JP2924656B2 - Rotary switch with push button switch - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary switch with a push-button switch, wherein the push-button switch can be operated by an operating body for operating the rotary switch.

[0002]

2. Description of the Related Art For example, as this type of switch, there is a switch having a structure disclosed in Japanese Patent Laid-Open No. Hei 4-273015. As shown in FIG. 5, a rotary encoder 2 and push button switches 3, 4 are provided in a case 1 as shown in FIG. The operation shaft 5 of the rotary encoder 2 is provided so as to protrude above the case 1, and an operation knob 6 is provided at a protruding end of the operation shaft 5.

On the outer periphery of the operation shaft 5, actuators 3a, 4a as push button portions of the push button switches 3, 4 are provided.
Is mounted with an operation shaft 7 for pushing the
Protrusions 7a, 7b for pushing the actuators 3a, 4a are provided on the outer peripheral surface of the operation shaft 7 corresponding to the actuators 3a, 4a, respectively.

[0004] The rotary encoder 2 is made freely operable by turning operation of the operation knob 6, and the operation knob 6 is pushed in the axial direction of the operation shaft 5, whereby each protrusion of the operation shaft 7 is operated. The actuators 3a and 4a of the push button switches 3 and 4 can be pushed and operated by the switches 7a and 7b.

[0005]

However, according to the structure of the conventional rotary switch with a push button switch, the pushing direction of the operation knob 6 at the time of operating the push button switches 3 and 4 and the push button switches 3, 4 Since the directions in which the actuators 3a and 4a are pushed in are perpendicular to each other, the good operation feeling of the push button switches 3 and 4 itself is lost, and the push button switches 3 and 4 are turned on. It is difficult to judge whether it is from the operation feeling, and there is a drawback that reliability is lacking.

SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a rotary switch with a push-button switch that ensures a good operation feeling and is excellent in reliability.

[0007]

A technical means for achieving the above object comprises a rotary switch element and a push button switch element, and an operation shaft provided on the rotary switch element is provided with an operation shaft rotating operation. In the rotary switch with a push button switch, the operating body is mounted, and the push button unit provided in the push button switch element is enabled to be pushed by the axial movement of the operating axis of the operating body.
The rotary switch element and the push button switch element are mounted on a substrate so that the pushing direction of the push button section is parallel to the axis of the operation axis, and the push button section is located on the side opposite to the projecting side of the operation axis. The operating shaft is protruded from one end of the substrate holding case, and the operating body is mounted on a protruding portion of the operating shaft, and the substrate holding case is disposed on the substrate holding case. The other end of the push shaft is supported on the base case side so as to be relatively non-rotatable about the axis of the operation shaft and slidable in the axis direction, and corresponds to the axis direction of the push button on the base case side. In that a push button pressing portion for operating the push button portion is provided at the position indicated by the arrow.

Further, a structure may be employed in which an urging body for urging and urging the substrate holding case in a direction in which the push button portion and the push button pressing portion are separated from each other is mounted on the base case side.

Further, the base case has a mounting base having a mounting portion, and the other end side of the substrate holding case is supported in one end portion so as to be relatively non-rotatable around the axis and slidable in the axis direction. In addition, a structure may be adopted in which the other end comprises a guide cylinder fixed to the mounting base, and the urging body is mounted between the substrate holding case and the mounting base in the guide cylinder.

[0010]

According to the present invention, since the operating direction of the operating body when operating the push button portion of the push button switch element and the pushing direction of the push button portion coincide with each other, the operation does not cause excessive force and is durable. In addition to improving the operability, the good operation feeling of the push button switch element itself is not lost, and it can be easily determined from the operation feeling whether the push button switch is turned on, and the reliability is improved. improves.

When the pushing force on the operating body is released, the substrate holding case is returned to the initial position by the elastic biasing force of the biasing body, and the contact of the push button pressing portion with the push button portion is released.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 to 4, reference numeral 10 denotes a rotary switch with a push button switch for various settings such as speed, time, distance, and temperature. A case 11, a substrate holding case 15 on which a substrate 14 provided with a rotary switch element 12 forming a rotary switch and a push button switch element 13 forming a push button switch, and an operation provided on the rotary switch element 12 An operation knob 17 is mounted on the shaft 16 and serves as an operation body for rotating the operation shaft 16.

As shown in FIG. 1, a rotary switch element 12 is provided at one end on the upper surface side of the substrate 14 so that an operation shaft 16 protrudes in one side, and a central portion on the upper surface side of the substrate 14 is provided. Is disposed in a state where the pushing direction of the push button portion 18 of the push button switch element 13 is parallel to the axis of the operation shaft 16 and the push button portion 18 is located on the side opposite to the projecting side of the operation shaft 16. Have been. Further, a connector 19 for connecting these wirings is mounted on the other end on the upper surface side of the substrate 14.

