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EP3439007B1 - Druckknopfschalter - Google Patents

Druckknopfschalter Download PDF

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Publication number
EP3439007B1
EP3439007B1 EP17802927.8A EP17802927A EP3439007B1 EP 3439007 B1 EP3439007 B1 EP 3439007B1 EP 17802927 A EP17802927 A EP 17802927A EP 3439007 B1 EP3439007 B1 EP 3439007B1
Authority
EP
European Patent Office
Prior art keywords
pusher
portions
contact
skirt
push button
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17802927.8A
Other languages
English (en)
French (fr)
Other versions
EP3439007A1 (de
EP3439007A4 (de
Inventor
Takaaki Namekata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Polymatech Co Ltd
Original Assignee
Sekisui Polymatech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sekisui Polymatech Co Ltd filed Critical Sekisui Polymatech Co Ltd
Publication of EP3439007A1 publication Critical patent/EP3439007A1/de
Publication of EP3439007A4 publication Critical patent/EP3439007A4/de
Application granted granted Critical
Publication of EP3439007B1 publication Critical patent/EP3439007B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/64—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button switches
    • H01H13/66—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button switches the operating member having only two positions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/64—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/004—Depressions or protrusions on switch sites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/074—Properties of the membrane elastomeric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/008—Part of substrate or membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/018—Consecutive operations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/008—Rubber spring

Definitions

  • the present invention relates to push button switches mounted on, for example, domestic, on-board, and portable electrical devices to perform an input operation, and more particularly to a push button switch capable of performing a two-stage input operation in response to a single continuous pressing operation.
  • Push button switches have been widely used in, for example, domestic, on-board, and portable electrical devices.
  • a push button switch is configured to perform an on/off operation of a circuit when a pressing operation portion is depressed so that a movable contact provided on a pusher side comes into contact with a circuit contact provided on a circuit board side.
  • a skirt portion that elastically supports the pusher buckles to generate a clicking sensation, which the operator feels on their finger.
  • the operator is provided with a feel of operation.
  • PTL 1 discloses a push button which operates a plurality of switch actuating portions, which are arranged in parallel along a single plane, when a single key knob that serves as a pressing operation portion is depressed.
  • the push button switch according to PTL 1 includes a first switch actuating portion and second switch actuating portions positioned higher than the first switch actuating portion.
  • first, skirt portions of the second switch actuating portions, which are in contact with the key knob, buckle and movable contacts provided on the second switch actuating portions come into contact with fixed contacts on a circuit board.
  • a skirt portion of the first switch actuating portion buckles and the skirt portions of the second switch actuating portions further buckle so that a movable contact provided on the first switch actuating portion comes into contact with a fixed contact on the circuit board.
  • PTL 1 Japanese Unexamined Utility Model Registration Application Publication No. 61-149232 ( JP S61 149232 U ) which describes a push button switch comprising a pressing operation portion.
  • the key knob included in the push button switch described in PTL 1 has a large flat bottom surface that contacts the first switch actuating portion and the second switch actuating portions. Therefore, when the key knob is depressed, the skirt portions of the second switch actuating portions that buckle and are bent upward come into contact with the bottom surface of the key knob. As a result, the depression of the key knob is obstructed and a desirable clicking sensation cannot be easily generated.
  • the present invention has been made in light of the above-described problem, and an object of the present invention is to provide a push button switch that is capable of performing a two-stage input operation, that enables a pressing operation portion to be depressed without causing the pressing operation portion to interfere with other portions to achieve a smooth input operation, and that generates a desirable clicking sensation.
  • the present invention provides the following configuration.
  • a push button switch that comes into conductive contact with circuit contacts of a circuit board includes the features of claim 1.
  • the first pusher portion and the second pusher portion are apart from each other and has a gap therebetween, the first skirt portion and the second skirt portion that buckle and are bent upward can be received by the gap and do not come into contact with the pressing operation portion. Therefore, the pressing operation portion can be smoothly depressed.
