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
  • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
• • 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
  • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
  • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2209/00—Layers
  • H01H2209/016—Protection layer, e.g. for legend, anti-scratch
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2223/00—Casings
  • H01H2223/002—Casings sealed
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2229/00—Manufacturing
  • H01H2229/062—Maintenance or repair facilities
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2231/00—Applications
  • H01H2231/016—Control panel; Graphic display; Programme control

Definitions

• the invention relates to a flat keyboard, and more particularly, to a flat keyboard used for an operation panel of a numerical controller, an input device of a computer, an input device of an electronic balance, and the like. Pertaining to one board.
• FIG. 5 and Fig. 6 show an example of a conventional flat keyboard.
• Fig. 5 shows the 17-1 line in Fig. 6.
• Sectional view FIG. 6 is a plan view.
• 1 is a printed circuit board in which wiring is formed by a printing method
• 2 is a lead switch placed on the printed circuit board 1 by S, and a plurality of switches are provided. ⁇ It is arranged.
• Reference numeral 4 denotes a key which is respectively disposed above and above the plurality of lead switches 2, and has a lower surface on which the lead switch 2 is provided.
• a magnet 3 is mounted to perform the operation.
• the key 4 is deflected upward by a spring or the like, and the magnet 3 mounted on the lower surface usually has a lead switch 2. The magnet 3 is moved away from the actuator so that the magnet 3 approaches the lead switch 2 by being pushed.
• Reference numeral 5 denotes a guide plate for the key 4. The guide plate 5 has a central portion protruding upward and a guide hole 5 1 for fitting the head of the key 4. a guide section 51 is provided, and the peripheral section 52 is connected to the above-mentioned block via a spacer 10. Mounted on print ⁇ 1.
• Reference numeral 7 denotes a surface sheet which covers the surfaces of the guide plates 5. and keys 4, and is attached to the entire surface of the guide plate 5 with an adhesive or the like.
• a node assembly is configured.
• This gear board assembly is assembled from the inside (the lower side in FIG. 5) to the decorative panel 6 having the hole 6a, and the guide part 51 is fitted into the hole 6a. Attach to the back of makeup spring 6
• the surface sheet 7 is attached to the peripheral portion 52 of the guide plate 5 by an adhesive or the like, and the decorative panel 6 is formed.
• the surface sheet 7 When replacing the surface sheet, first remove the keyboard and solid from the inside of the decorative panel 6 because it is sandwiched by the peripheral edge 52. After that, since the surface sheet 7 must be removed from the guide 5, the removal work is very troublesome and also requires a lot of work time. There was a problem that required
• the invention is directed to the above-mentioned conventional foot keyboard. It is made to solve the problem of the keyboard, and the surface sheet that covers the surface of the keyboard assembly can be easily replaced, and the sealing properties such as waterproof, dustproof, etc.
• the purpose is to provide a Japanese flat board.
• a makeup panel having a hole, a keyboard assembly which is provided opposite to the hole and which is attached to the back of the makeup panel, and a surface of the keyboard assembly
• a removable surface sheet covering the outer surface of the hole in the decorative panel, and a surface sheet disposed on a peripheral edge of the surface sheet and connecting the decorative sheet to the decorative panel
• a flat keyboard having a detachable makeup frame to be sandwiched between the flat board and the panel is provided.
• the flat board according to the present invention is configured as described above, it is possible to exchange the surface sheet only by removing the decorative frame from the outside. Because it is possible, the replacement of the surface sheet is extremely difficult compared to the conventional one where the surface sheet cannot be replaced without removing the keyboard assembly from the decorative panel. It can be done easily.
• the flat keyboard according to the present invention is provided such that a peripheral edge of a keyboard assembly and a surface sheet covering the surface of the decorative panel is formed by a decorative frame and a decorative panel. As a result, it is excellent in sealability and can prevent intrusion of oil, water or dust into the keyboard assembly. . Therefore, according to the present invention, it is possible to obtain a flat keyboard 'which is excellent in waterproofness and dustproofness, and has excellent durability and convergence.
• FIGS. 1 and 2 show an embodiment of a flat keyboard according to the invention.
• FIG. 1 is a sectional view taken along the line I--I in FIG. 2 is a plan view
• FIG. 3 is a cross-sectional view showing another embodiment of the * flat keyboard according to the invention
• FIG. 4 is a cross-sectional view of * another example of the flat keyboard according to the invention.
• FIGS. 5 and 6 are cross-sectional views showing another embodiment, and FIGS. 5 and 6 show a conventional flat keyboard
• FIG. FIG. 6 is a plan view, taken along line W of FIG.
• FIGS. 1 and 2 show a flat board according to the invention.
• FIG. 1 is a sectional view taken along the line II in FIG. 2, and
• FIG. I s a plan view, and the same parts as those of the conventional flat board shown in FIGS. 5 and 6 are denoted by the same reference numerals.
• i is a print ⁇ printed on the g-line
• 2 is a lead switch arranged on the print board 1