At this time, each rotary switch element 12,
The push button switch element 13 and the connector 19 are arranged in a line along the axial direction of the operation shaft 16.

The substrate holding case 15 has a lid 1 on one side.
It has a closed-end cylindrical shape closed at 5a, and a pair of holding grooves 20 are provided on the lower side of the substrate holding case 15 so as to face each other along the axial direction. And the substrate 1
4 are fitted and fixed to both holding grooves 20 by press fitting or bonding. At this time, the operation shaft 16 of the rotary switch element 12 is inserted into an insertion hole 15b formed at the center of the lid 15a, and the board holding case 15
Is formed to protrude from one end side.

The operating shaft 16 has a noncircular cross-section with a cutout on one side of the peripheral surface, and an operating knob 17 is fixed to the operating shaft 16 by press fitting or the like so that it cannot be relatively rotated. . The peripheral portion of the operation knob 17 is connected to the board holding case 15.
Is extended in a cylindrical shape so as to be fitted to the outer periphery of one end portion so as to be relatively rotatable.

The base case 11 comprises a mounting base 22 and a guide tube 23, and the guide tube 23
The other end of the substrate holding case 15 is supported so as to be relatively non-rotatable around the axis of the operation shaft 16 and to be slidable in the axial direction. For example, a plurality of ridges or grooves in the axial direction are formed on the inner peripheral surface of the guide cylinder 23, and the ridges or grooves are relatively slidably fitted on the outer peripheral surface of the corresponding substrate holding case 15. A plurality of grooves or ridges in the axial direction to be formed are formed. The outer peripheral surface of the other end portion side of the substrate holding case 15 is formed in a non-circular cross-section, and the inner peripheral surface side of the guide cylinder portion 23 is also formed in a corresponding non-circular hole, and the relative rotation around the axis is performed. A structure that is immovable and slidable in the axial direction may be used.

A locking rib 24 is formed on one end edge of the guide cylinder 23 so as to protrude radially inward.
The other end of the substrate holding case 15 is locked in a retaining shape. The other end of the guide cylinder 23 is attached to the mounting base 2.
2 is externally fixed to one end.

The mounting base 22 is formed in a curved cylindrical shape, and a mounting flange portion 25 as a mounting portion is provided on the other end portion so as to protrude outward.

On one end side of the mounting base 22 to which the guide cylinder 23 is fixed, a small-diameter cylinder 27 having a small diameter is provided via a step 26 so as to protrude toward the substrate holding case 15. A coil spring 28 as an urging member is compressed and mounted between the step 26 and the other end surface of the substrate holding case 15. The coil spring 28 resiliently urges the board holding case 15 in the axial direction of the operation shaft 16, which is separated from the mounting base 22.

Further, the small-diameter cylindrical portion 2 is located at a position appropriately separated from the push button portion 18 in the axial direction of the operation shaft 16.
7 is provided with a push button pressing portion 29 extending from one edge.

In FIG. 1, reference numeral 30 denotes a lead wire.
One end is connected to the connector 19, and the other end is appropriately connected to a main unit for controlling various functions (not shown).

The embodiment of the present invention is configured as described above, and the mounting flange portion 25 of the base case 11 is mounted and fixed to a desired position of a vehicle or the like by screwing or double-sided tape.

When the rotary switch element 12 is operated, the program setting or the circuit setting can be switched by rotating the operation knob 17 about the axis of the operation shaft 16 as appropriate. Button switch element 13
Is operated, the operation knob 17 is pushed in against the resilient urging force of the coil spring 28 so that the board holding case 15 and the board 14 are integrally pushed in the axial direction of the operation shaft 16. Here, the push button portion 18 is relatively pushed by the push button pressing portion 29.

In this case, the operation direction of the operation knob 17 when operating the push button portion 18 of the push button switch element 13 and the pushing direction of the push button portion 18 coincide with the axial direction of the operation shaft 16. Therefore, the operation is not overdone, the durability can be improved, and the good operation feeling of the push button switch element 13 itself is not lost, and it is determined whether or not the push button switch is turned on by the operation feeling. It is easy to judge from the ring, and the reliability is improved.

Further, since the rotary switch element 12 and the push button switch element 13 are provided on the same substrate 14 and the substrate 14 itself is moved in the axial direction of the operation shaft 16, the rotation of the operation knob 17 is performed. The push button portion 18 of the push button switch element 13 can be operated irrespective of the moving position, and the usability is excellent.