  • the first pusher portion may be shorter than the second pusher portion.
  • the first pusher portion When the first pusher portion is shorter than the second pusher portion, a large space for accommodating the first actuating portion can be provided. Therefore, the height of the first skirt portion of the first actuating portion can be increased so that the first skirt portion easily buckles, and the first actuating portion can be easily depressed.
  • the first body portion may be shorter than the second body portion.
  • the first body portion is shorter than the second body portion, a large space for accommodating the first actuating portion can be provided. Therefore, the height of the first skirt portion of the first actuating portion can be increased so that the first skirt portion easily buckles, and the first actuating portion can be easily depressed.
  • the second skirt portion may be thinner than the second body portion.
  • the depression resistance applied to the pressing operation portion differs between the first-stage operation and the second-stage operation.
  • different clicking sensations can be generated in the first-stage operation and the second-stage operation.
  • the second body portion may have a recess portion at an end thereof.
  • the air in the second body portion can easily flow out of the second body portion when the second body portion is depressed by the second pusher portion. Accordingly, the second body portion can be easily compressed.
  • the second pusher portion may have a groove at an end thereof.
  • the air in the second body portion can easily flow out of the second body portion when the second body portion is depressed by the second pusher portion. Accordingly, the second body portion can be easily compressed.
  • the second pusher portion may have a protrusion at an end thereof.
  • the air in the second body portion can easily flow out of the second body portion when the second body portion is depressed by the second pusher portion. Accordingly, the second body portion easily buckles.
  • an electronic device including the push button switch according to the present invention provides an appropriate feel of operation and reduces the risk of misoperation when a user carries out a two-stage input operation of the electronic device.
  • a push button switch 1 which comes into conductive contact with circuit contacts of a circuit board, includes a plunger 2 that serves as a "pressing operation portion" and a switch actuator 3 provided below the plunger 2.
  • the push button switch 1 is capable of performing a two-stage operation.
  • the plunger 2 includes an elongated-plate-shaped main portion 23, a first pusher portion 21 that projects from the main portion 23 at a central position in a longitudinal direction thereof, and two second pusher portions 22 that project farther than the first pusher portion 21 does from the main portion 23 at both ends in the longitudinal direction thereof.
  • the plunger 2 has a top surface 23b that serves as an operation surface of the push button switch 1.
  • the plunger 2 may be made of any material, such as hard resin, metal, or wood, as long as the material is hard enough to be able to depress the switch actuator 3.
  • the first pusher portion 21 is rectangular and projects from a bottom surface 23a of the main portion 23 at a central position in the longitudinal direction thereof.
  • a width W1 of the first pusher portion 21 in a lateral direction thereof (longitudinal direction of the plunger 2) is greater than or equal to a diameter of a first actuating portion 31, which will be described below. Accordingly, the first actuating portion 31 can be reliably depressed when the plunger 2 is depressed.
  • the bottom surface of the first pusher portion 21 serves as a contact surface 21a that comes into contact with the first actuating portion 31.
  • the second pusher portions 22 are rectangular and project from the bottom surface 23a of the main portion 23 at both ends in the longitudinal direction of the plunger 2.
  • the first pusher portion 21 and the second pusher portions 22 are apart from each other with gaps defined by grooves 24 therebetween. Accordingly, even when a first skirt portion 312 and second skirt portions 322, which will be described below, buckle and are bent to be arched upward so that the bent portions reach a height above the upper ends of the second pusher portions 22, the bent portions are received by the gaps and prevented from coming into contact with the plunger 2 and obstructing the depression of the plunger 2.
  • a width W2 of the second pusher portions 22 in a lateral direction thereof is greater than or equal to a diameter of second actuating portions 32, which will be described below. Accordingly, the second actuating portions 32 can be reliably depressed when the plunger 2 is depressed.
  • the width W2 of the second pusher portions 22 is preferably greater than the diameter of the second actuating portions 32.
