CN1971753A

CN1971753A - Electronic device of conformity key-press and bearing seat integrated switch mechanism

Info

Publication number: CN1971753A
Application number: CN 200510126831
Authority: CN
Inventors: 邱显聪
Original assignee: BenQ Corp
Current assignee: BenQ Corp
Priority date: 2005-11-24
Filing date: 2005-11-24
Publication date: 2007-05-30

Abstract

An electric device is disclosed that includes: a shell, a bearing block mounted in the shell, a circuit board mounted on the bearing block, a touching switch mounted on the circuit board used to output the on-off signal, and a button to be pressed to control the touching switch, whose one fixed end is fixed on the bearing block and the other free end correspond to the touching switch.

Description

The electronic installation of the switching mechanism of integrating keys and bearing

Technical field

The present invention relates to the electronic installation of a kind of integrating keys and bearing, especially relate to a kind of CD-ROM drive with switching mechanism of integrating keys and bearing.

Background technology

In recent years, because the fast development of numeral science and technology makes all can be converted into digital data such as various analogue type data such as image and sound, with conveniently follow-up storage or transmission process.Along with digital data is increasing for the demand of storage space, the past data medium as tape or disk, is not applied already and is used, the substitute is discs, CD-ROM drive then is a kind of electronic installation that is used for the digital data stored in access one discs.

Consult Fig. 1, Fig. 1 is the decomposing schematic representation of a known CD-ROM drive 10.CD-ROM drive 10 includes a bearing 12, one loam cakes 14, and a lower cover 16.Loam cake 14 and lower cover 16 are used for coating jointly the element of bearing 12 and CD-ROM drive 10 inside, to form the housing of CD-ROM drive 10.Loam cake 14 and lower cover 16 formed housings have a peristome 17.CD-ROM drive 10 also comprises a panel 18, connect bearing 12 and be embedded in loam cake 14 and lower cover 16 between, be used for closed peristome 17.Panel 18 is provided with one first opening, 20, one pallets 22, slidably is installed in the bearing 12, be used for the carrying disc sheet, a motor (not shown) is installed in the bearing 12, being used for driving tray 22 withdraws from or enters first opening 20 of panel 18, one touch switch (tack switch) 24 is installed on the

circuit board

26, and 26 of circuit boards are installed in the bearing 12, be used for controlling motor, and a button 28, be fixed on the panel 18, be used for being pressed to touch touch switch 24.

Consult Fig. 1, Fig. 2, and Fig. 3, Fig. 2 are the schematic rear view of the panel 18 of known CD-ROM drive 10, and Fig. 3 is the diagrammatic cross-sectional side elevation of known CD-ROM drive 10.The user can make button 28 displacement one strokes by the button of pushing on the panel 18 28, and then touches touch switch 24, comes the CD-ROM drive motor action to produce signal, and makes pallet 22 among Fig. 1 can advance sheet or move back the action of sheet.Yet because the shake-up stroke between button 28 and the touch switch 24 is very little usually, thus between button 28 and the touch switch 24 apart from very strictness (being about 0.2mm to 0.3mm) of d requirement, but this but is very difficult to reach.Usually come from the summation of following assembling tolerance apart from the assembling tolerance of d between button 28 and the touch switch 24:

Assembling tolerance between (the assembling tolerance of touch switch 24 and circuit board 26)+(the assembling tolerance of circuit board 26 and bearing 12)+(the assembling tolerance between bearing 12 and loam cake 14, the lower cover 16)+(the assembling tolerance between loam cake 14, lower cover 16 and the panel 18)+(the assembling tolerance between panel 18 and the button 28)=button 28 and the touch switch 24.

Therefore when assembling CD-ROM drive 10, must control every assembling tolerance accurately, just can reach the requirement of shake-up stroke meticulous between button 28 and the touch switch 24, but have under the prerequisite of so many spare parts at known CD-ROM drive 10, very difficult requirement that reaches beyond doubt, also cause the inconvenience in CD-ROM drive 10 assemblings, and reduced the yield rate of CD-ROM drive assembling.

Summary of the invention

The invention provides a kind of CD-ROM drive, to solve the above problems with switching mechanism of integrating keys and bearing.