• 4 is a key having a magnet 3 attached to the lower surface thereof, which is disposed on the upper side of the lead switch 2 so as to face the lead switch 2
• 10 is a guide plate comprising a guide part 51 provided with 1a, a peripheral mounting part 52, and a connecting part 53 for kneading the peripheral mounting part 52 and the guide part 51.
• the This is a spacer that is interposed between the guide plate 5 and the print plate 1 and that fixes the both with an adhesive or the like.
• the keyboard assembly 100 pushes the guide portion 51 of the guide plate 5 inside the hole 6a formed in the decorative panel 6 (the lower side in FIG. 1). They are fitted together and attached to the decorative spring 6.
• a surface sheet 70 covering the surface of the keyboard assembly 100 is attached from the outside of the decorative panel 6 (upper side in FIG. 1). That is, the surface sheet 70 is formed so as to have a large hole 6 a formed in the decorative panel 6, and its peripheral edge 70 a is formed in the hole 6 a formed in the decorative panel 6. It is superposed on the outer 6b surface of a and placed S. In this way, the surface sheet 70 disposed on the surface of the keyboard assembly 100 and the decorative panel 6 is placed on top of its peripheral edge 70a. It is fixed by the decorative frame 8 to be placed. Immediately, the surface sheet 70 is sandwiched and fixed to the decorative spring 6 by the decorative frame 8 attached to the decorative panel 6 by the screw 9.
• the surface sheet 70 can be made of a resilient material such as rubber to improve the followability when the key 4 is operated.
• the flat keyboard according to the present embodiment is configured as described above.
• the flat keyboard is used.
• the surface sheet 70 can be easily removed by loosening the screw 9 and removing the decorative frame 8.
• the new surface sheet 70 is placed on the keyboard assembly 100 and the chemical panel 6 as described above, and the peripheral sheet 70 a of the surface sheet 70 is placed on the keyboard assembly 100.
• the decorative frame 8 is placed on the decorative panel 6 by screws 9 and the decorative panel 6 is fixed to the decorative panel 6 by screws 9, so that the work of replacing the surface sheet 70 can be performed. Completion a
• the flat keyboard of the present invention can be used to replace the surface sheet 70 by simply removing the cosmetic layer 8 from the outside.
• the surface sheet 70 cannot be replaced without removing the keyboard assembly from the decorative panel 6.
• the replacement of the surface sheet is extremely easy and the working time can be significantly reduced.
• the flat keyboard according to the present embodiment the keyboard assembly 100 and the peripheral edge 70 of the surface sheet 70 covering the surface of the decorative panel 6 a is configured to be sandwiched between the makeup frame 8 and the makeup panel 6, so that it has excellent sealability and oil, water, or dust enters the keyboard assembly. Can be prevented. Therefore, according to the last embodiment, a flat keyboard having excellent waterproofing and dustproofing properties, and excellent in durability and repellency can be obtained.
• FIG. 3 shows another embodiment of the flat board according to the present invention.
• the same parts as those shown in FIGS. 1 and 2 are designated by the same reference numerals. The description is omitted here.
• the flat keyboard according to the embodiment is made of a resilient material. This is the result of applying the bonding means 11 to the rear surface (lower surface in the figure) of the front surface sheet 71.
• the bonding means may be a double-sided adhesive tape or an adhesive.
• the flat board according to the embodiment has the bonding means 11 applied to the back surface of the front sheet 71, the mounting property is easy. In addition, it is possible to prevent misalignment and to further improve the waterproof and dustproof properties.
• FIG. 4 shows another embodiment in addition to the flat board according to the invention.
• FIG. 4 shows the embodiment shown in FIG. 1, FIG. 2 and FIG. The same parts are denoted by the same reference numerals, and their description is omitted.
• the flat keyboard according to the present embodiment is made of a resilient material such as rubber between the surface sheet 72 and the decorative frame 8.
• the formed packings 12 are provided.
• the flat board according to the present embodiment has a packing made of a resilient material between the surface sheet 72 and the decorative frame 8. Since it is installed, even if a non-elastic sheet such as a ballistell sheet is used as the surface sheet, the sealability can be increased. As a result, a flat keyboard excellent in waterproofness and dustproofness can be obtained.
• the flat keyboard according to the present invention it is extremely easy to replace the surface sheet covering the surface of the keyboard assembly.
• it has excellent sealing properties, and is waterproof and dustproof. Because of its good performance, it is highly possible that the surface sheet will be damaged by chips or the like, and it is suitable for use in operation panels of numerical control devices for machining machines that use a large amount of cutting However, it can be used as an input device of a calculator or an electronic balance.

Landscapes

• Input From Keyboards Or The Like (AREA)
• Push-Button Switches (AREA)
• Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=13814801

Family Applications (1)

Country Status (3)

Cited By (4)

Families Citing this family (3)

Citations (3)

Family Cites Families (2)

• 1984
  • 1984-06-06 JP JP8387484U patent/JPS60194827U/ja active Pending
• 1985
  • 1985-06-04 WO PCT/JP1985/000310 patent/WO1985005731A1/ja not_active Application Discontinuation
  • 1985-06-04 EP EP19850902662 patent/EP0185768A4/de not_active Ceased

Patent Citations (3)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events