  • Such a configuration eliminates the risk that the plunger 2 will not be able to return to the initial position due to second body portions 321 of the second actuating portions 32 covering and engaging with the second pusher portions 22 when the second body portions 321 are compressed and deformed, as described below.
  • the bottom surfaces of the second pusher portions 22 serve as contact surfaces 22a that come into contact with the second actuating portions 32.
  • the switch actuator 3 is formed of a rubber elastic body, and includes an elongated-plate-shaped base portion 33, a first actuating portion 31 arranged to project above the base portion 33 and face the first pusher portion 21, and two second actuating portions 32 arranged to project above the base portion 33 and face the second pusher portions 22.
  • Examples of the material of the switch actuator 3 include synthetic rubbers and thermoplastic elastomers (TPEs), more specifically, silicone rubber, urethane rubber, fluorine rubber, nitrile rubber, ethylene propylene rubber, styrene-based TPE, olefin-based TPE, urethane-based TPE, and polyester-based TPE.
  • TPEs thermoplastic elastomers
  • silicone rubber is preferred because it has less variation in hardness at high and low temperatures, high durability, and smaller permanent compressive strain.
  • the base portion 33 is an elongated-plate-shaped member.
  • the first actuating portion 31 and the two second actuating portions 32 project from a top surface 33a of the base portion 33 and are aligned next to each other.
  • the first actuating portion 31 includes a first body portion 311 positioned to face the first pusher portion 21, the first skirt portion 312 continuously connected to a lower peripheral part of the first body portion 311, and a first movable contact 314 provided on the bottom of the first body portion 311.
  • the first body portion 311 has a solid cylindrical structure and is elastically supported by the first skirt portion 312 on the base portion 33.
  • the first body portion 311 includes a cylindrical pressing portion 313 that projects at the bottom thereof, and the first movable contact 314 is provided at the end of the pressing portion 313.
  • the first skirt portion 312 which is truncated-cone-shaped, stands on the base portion 33 and has a thickness less than that of the base portion 33.
  • the first skirt portion 312 elastically supports the first body portion 311 on the base portion 33.
  • the first movable contact 314, which is a conductive member, is formed by arranging, for example, a conductive coating film, a metal plate, or a thin metal wire on the bottom surface of the first body portion 311.
  • the second actuating portions 32 include second body portions 321 positioned to face the respective second pusher portions 22, second skirt portions 322 continuously connected to lower peripheral parts of the second body portions 321, and second movable contacts 324 provided below the second body portions 321.
  • the two second actuating portions 32 are provided around the first actuating portion 31.
  • the first actuating portion 31 and the two second actuating portions 32 are aligned next to each other.
  • the second body portions 321 have cylindrical structures with cavities 321a formed therein, and are elastically supported by the second skirt portions 322 on the base portion 33.
  • Pressing portions 323 having a solid cylindrical shape are continuously connected to the second body portions 321 by thin-walled connecting portions 325 at the bottom of the second body portions 321.
  • the second movable contacts 324 are provided at ends of the pressing portions 323.
  • the second body portions 321 and the first body portion 311 are at the same height.
  • the second skirt portions 322 elastically support the second body portions 321 on the base portion 33.
  • the second movable contacts 324 which are conductive members, are formed by arranging, for example, conductive coating films, metal plates, or thin metal wires on the bottom surfaces of the pressing portions 323.
  • the plunger 2 Since multiple second actuating portions 32 are arranged adjacent to the first actuating portion 31, the plunger 2 is not tilted when depressed, and can be easily vertically depressed.
  • the circuit board 4 includes a first circuit contact 42 and second circuit contacts 43 formed on a surface of a board body 41.
  • the first circuit contact 42 is positioned to face the first movable contact 314, and the second circuit contacts 43 are positioned to face respective ones of the two second movable contacts 324.
  • the first circuit contact 42 and the two second circuit contacts 43 are aligned next to each other.
