CN100573760C

CN100573760C - Press key protecting equipment

Info

Publication number: CN100573760C
Application number: CNB2006100372387A
Authority: CN
Inventors: 盛延龙
Original assignee: Mitac Computer Shunde Ltd; Mitac Technology Corp
Current assignee: Mitac Computer Shunde Ltd; Shunda Computer Factory Co Ltd; Getac Technology Corp
Priority date: 2006-08-25
Filing date: 2006-08-25
Publication date: 2009-12-23
Anticipated expiration: 2026-08-25
Also published as: CN101131899A

Abstract

A kind of press key protecting equipment, with a button fit applications of being located on the shell, it includes a chute, one group and cuts key and and fasten seat.Chute is located at outside the shell on the side, has a through hole and is communicated with side and medial surface outside the shell.Dial and to cut key and be movably set in the chute, and dial and cut key and extend a holding section and extend to side within the shell by through hole.Fasten seat and be located at side within the shell, engage mutually with the holding section.Dial and to cut key and can drive and fasten seat and slide onto in the button, interfere the displacement of button, or drive and fasten seat and slide onto outside the button, remove and interfere.So can use the important key switch of this unit protection, as power switch or system's reset switch avoid suffering mistake by.

Description

Press key protecting equipment

Technical field

The present invention is relevant with button, refer in particular to a kind of can be used for preventing the electronic equipment button by mistake by massage protection architecture.

Background technology

The case surface of electronic installation all has various buttons, is positioned at the sensitive switch of enclosure with shake-up in order to be pressed, and makes sensitive switch send the control circuit of a trigger signals to electronic installation, makes electronic installation carry out respective action.

Figure 1A and Figure 1B are depicted as cantilever type press-key structure common in the routine techniques, are widely used in the electronic installation.This cantilever type press-key structure includes a button 110 and an elastic cantilever 120.Wherein button 110 is movably set in outside the electronic installation in the key hole on the shell 100 101, and two ends of elastic cantilever 120 are connected to shell 100 medial surfaces and button 110, make button 110 be suspended in a neutral position.When button 110 was pressed, button 110 can make elastic parts 120 that strain takes place towards shell 110 internal displacements simultaneously.Button 110 can directly touch and be located at one of shell 100 inside sensitive switch 130 behind the shell internal displacement, so that sensitive switch 130 sends a trigger signals.After button 110 stopped to be pressed, elastic cantilever 120 can make button 110 be back to the neutral position, and made button 110 stop to touch sensitive switch 130.

By above-mentioned conventional structure as can be known, the safeguard procedures on any hardware are not arranged in its structure, so button 110 can be given as security and the 130 generation effects of shake-up sensitive switch for pressing arbitrarily.Desktop PC or mobile computer big city have system power supply button and system's replacement button, as long as after pushing, and the electronic installation of just can opening, close or reset.Yet, when desktop PC, mobile computer, server host or hard disk external connection box etc. are in particular state, and be not suitable for shutdown programm not execution be opportunity powered-down or carry out system and reset, otherwise promptly can cause the damage of data, severe patient will be damaged hardware and maybe can't restart.Under the structural design of this button 110, see that in pass or the system's reset switch, regular meeting causes the damage of electronic installation 100 because of vibrations or touch of key-press by accident 110 if be applied to power supply.Moreover general main frame has the screen electricity-saving function, in case user's shut-down operation main frame after a period of time, its screen can be closed, to save the energy.When the user finishes, or unwitting people very easily takes for main frame and do not start shooting because screen is pitch-dark, thereby supresses the system start-up key switch of control power supply again, causes the main frame infringement.

Summary of the invention

Conventional press-key structure is pressed easily by mistake, causes electronic installation expectedly not to be closed power supply, or the execution error action.In view of the above problems, the present invention's purpose is providing a kind of press key protecting equipment, and button can't be pressed, and causes electronic installation execution error action to avoid artificial faulty operation.

For reaching above-mentioned purpose, the present invention proposes a kind of key switch protective device, and wherein button is located on the shell, and protective device comprises that a chute, one group cut key and and fasten seat.Wherein chute is located at outside the shell on the side, and chute has a through hole and is communicated with side and medial surface outside the shell.Dial and to cut key and be located at versatilely in the chute, carry out linear shift reciprocately between the primary importance in chute and the second place, and dial and cut key and extend a holding section and extend to side within the shell by through hole.Fasten seat and be located at side within the shell versatilely, and engage mutually, cut the key drive in order to dialling with the holding section.Thus, fasten seat and slide onto in the button, interfere the displacement of button, case can't be pressed and move when dialling when cutting key, can driving in primary importance.Fasten seat and slide onto outside this button when dialling when cutting key, driving, remove and interfere in the second place.

