the rotor 2 is supported by a bearing portion 14 provided in the central portion of the case 12 so as to be rotatable and slidable in the axial direction.

In the normal state, the movable contacts 7, 7 of the contact plate 6 are pressed against the terminal base 8 by the spring force of the contact plate 6.

In the switch 1 having the above-described configuration, when the rotor 2 is rotated by operating the knob (not shown), the movable contacts 7, 7 are sequentially moved to the other rotary switch contacts 10, 10 of the terminal base 8.
Switch to and open / close the contact.

When the knob is pushed, as shown in FIG. 2, the axial movement of the rotor 2 causes the contact points 7 and 7 of the contact plate 6 to expand radially outward,
The movable contact 7 of the contact plate 6 opens and closes the push switch contacts 11, 11 as shown in FIG.

Also, if you release the knob and release the push state,
The contact plate 6 returns to its original shape by the spring force, and the contact of the movable contacts 7, 7 is switched from the push switch contacts 11, 11 to the rotary switch contacts 10, 10.

In other words, the movable contacts 7 and 7 contact the push switch contacts 11 and 11 only temporarily when the knob is pushed, so the wiper operation and washer fluid injection mechanism and headlight Switching means, for example, to turn on / off the headlight and to switch to the high beam by switching the rotary switch contacts 10 and 10 to temporarily switch to the high beam, so-called passing, to push switch contacts 11 and 11. This can be done by switching.

Next, the switch 21 according to the second embodiment shown in FIGS. 4 to 6 will be described.

As shown in FIG. 6, the contact plate 22 of this switch 21 is provided with opposing leg portions 24, 24 and 25, 25 having different lengths from the center portion 23 in four directions, and the tip portions of the long leg portions 24, 24 are provided. A movable contact 26 is provided at the front end of the short leg portion 25, and a convex portion 27 is provided at the tip of the short leg portion 25.

On the other hand, in the terminal base 28, as in the first embodiment, a plurality of rotary switch contacts 29, ..., 29 are arranged at the same intervals on the same circumference. Push switch contacts 30 are provided respectively. Also,
Between adjacent rotary switch contacts 29, 29, a recess 31 is provided outside the circumference where the rotary switch contact 29 is located, and a recess 32 is provided outside the recess 31. .

When the movable contacts 26, 26 make contact with the rotary switch contacts 29, 29, as shown by the chain double-dashed line in FIG. 5, the convex portion 27 engages with the concave portion 31, and the push switch contacts 30, 30. Since the convex portion 27 engages with the concave portion 32 when it comes into contact with, the rotating operation and the pushing operation of the rotor 2 can be performed moderately.

Further, in the third embodiment shown in FIG. 7, a protrusion 34 is provided immediately in front of the push switch contact 11 so that the movable contact 7 of the contact plate 6 can be overcome when it moves so that this operation can be suppressed. I try to give it a feeling.

In addition, in the first to third embodiments, as shown in FIG. 8, if the pedestal portion 9 is provided on the terminal base 8, the inner surface of the contact plate 6 is pushed to the pedestal portion 9 by pushing the knob. The contact plate 6 can easily be radially expanded as shown by the chain double-dashed line.

Further, in each of the above embodiments, the push switch contacts 11, 30
The rotary switch contacts 10 and 29 are provided at a plurality of locations, but as shown in FIG.
You may provide continuously in a place.

Further, as in the fourth embodiment shown in FIGS.
By providing the engaging concave groove 32 on the inner peripheral surface of the second bearing portion 14 and providing the engaging convex portion 33 on the outer peripheral surface of the shaft portion 4 of the rotor 2 projecting from the bearing portion 14, the rotor 2 is predetermined. The push operation may be performed only at the position. This way
The push operation can be performed only at a desired position, and malfunction can be prevented.

(Effect of the Invention) As is apparent from the above description, in the contact structure of the switch according to the present invention, the rotary switch contact and the push switch contact are formed in the same plane. Then, the movable contact provided on the contact plate is brought into contact with one of the rotary switch contacts by rotating the operating portion, and is pushed to switch from the rotary switch contact to the push switch contact. .

Therefore, it is not necessary to provide the rotary switch and the push switch at two places as in the conventional case, and the structure is simplified.

Moreover, since the occupied space is small, the switch itself can be downsized.

[Brief description of drawings]

1 and 2 are sectional views of a switch having a contact structure according to the present invention before and after pushing, FIG. 3 is a front view of a terminal base, and FIGS. 4 to 6 are second embodiments. FIG. 4 is a sectional view of the switch according to the second embodiment,
FIG. 5 is a front view of the contact plate, FIG. 6 is a perspective view of the contact plate, FIG. 7 is a partial sectional view in the vicinity of the contacts of the switch according to the third embodiment, and FIG. 8 is another embodiment of the terminal base. 9 is a sectional view showing another embodiment of the terminal base, FIGS. 10 and 11 are fourth embodiments, FIG. 10 is a sectional view of a switch, and FIG. 11 is FIG. 11 is a sectional view taken along line I-I of FIG. 12, and FIG. 12 is a sectional view of a conventional switch. 2 ... Rotor, 6 ... Contact plate, 7 ... Moving contact,
8 ... Terminal base, 10,29 ... Rotary switch contact, 11,30 ... Push switch contact.

Claims (1)

[Scope of utility model registration request] 1. A plurality of pairs of rotary switch contacts provided on the same circumference so as to be opposed to each other, push switch contacts provided outside the rotary switch contacts, and one end of the operation portion, and the opposite end portions thereof. An elastically deformable contact plate having a movable contact at the opening and closing of each rotary switch contact by the rotation operation of the operation portion, and a push operation of the operation portion to crimp and expand the contact plate. The switch contact structure is characterized in that the push switch contacts are opened and closed.