  • the board body 41 is formed by applying a rolled copper foil to, for example, a flexible circuit board including a base composed of a polyethylene terephthalate film, a polyethylene naphthalate film, or a polyimide film or a rigid circuit board including a glass epoxy or glass composite base, and etching the copper foil into a desired circuit pattern.
  • a flexible circuit board including a base composed of a polyethylene terephthalate film, a polyethylene naphthalate film, or a polyimide film or a rigid circuit board including a glass epoxy or glass composite base, and etching the copper foil into a desired circuit pattern.
  • the first circuit contact 42 and the second circuit contacts 43 are made of a conductive metal, and are formed in a pattern including comb-shaped opposing portions or concentric circles.
  • the surfaces of the first circuit contact 42 and the second circuit contacts 43 are covered with a protecting layer, such as a gold plating film or a conductive layer made of carbon ink, to prevent corrosion.
  • a distance B between the first circuit contact 42 and the first movable contact 314 is less than a distance A1 between each second circuit contact 43 and the corresponding second movable contact 324. Since the distance B1 is less than the distance A1, a distance by which the plunger 2 is depressed in a second-stage operation, in which the plunger 2 receives a greater depression resistance than in a first-stage operation, can be reduced and operation load in the second-stage operation can be reduced accordingly.
  • the distance A1 between each second circuit contact 43 and the corresponding second movable contact 324 is equal to a height difference A2 between the first pusher portion 21 and the second pusher portions 22.
  • Fig. 1 illustrates the plunger 2 and the switch actuator 3 are in a separated state for convenience of description.
  • the second pusher portions 22 of the plunger 2 are in contact with the second body portions 321 of the second actuating portions 32, as illustrated in Fig. 4 , when the first-stage operation is started.
  • Fig. 4 shows the initial state of the push button switch 1.
  • the distance between each second movable contact 324 and the corresponding second circuit contact 43 is A1.
  • the distance between the contact surface 21a of the first pusher portion 21 and the top surface of the first body portion 311 is A2, which is equal to A1.
  • the distance between the first movable contact 314 and the first circuit contact 42 is B, which is less than A1.
  • the second skirt portions 322 buckle and are upwardly bent. Since the grooves 24 are formed in the plunger 2, the second skirt portions 322 in the bent state are received by the spaces defined by the grooves 24 and are prevented from coming into contact with the plunger 2. Accordingly, the second skirt portions 322 in the bent state are prevented from obstructing the depression of the plunger 2 by coming into contact with the plunger 2, and the plunger 2 can be smoothly depressed in the first-stage operation and the second-stage operation, which will be described below.
  • the second movable contacts 324 provided below the second body portions 321 come into contact the second circuit contacts 43 on the circuit board 4, and are electrically connected to the second circuit contacts 43.
  • the second pusher portions 21 are moved downward from the initial positions thereof by the distance A1, and accordingly the first pusher portion 21 is also moved downward by the distance A2, which is equal to the distance A1.
  • the first pusher portion 21 comes into contact with the first body portion 311.
  • the first-stage operation is completed.
  • the second movable contacts 324 are in contact with the second circuit contacts 43 and the first pusher portion 21 is in contact with the first body portion 311. Therefore, the resistance against the depression of the plunger 2 increases, and the user recognizes that the first-stage operation has been completed.
  • the second-stage operation is started.
  • the plunger 2 is further depressed from the position illustrated in Fig. 6
  • the second body portions 321 of the second actuating portions 32 are compressed, and the first skirt portion 312 of the first actuating portion 31 and the connecting portions 325 buckle. Accordingly, the first body portion 311 that is in contact with the first pusher portion 21 is depressed. At this time, the user feels a clicking sensation generated by the buckling of the skirt portion 312 and the connecting portions 325.
  • the first skirt portion 312 buckles and is upwardly bent. Since the grooves 24 are formed in the plunger 2, the first skirt portion in the bent state is received by the spaces defined by the grooves 24 and is prevented from coming into contact with the plunger 2. Accordingly, the first skirt portion 312 in the bent state is prevented from obstructing the depression of the plunger 2 by coming into contact with the plunger 2, and the plunger 2 can also be smoothly depressed in the second-stage operation.
