WO2016110880A1 - Unité de clavier - Google Patents

Unité de clavier Download PDF

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Publication number
WO2016110880A1
WO2016110880A1 PCT/JP2015/000014 JP2015000014W WO2016110880A1 WO 2016110880 A1 WO2016110880 A1 WO 2016110880A1 JP 2015000014 W JP2015000014 W JP 2015000014W WO 2016110880 A1 WO2016110880 A1 WO 2016110880A1
Authority
WO
WIPO (PCT)
Prior art keywords
keyboard unit
push button
case
hole
gap
Prior art date
Application number
PCT/JP2015/000014
Other languages
English (en)
Japanese (ja)
Inventor
加藤　貴久
正一郎 林
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2015/000014 priority Critical patent/WO2016110880A1/fr
Publication of WO2016110880A1 publication Critical patent/WO2016110880A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials

Definitions

  • the present invention relates to a keyboard unit used as a device for inputting characters, numbers, symbols, or the like.
  • a keyboard unit has been used as one of input devices for inputting characters into various devices.
  • the usage environment and usage conditions in which the keyboard unit is used greatly depend on the application of the device in which the keyboard unit is installed. For example, when a keyboard unit is used in a personal computer used in an office, etc., it is generally a good environment with good air conditioning. However, when a keyboard unit is installed in a machine tool, it is compared to the office environment. In many cases, the usage environment and usage conditions are poor. When used in an inferior operating environment or operating condition like a machine tool, the switches that make up the keyboard unit may malfunction and the keyboard unit may not function properly. Various measures have been proposed to prevent such malfunction of the switch.
  • Patent Document 1 describes a push button switch characterized in that a peripheral wall protrudes from the case so as to surround the base of the button protruding from the case, and a space is provided between the peripheral wall and the button. Has been. As a result, according to Patent Document 1, even if a foreign substance such as an adhesive or liquid enters, it does not cause malfunction.
  • Japanese Patent Application Laid-Open No. 2004-228561 has a description of a diagram in which a push button part touched by an operator and a switch part for performing ON / OFF determination by electrical conduction are partitioned by an elastomer dome.
  • Patent Document 1 even if foreign matter is less likely to be caught between the peripheral wall and the push button by providing a space between the peripheral wall and the push button, the foreign matter that has entered the peripheral wall is provided in the case inside the peripheral wall.
  • the gap between the hole and the push button accumulates, and the push button is prevented from sliding, and the operability of the push button may be lowered.
  • mist-like foreign matter enters it can reach the gap between the circular hole provided in the case inside the peripheral wall and the push button, so that foreign matter accumulates in the gap, resulting in the operability of the push button. Will be reduced.
  • Patent Document 2 since the gap between the elastomer dome portion and the wall becomes narrower toward the inside of the switch, the deformation of the elastomer dome is limited by the foreign matter accumulated in the gap, and the operability is deteriorated when the foreign matter accumulates. In addition, it is difficult to remove the foreign matter accumulated in the gap because there is no moving path.
  • keyboard units made up of molded molds
  • burrs are likely to occur on the mold mating surface during manufacturing, so the mold mating surface is placed inside the case outer surface to prevent the operator from touching the burrs. Often provided.
  • the slope is As a result, the gap between the side of the push button and the wall of the hole provided in the case becomes narrower toward the inside of the keyboard unit. Configured.
  • the present invention has been made in view of the above, and even when foreign matter remains in the gap between the side surface of the push button and the wall surface of the hole provided in the case, the operability deterioration of the push button can be easily recovered.
  • the purpose is to obtain a keyboard unit.
  • the gap between the wall surface of the hole and the side surface of the push button is expanded toward the inside of the keyboard, and the push button is formed inside the keyboard.
  • the side surface of this is open.
  • the gap between the wall surface of the hole provided in the case and the side surface of the push button becomes wider toward the inside of the keyboard unit, the gap becomes wider toward the inside than the position where foreign matter is accumulated, The foreign object can easily move toward the inside of the keyboard unit.
  • the gap between the hole wall provided in the case and the side of the push button the foreign matter moves, drops, and is removed toward the keyboard unit by blowing air from the front of the unit. Therefore, the operability of the push button can be restored.
  • FIG. 1 is an external perspective view of a keyboard unit 1 showing an embodiment according to the present invention.
  • FIG. 2 is a cross-sectional view of the keyboard unit 1 showing a state in which the push button 2 protrudes from the hole 4 provided in the case 3.
  • FIG. 3 is an external perspective view of the push button 2 having the blindfold collar 10.
  • FIG. 4 is a cross-sectional view of the state in which the side surface of the push button 2 is supported by the case 3, the bottom surface of the push button 2 is supported by the switch 5, and the push button 2 is held.
  • the keyboard unit 1 includes a push button 2, a case 3 that supports the push button 2 from the side, and a substrate 6 on which a switch 5 is mounted.
  • a hole 4 is provided on the front surface of the case 3.
  • the push button 2 protrudes.
  • the protruding push button 2 has a gap 12 between the case 3 and the case 3 so as to be slidable.
  • the wall surface of the hole 4 is provided with an inclination 11 in order to widen the gap 12 with the side surface of the push button 2 toward the inside of the keyboard unit.
  • a blind collar 10 is formed on the push button 2 so that the inside of the keyboard unit cannot be seen from the outside of the keyboard unit.
  • the volume of the gap between the case 3 and the push button 2 increases toward the inside of the keyboard unit. Even if foreign matter accumulates in the gap 12, the volume of the gap is set larger toward the inside of the keyboard unit than the volume of the accumulated foreign matter. For this reason, a moving path toward the inside of the keyboard unit is secured for the accumulated foreign matter, and the foreign matter can be moved into the keyboard unit by applying external force by applying air or the like from the outside of the keyboard unit. As a result, the operability of the push button 2 can be recovered.
  • the wall surface of the hole provided in the case is inclined so that the gap between the case and the push button increases toward the inside of the keyboard unit. Even if accumulated, foreign matter can be easily removed.
  • the keyboard unit has an open structure without any object that creates a gap with the side of the push button, foreign matter that has accumulated and removed in the gap between the case and the push button, or foreign matter that has entered the keyboard unit, Since the sliding of the push button is not hindered, there is an effect that the operability of the push button can be easily recovered.
  • the blind collar 10 is formed on the push button 2 so that the inside of the keyboard unit cannot be seen from the outside of the keyboard unit.
  • the blind collar 10 may not be formed on the push button 2.
  • FIG. 5 is a cross-sectional view of the push button 2 whose side surfaces are supported by the case 3 in which chamfers 15 (for example, C chamfering or R chamfering) are provided at the corners of the hole 4 outside the keyboard unit 1 over the entire circumference.
  • chamfers 15 for example, C chamfering or R chamfering
  • the wall surface of the hole 4 is provided with an inclination 11 and a chamfer 15.
  • a mold mating surface 14 is provided at the boundary between the inclination 11 and the chamfer 15. It will be.
  • the mold matching surface 14 can be provided inside the outer surface of the case 3, even if burrs are generated, it is likely to be generated inside the outer surface of the case 3.
  • the gap 12 having such a shape is narrow only within a limited range near the outer surface of the case 3, and most of the gap is inside the keyboard unit. Therefore, the foreign matter can be moved to the inside of the keyboard unit by applying air or the like from the outside of the keyboard unit and applying an external force as in the first embodiment.
  • the second embodiment as in the first embodiment, even if foreign matter accumulates in the gap by forming the shape such that the majority of the gap between the case and the push button increases toward the inside of the keyboard unit.
  • the foreign matter can be easily removed, and the operability of the push button can be recovered.
  • the mold mating surface can be set to the inside from the outer surface of the case when molding the case with the mold. Even if it occurs, it is inside from the outer surface of the case, so that it is possible to prevent discomfort caused by the operator touching the burr. In addition, there is an effect that air easily enters the gap between the case and the push button, and foreign substances accumulated in the gap can be easily removed.
  • FIG. 6 is a cross-sectional view of the push button 2 whose side surface is supported by the case 3 with the mold matching surface 14, the flush surface 13, the inclination 11, and the chamfer 15 over the entire circumference of the wall surface of the hole 4.
  • FIG. 7 is a diagram for explaining a difference in the cross-sectional shape of the finished case 3 depending on the mold 16 and the die 17 used at the time of molding the case 3 and the position thereof.
  • the wall surface of the hole 4 is provided with an inclination 11 so that a gap with the side surface of the push button 2 increases toward the inside of the keyboard unit, and further, a surface 13 that is flush with the mold matching surface 14 is provided.
  • the mold 16 and the mold 17 are arranged as shown in FIG. At this time, even if the die 16 and the die 17 are displaced within the range of the die mating surface 14 and the flush surface 13, the dimension of the hole 4 does not change as shown in FIG. 7 (d). .
  • the mold matching surface 14 and the flush surface 13 do not exist on the wall surface of the hole 4, the mold 3 and the mold die 17 are not displaced and the case 3 is molded as shown in FIG.
  • the size of the hole 4 is small as shown in FIG. 7 (b). turn into.
  • the hole size does not change and the molding defect can be suppressed. is there.
  • the keyboard unit according to the present invention can be easily recovered even in a poor operating environment even if the sliding property of the push button temporarily decreases due to foreign matter, and is suitable for use without impairing the operability. ing.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)