The present invention discloses a kind of electronic installation, and it includes a housing, a bearing, be installed in the housing, one circuit board is installed on the bearing, a touch switch, be installed on the circuit board, be used for exporting a switching signal, and a button, have a stiff end and be fixed in bearing, with a free end corresponding to touch switch, be used for being pressed to touch touch switch.

The present invention discloses a kind of CD-ROM drive, and it includes a housing, a bearing, be installed in the housing, a circuit board is installed on the bearing, one panel connects bearing, and this panel is provided with one first opening, a motor, be installed in the bearing, be used for driving first opening that discs withdrawed from or entered panel, a touch switch, be installed on the circuit board, be used for controlling motor, and a button, have a stiff end and be fixed in a bearing and a free end, be used for being pressed to touch touch switch.

For making above-mentioned purpose of the present invention, feature and the advantage can more obvious easy to understand, below especially exemplified by a preferred embodiment, and conjunction with figs. be elaborated.

Description of drawings

Fig. 1 is the decomposing schematic representation of known CD-ROM drive;

Fig. 2 is the schematic rear view of the panel of known CD-ROM drive;

Fig. 3 is the diagrammatic cross-sectional side elevation of known CD-ROM drive;

Fig. 4 is the decomposing schematic representation of CD-ROM drive of the present invention;

Fig. 5 is the diagrammatic cross-sectional side elevation of CD-ROM drive of the present invention;

Fig. 6 is the schematic appearance of another embodiment of the present invention button;

Fig. 7 is the diagrammatic cross-sectional side elevation of button shown in Figure 6;

Fig. 8 is the diagrammatic cross-sectional side elevation of another embodiment of the present invention button.

Embodiment

Consult Fig. 4 and Fig. 5, Fig. 4 is the decomposing schematic representation of the present invention's one CD-ROM drive 50, and Fig. 5 is the diagrammatic cross-sectional side elevation of CD-ROM drive 50 of the present invention.CD-ROM drive 50 includes a bearing 52, one loam cakes 54, and a lower cover 56.Loam cake 54 and lower cover 56 are to be used for coating jointly the element of bearing 52 and CD-ROM drive 50 inside, to form the housing of CD-ROM drive 50.Loam cake 54 has a peristome 57 with lower cover 56 formed housings.CD-ROM drive 50 also comprises a panel 58, be connected in bearing 52 and be entrenched in loam cake 54 and lower cover 56 between, be used for closed peristome 57.Wherein panel 58 is provided with one first opening 60 and one second opening 62, one pallet 64, slidably be installed in the bearing 52, be used for the carrying disc sheet, one motor (not shown), be installed in the bearing 52, being used for driving tray 64 withdraws from or enters first opening, 60, one touch switch 66 of panel 58, is installed on the circuit board 68,68 of circuit boards are installed in the bearing 52, be used for controlling motor, and a button 70, be fixed in bearing 52, and keycap portion to the small part of button 70 is passed second opening 62 of panel 58, is used for being pressed to touch touch switch 66.

Button 70 comprises a flat board 72, is connected in bearing 52, and dull and stereotyped 72 is integrated mode to connect bearing 52.Dull and stereotyped 72 have a stiff end 72a, and fixedly connected bearing 52, and a free end 72b are arranged on the position corresponding to touch switch 66.Button 70 also comprises a teat 74 that forms keycap portion, is connected in dull and stereotyped 72 and be arranged in second opening 62 of panel 58, is used for being pressed to promote dull and stereotyped 72.The user can be by the teat 74 of the button 70 in second opening 62 of pushing panel 58, and make teat 74 promote dull and stereotyped 72 displacement one strokes, and then utilize free end 72b to touch touch switch 66, come the CD-ROM drive motor action to produce signal, make pallet 64 among Fig. 4 can advance sheet or move back the action of sheet.Because button 70 is combined into one with bearing 52, so the only remaining row of the assembling tolerance apart from d ' between button 70 and the touch switch 66 are assembled the summation of tolerance:

Assembling tolerance between (the assembling tolerance of touch switch 66 and circuit board 68)+(the assembling tolerance of circuit board 68 and bearing 52)=button 28 and the touch switch 24.