  • the depression resistance in the second-stage operation needs to be greater than the depression resistance in the first stage.
  • the resistance in the first-stage operation depends only on the buckling resistance of the second skirt portions 322.
  • the resistance in the second-stage operation is the sum of the compressive resistance of the second body portions 321, which have a greater thickness and a greater resistance than the second skirt portions 322, and the buckling resistances of the first skirt portion 312 and the connecting portions 325.
  • the depression resistance in the second-stage operation is greater than the depression resistance in the first-stage operation. This enables the user to distinguish between the first-stage operation and the second-stage operation based on the feel of operation.
  • the connecting portions 325 that have buckled exerts an elastic restoring force that continuously presses the second movable contacts 324 against the second circuit contacts 43 during the second-stage operation. Accordingly, the second movable contacts 324 and the second circuit contacts 43 that are in conductive contact with each other can be prevented from becoming separated from each other during the second-stage operation.
  • the push button switch 1 includes the plunger 2 having the grooves 24 formed between the first pusher portion 21 and the second pusher portions 22. Therefore, the first skirt portion 312 and the second skirt portions 322, which buckle and are bent upward when the plunger 2 is depressed, are received by the spaces defined by the grooves 24 and are prevented from coming into contact with the bottom surface of the plunger 2.
  • first skirt portion 312 and the second skirt portions 322 in the upwardly bent state are prevented from obstructing the depression of the plunger 2 by coming into contact with the bottom surface of the plunger 2, and the plunger 2 can be smoothly depressed in both the first-stage operation and the second-stage operation.
  • first pusher portion 21 is shorter than the second pusher portions 22 on the main portion 23, a large space can be provided below the first pusher portion 21. Accordingly, a large space for accommodating the first actuating portion 31 can be provided, and the heights of the first body portion 311 and the first skirt portion 312 of the first actuating portion 31 can be increased.
  • the first skirt portion 312 As the heights of the first body portion 311 and the first skirt portion 312 are increased, the first skirt portion 312 more easily buckles. Therefore, the first actuating portion 31 can be more easily depressed in the second-stage operation.
  • the push button switch 1 is configured such that the first pusher portion 21 is shorter than the second pusher portions 22, so that the height of the first skirt portion 312 of the first actuating portion 31 can be increased to enable easy buckling of the first skirt portion 312.
  • a first body portion 311' may be formed to have a smaller height without changing the height of the first skirt portion 312, and a first pusher portion 21' may be formed to have the same height as the second pusher portions 22.
  • a first body portion 311' may be formed to have a smaller height without changing the height of the first skirt portion 312, and a first pusher portion 21' may be formed to have the same height as the second pusher portions 22.
  • components similar to those in Fig. 1 are denoted by the same reference signs.
  • a push button switch 1' having the above-described structure has effects similar to those of the push button switch 1 according to the above-described first embodiment.
  • the plunger 2' since it is not necessary to form the plunger 2' so that the first pusher portion 21' and the second pusher portions 22 have different heights, the plunger 2' can be more easily designed.
  • cross-shaped grooves 221 for releasing the air may be formed at the ends of the second pusher portions 22 of the plunger 2.
  • the grooves 221 enable the air in the second body portions 321 to easily flow out when the plunger 2 depresses the switch actuator 3. Accordingly, the second body portions 321 can be easily compressed.
  • the shape of the grooves 221 is not limited to a cross shape. However, when the grooves 221 are cross-shaped, the second body portions 321 can be prevented from receiving non-uniform pressing force.
  • Cross-shaped protrusions may be formed instead of the cross-shaped grooves 221 at the ends of the second pusher portions 22 of the plunger 2. Also in this case, effects similar to those of the cross-shaped grooves 221 can be obtained.