Abstract

Selon la présente invention, une unité de clavier (1) est munie de boutons de commande (2) et d'un boîtier (3) qui supporte les surfaces latérales des boutons de commande (2), les boutons de commande (2) faisant saillie à partir d'ouvertures (4) prévues sur le boîtier (3). Des espaces (12) entre les surfaces latérales des boutons de commande (2) et les surfaces de paroi du boîtier (3), par le biais de l'agencement d'une inclinaison (11) vers les surfaces de paroi des ouvertures (4) disposées sur le boîtier (3), s'élargissent dans la direction de l'intérieur de l'unité de clavier (1) de sorte que des matières étrangères recueillies dans des espaces (12) puissent se déplacer vers l'intérieur de l'unité de clavier (1). Les surfaces latérales des boutons de commande (2) sont ouvertes vers l'intérieur de l'unité de clavier (1).
PCT/JP2015/000014 2015-01-06 2015-01-06 Unité de clavier WO2016110880A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/000014 WO2016110880A1 (fr) 2015-01-06 2015-01-06 Unité de clavier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/000014 WO2016110880A1 (fr) 2015-01-06 2015-01-06 Unité de clavier

Publications (1)

Publication Number Publication Date
WO2016110880A1 true WO2016110880A1 (fr) 2016-07-14

Family

ID=56355615

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/000014 WO2016110880A1 (fr) 2015-01-06 2015-01-06 Unité de clavier

Country Status (1)

Country Link
WO (1) WO2016110880A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0277823U (fr) * 1988-12-02 1990-06-14
JPH09319481A (ja) * 1996-05-27 1997-12-12 Nec Corp キー入力装置
JP2003177857A (ja) * 2001-12-11 2003-06-27 Fdk Corp 圧電素子を用いた触感スイッチ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0277823U (fr) * 1988-12-02 1990-06-14
JPH09319481A (ja) * 1996-05-27 1997-12-12 Nec Corp キー入力装置
JP2003177857A (ja) * 2001-12-11 2003-06-27 Fdk Corp 圧電素子を用いた触感スイッチ

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