As from the foregoing, the switching mechanism of integrating keys 70 of the present invention and bearing 52, the switching mechanism that is fixed in panel with known button compares, reduced the assembling tolerance between assembling tolerance, loam cake 54, lower cover 56 and the panel 58 between bearing 52 and loam cake 54, the lower cover 56, and the assembling tolerance between panel 58 and the button 70, this is because the button 70 of shake-up touch switch 66 is grown by bearing 52, so can reduce bearing 52 to the assembling of the correlated parts between the button 70 number, thereby reach the purpose that reduces the assembling tolerance.

In addition, button 70 can be homochromy reaching conforming requirement attractive in appearance with panel 58, or heterochromatic to reach the purpose of differentiating button 70 and panel 58 with panel 58.Consult Fig. 6 and Fig. 7, Fig. 6 is the schematic appearance of another embodiment of the present invention one button 76, and Fig. 7 is the diagrammatic cross-sectional side elevation of button 76 shown in Figure 6.Button 76 comprises one first teat 78, be connected in dull and stereotyped 72, and one second teat 80, be installed in the central authorities of first teat 78, first teat 78 is different with the color of second teat 80, and first teat 78 is identical with the color of panel 58, that is to say when button 76 and panel 58 are homochromy, can differentiate button 76 and panel 58 by the second not homochromy teat 80, be beneficial to user's pressing keys 76.

In addition, the present invention also can be designed to directly push panel 58 and reaches the purpose of touching touch switch 66.Consult Fig. 8, Fig. 8 is the diagrammatic cross-sectional side elevation of another embodiment of the present invention one button 82.Button 82 comprises a flat board 84, is connected in bearing 52, and dull and stereotyped 84 have a stiff end 84a, are fixedly connected on bearing 52, and a free end 84b, are arranged on the position corresponding to touch switch 66.Button 82 also comprises a flexible member 86 that forms keycap portion, is connected in dull and stereotyped 84 free end 84b and panel 58, and flexible member 86 can be a spring.The user can utilize the position that corresponds to flexible member 86 and panel 58 junctions of pushing panel 58, and make flexible member 86 promote dull and stereotyped 84 displacement one strokes, and then by free end 72b shake-up touch switch 66, come the CD-ROM drive motor action to produce signal, thereby make pallet 64 among Fig. 4 can advance sheet or move back the action of sheet.

Compare with the switching mechanism of known CD-ROM drive, design of the present invention is owing to reduce part assembling number, so can reduce part assembling tolerance effectively, and improve assembly precision and yield rate significantly, just can reach the requirement of shake-up stroke meticulous between button and the touch switch, also improve the sense of touch of pressing keys simultaneously thereupon.

The above only is the preferred embodiments of the present invention, and all equivalent variations and modifications of being made according to claim scope of the present invention all should belong to protection scope of the present invention.

Claims

1. electronic installation, it includes:

One housing has a peristome;

One bearing is installed in the described housing;

One circuit board is installed on the described bearing;

One panel is in order to seal described peristome;

One touch switch is installed in contiguous described peristome place on the described circuit board; And

One button is arranged between described panel and the described touch switch, and described button has a stiff end, is fixed in described bearing, and a free end, is used for being pressed to touch described touch switch.

2. electronic installation as claimed in claim 1, wherein said button includes:

One flat board has stiff end and free end, and stiff end connects bearing; And

One teat is arranged at free end, is used for being pressed to promote flat board.

3. electronic installation as claimed in claim 2, wherein said panel are provided with one second opening, and the teat of button is arranged in second opening.

4. electronic installation as claimed in claim 2, wherein said bearing and flat board are formed in one.

5. electronic installation as claimed in claim 1, wherein said button includes:

One flat board has stiff end and free end, and stiff end connects bearing; And

One flexible member is arranged between free end and the panel.

6. electronic installation as claimed in claim 5, wherein said flexible member are a spring.

7. electronic installation as claimed in claim 1, wherein said electronic installation is a CD-ROM drive, is used for reading the data of a discs.

8. electronic installation as claimed in claim 7 also is provided with one first opening on the wherein said panel, electronic installation also comprises a motor, is installed on the bearing, is used for driving discs and withdraws from or enter electronic installation by first opening of panel.

9. electronic installation as claimed in claim 8 wherein also comprises a pallet, slidably is installed in the bearing, is used for the carrying disc sheet.