  • recess portions 326 may be formed at the ends of the second body portions 321 of the second actuating portions 32. Also in this case, the air in the second body portions 321 easily flows out, and the second body portions 321 can be easily compressed. When four recess portions 326 having the same shape are formed so as to extend in respective directions, the second body portions 321 can be prevented from receiving non-uniform pressing force.
  • the second body portions 321 are referred to as being tubular even when the recess portions 326 are formed therein.
  • the above-described push button switch 1 includes two second actuating portions 32
  • the number of second actuating portions 32 is not limited to two in the present invention, and may instead be one, or three or more.
  • the number of second pusher portions 22 of the plunger 2 is changed in accordance with the number of second actuating portions 32.
  • a structure for releasing air from the spaces surrounded by the base portion 33, the first actuating portion 31, the second actuating portions 32, and the circuit board 4 is preferably provided. Accordingly, for example, ventilation holes or air grooves for releasing air may be formed in the base portion 33 or the board body 41.
  • first actuating portion 31 and the two second actuating portions 32 are aligned next to each other in the above-described embodiment, the present invention is not limited to this, and any arrangement may be employed.
  • main portion 23 of the plunger 2, 2' is elongated-plate-shaped in the above-described embodiment, the present invention is not limited to this, and the main portion 23 may have any shape, such as a curved shape.
  • the second actuating portions include the connecting portions 325 capable of buckling and the pressing portions 323 connected to the connecting portions 325 in the above-described embodiments, the present invention is not limited to this.
  • the connecting portions 325 and the pressing portions 323 may be omitted, and the movable contacts 324 may be formed directly on the bottom of the tubular second body portions 321.

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Claims (6)

  1. Druckknopfschalter (1,1'), der in leitenden Kontakt mit Schaltungskontakten (42,43) einer Leiterplatte (4) kommt, wobei der Druckknopfschalter (1,1') Folgendes aufweist:
    einen Druckbedienabschnitt (2,2'), der einen Hauptabschnitt (23), einen ersten Andrück- bzw. Schubabschnitt (21,21'), der sich von dem Hauptabschnitt (23) weg erstreckt, und einen zweiten Andrück- bzw. Schubabschnitt (22) aufweist;
    einen ersten Betätigungsabschnitt (31), der einen ersten Körperabschnitt (311,311'), der so positioniert ist, dass er dem ersten Andrückabschnitt (21,21') zugerichtet ist, einen ersten Schürzenabschnitt (312), der aus einem gummielastischen Körper gebildet ist, der kontinuierlich mit einem unteren Umfangsteil des ersten Körperabschnitts (311,311') verbunden ist und den ersten Körperabschnitt (311,311') elastisch abstützt, und einen ersten beweglichen Kontakt (314), der an einer Unterseite des ersten Körperabschnitts (311,311') vorgesehen ist, aufweist; und
    einen zweiten Betätigungsabschnitt (32), der einen zweiten Körperabschnitt (321), der aus einem schlauchförmigen gummielastischen Körper gebildet ist und so angeordnet ist, dass er dem zweiten Andrückabschnitt (22) zugerichtet ist, und der eine Ausnehmung (321a) in demselben aufweist, einen zweiten Schürzenabschnitt (322), der aus einem gummielastischen Körper gebildet ist, der kontinuierlich mit einem unteren Umfangsteil des zweiten Körperabschnitts (321) verbunden ist und den zweiten Körperabschnitt (321) elastisch abstützt, und einen zweiten beweglichen Kontakt (324), der an einer Unterseite des zweiten Körperabschnitts (321) vorgesehen ist, aufweist,