Further, when the pushing force on the operation knob 17 is released, the position of the substrate holding case 15 is returned to the initial position by the resilient biasing force stored in the coil spring 28,
The contact of the push button pressing portion 29 with the push button portion 18 is released.

Further, since the substrate holding case 15 is elastically biased toward the locking rib 24 by the elastic urging force of the coil spring 28, the rattling of the substrate holding case 15 can be effectively prevented.

In addition, since the rotary switch element 12, the push button switch element 13, and the connector 19 are arranged on the same substrate 16, the assembly workability is improved, the manufacture becomes easy, and the manufacturing cost can be reduced.

Further, by arranging the rotary switch elements 12, the push button switch elements 13 and the connectors 19 on the substrate 14 in a line along the axial direction of the operation shaft 16, a more elongated and compact structure is obtained. can do.

In the above embodiment, the structure in which the coil spring 28 is used as the urging member is shown. However, an elastic body such as rubber may be used, and the spring 28 is not limited to the embodiment. Further, instead of the connection of the connector 19, a structure in which the respective lead wires 30 are directly soldered to the substrate 14 may be employed. Further, when a large number of switching operations are required, a dip switch type rotary switch element 12 can be used.

[0032]

As described above, according to the rotary switch with the push button switch of the present invention, the pushing direction of the push button portion of the push button switch element is parallel to the axis of the operation axis of the rotary switch element. The rotary switch element and the push button switch element are disposed on the substrate so that the push button portion is located on the side opposite to the projecting side of the operation shaft, and the substrate is fixed to the substrate holding case and The operation shaft has a protruding shape from one end side, an operation body is mounted on a protruding portion of the operation shaft, and the other end of the substrate holding case is relatively non-rotatable around the axis of the operation shaft, and A push button pressing portion for operating the push button portion is provided at a position corresponding to the axial direction of the push button portion on the base case side slidably in the center direction. , Push button Since the operation direction of the operation body when operating is the same as the pressing direction of the push button portion, the operation is not overloaded, the durability can be improved, and the push button switch element itself has Good operation feeling is not lost, and it can be easily determined from the operation feeling whether the push button switch is turned on, and there is an advantage that reliability is improved.

Further, if the urging body for urging and urging the substrate holding case in a direction in which the push button portion and the push button pressing portion are separated from each other is mounted on the base case side, the operating member By releasing the pushing force, there is an advantage that the substrate holding case returns to the initial position due to the elastic biasing force of the biasing body, and the contact of the push button pressing portion with the push button portion is released.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is an overall side view of the same.

FIG. 4 is an overall perspective view of the same.

FIG. 5 is an explanatory diagram showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Rotary switch with push button switch 11 Base case 12 Rotary switch element 13 Push button switch element 14 Substrate 15 Substrate holding case 16 Operation axis 17 Operation knob 18 Push button part 22 Mounting base 23 Guide cylinder part 25 Mounting flange part 28 Coil spring 29 Push Button pressing part

Claims (3)

(57) [Claims] A rotary switch element and a push button switch element, wherein an operation body for operating shaft rotation is mounted on an operation shaft provided on the rotary switch element, and an axis of the operation shaft of the operation body. In a rotary switch with a push button switch in which a push button portion provided in the push button switch element is capable of being pushed by directional movement, a pushing direction of the push button portion is parallel to an axis of the operation axis, A rotary switch element and a push button switch element are provided on the substrate so that the push button portion is located on the side opposite to the projecting side of the operation shaft, and the substrate is fixed to the substrate holding case and The operating shaft has a protruding shape from one end side, the operating body is mounted on a protruding portion of the operating shaft, and the other end of the substrate holding case does not rotate relatively around the axis of the operating shaft. And a push button pressing portion for operating a push button portion is provided at a position corresponding to the axial direction of the push button portion on the base case side so as to be slidable in the axial direction. A rotary switch with a push button switch, comprising: 2. An urging body for resiliently urging the substrate holding case in a direction in which the push button portion and the push button pressing portion are separated from each other is mounted on the base case side. A rotary switch with a push button switch according to 1. 3. The base case has a mounting base having a mounting portion, and the other end side of the substrate holding case is supported in one end portion so as to be relatively non-rotatable about the axis and slidable in the axis direction. And a guide cylinder fixed at the other end to the mounting base, wherein the urging body is mounted between the substrate holding case and the mounting base in the guide cylinder. Item 2. A rotary switch with a push button switch according to item 2.