    wobei, wenn der Druckbedienabschnitt (2,2') um eine erste Strecke (A1) gedrückt wird, während der zweite Andrückabschnitt (22) sich in Kontakt mit dem zweiten Körperabschnitt (321) befindet, der zweite Schürzenabschnitt (322) einknickt, der zweite bewegliche Kontakt (324) in Kontakt mit einem der Schaltkontakte (43) der Leiterplatte (4) kommt und der erste Andrückabschnitt (21,21') in Kontakt mit dem ersten Körperabschnitt (311,311') kommt, und
    wobei, wenn der Druckbedienabschnitt (2,2') um eine zweite Strecke (B) gedrückt wird, während der erste Andrückabschnitt (21,21') sich in Kontakt mit dem ersten Körperabschnitt (311,311') befindet, der erste Schürzenabschnitt (312) einknickt und der erste bewegliche Kontakt (314) in Kontakt mit einem weiteren der Schaltkontakte (42) der Leiterplatte (4) kommt,
    dadurch gekennzeichnet, dass
    der zweite Andrückabschnitt (22) von dem ersten Andrückabschnitt (21,21') beabstandet ist und sich von dem Hauptabschnitt (23) weg erstreckt;
    wobei der Druckbedienabschnitt (2,2') eine Nut (24) aufweist, die zwischen dem ersten Andrückabschnitt (21,21') und dem zweiten Andrückabschnitt (22) gebildet ist, wobei der erste Schürzenabschnitt (312) und der zweite Schürzenabschnitt (322), welche einknicken und nach oben gebogen werden, wenn der Druckbedienabschnitt (2,2') um eine zweite Strecke (B) gedrückt wird, in der Nut (24) aufgenommen sind.
  2. Druckknopfschalter (1,1') nach Anspruch 1, wobei der erste Körperabschnitt (311) und der zweite Körperabschnitt (321) sich auf derselben Höhe befinden und der erste Andrückabschnitt (21) kürzer als der zweite Andrückabschnitt (22) ist, oder wobei der erste Andrückabschnitt (21') und der zweite Andrückabschnitt (22), der von dem ersten Andrückabschnitt beabstandet ist, sich auf derselben Höhe befinden und der erste Körperabschnitt (311') kürzer als der zweite Körperabschnitt (321) ist.
  3. Druckknopfschalter (1,1') nach Anspruch 1 oder Anspruch 2, wobei der zweite Schürzenabschnitt (322) dünner als der zweite Körperabschnitt (321) ist.
  4. Druckknopfschalter (1,1') nach einem der Ansprüche 1 bis 3, wobei der zweite Körperabschnitt (321) einen vertieften Abschnitt (326) an einem Ende desselben aufweist.
  5. Druckknopfschalter (1,1') nach einem der Ansprüche 1 bis 3, wobei der zweite Andrückabschnitt (22) eine Nut (221) an einem Ende desselben aufweist.
  6. Druckknopfschalter (1,1') nach einem der Ansprüche 1 bis 3, wobei der zweite Andrückabschnitt (22) einen Vorsprung an einem Ende desselben aufweist.
EP17802927.8A 2016-05-27 2017-05-26 Druckknopfschalter Active EP3439007B1 (de)

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JP2016106165 2016-05-27
PCT/JP2017/019761 WO2017204341A1 (ja) 2016-05-27 2017-05-26 押釦スイッチ

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EP3439007B1 true EP3439007B1 (de) 2022-03-23

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JP7389599B2 (ja) * 2019-07-11 2023-11-30 株式会社東海理化電機製作所 スイッチ装置

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Publication number Priority date Publication date Assignee Title
CN86101312A (zh) * 1985-02-12 1986-10-22 日本乐器制造株式会社 电子乐器键板开关装置
JPH0427065Y2 (de) * 1985-03-06 1992-06-29
JPS6380727U (de) * 1986-11-17 1988-05-27
US5824978A (en) * 1997-06-26 1998-10-20 Ut Automotive, Inc. Multiple detent membrane switch
JP2000123679A (ja) * 1998-10-14 2000-04-28 Nikon Corp 押しボタンスイッチ構造
JP3836619B2 (ja) * 1999-02-22 2006-10-25 アルプス電気株式会社 キーボード入力装置
JP4271837B2 (ja) * 2000-02-29 2009-06-03 富士フイルム株式会社 二段押ボタン

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EP3439007A4 (de) 2019-11-06
CN109074983A (zh) 2018-12-21

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