The present invention's effect is that it can see through simple change action, interferes button mobile, makes button be fixed in the neutral position, and can not be subjected to pressed by external force and displacement.Thus, just can avoid button, produce the faulty operation action outside the expection, thus button be produced protective effect by false touch.

Description of drawings

Figure 1A and Figure 1B are the generalized section of the press-key structure in the routine techniques.

Fig. 2 A sees stereogram outside the embodiment of the invention.

Fig. 2 B is the local enlarged diagram of Fig. 2 A.

Fig. 3 A is the stereoscopic figure at another visual angle of the embodiment of the invention.

Fig. 3 B is the local enlarged diagram of Fig. 3 A.

Fig. 4 A and Fig. 4 B are in the embodiment of the invention, fasten and see stereogram outside the seat.

Fig. 5 A and Fig. 5 B are in the embodiment of the invention, dial and cut the stereogram that key is positioned at primary importance, disclose to fasten the moving of seat interference button.

Fig. 6 A is along the generalized section of A-A ' line among Fig. 5 B.

Fig. 6 B is along the generalized section of B-B ' line among Fig. 5 B.

Fig. 7 A and Fig. 7 B are in the embodiment of the invention, dial and cut the stereogram that key is positioned at the second place, disclose to fasten the moving of seat releasing interference button.

Fig. 8 A is along the generalized section of A-A ' line among Fig. 7 B.

Fig. 8 B is along the generalized section of B-B ' line among Fig. 7 B.

Embodiment

For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.More than about the explanation of the explanation of content of the present invention and following execution mode in order to demonstration and the principle of explaining the present invention, and provide the present invention's patent claim explanation further.

See also shown in Fig. 2 A, Fig. 2 B, Fig. 3 A and Fig. 3 B, it is a kind of press key protecting equipment 200 that the embodiment of the invention is disclosed, and is applied in the electronic installation, is touched in order to avoid a button 210.Button 210 is movably set in the key hole 221 of one of electronic installation shell 220, sees through the support of an elastic parts 230, make button 210 when not stressed the normality status in a neutral position.Aforementioned electronic installation can be but is not limited to desktop PC, mobile computer, server host, hard disk external connection box, hand-hold mobile secretary etc.

See also shown in Fig. 2 B and Fig. 3 B, the press key protecting equipment 200 that the embodiment of the invention disclosed includes a chute 240, one group and cuts key 250 and and fasten seat 260.

Chute 240 is opened on the lateral surface of shell 220, and the bottom of chute 240 has a through hole 241, the lateral surface and the medial surface of connection shell 220.

Dial and to cut one of key 250 side and be formed with a plurality of on-slip burrs 251, the another side extends to form a plurality of holding sections 252.Dial and to cut key 250 and be located in the chute 240, carry out linear shift reciprocately between a primary importance M that can be in chute 240 and the second place N, wherein through hole 241 is passed extending to shell 220 inside in holding section 252, and on-slip burr 252 is outside shell 220.

See also shown in Fig. 4 A and Fig. 4 B, fasten seat 260 and have a connecting hole 261, this fastens seat 260 and is located at side within the shell 220, make the through hole 241 of connecting hole 261 corresponding to chute 240 bottoms, and sidewall is formed with outstanding snap flange 261a within the connecting hole 261.When dialling when cutting key 250 and inserting in the chute 240, through hole 241 can be passed in holding section 252, then penetrates in the connecting hole 261, and is sticked in snap flange 261a, makes to fasten seat 260 and engage mutually with holding section 252.Cut key 250 and be located at when carrying out linear shift reciprocately between primary importance M and second place N chute 240 in when dialling by this, fasten seat 260 simultaneously quilt group cut key 250 and carry out linear shift reciprocately.The end of aforementioned holding section 252 forms and colludes the pawl structure, can be fastened on snap flange 261a, and holding section 252 is provided with in pairs, and makes and collude the pawl structure and extend towards rightabout, and is fastened on different snap flange 261a, to strengthen the fastening effect.

In addition, fasten the part of seat 260 contact shells 220 medial surfaces, further extend to form guidance part 262, be formed with one first fluting 262a and one second fluting 262b on the guidance part 262.On the medial surface of shell 200, the then corresponding guide rail 222 that forms, make and fasten seat 260 and can not break away from order to be incorporated into guidance part 262 from the inner surface of shell 220, separate with the adhesion quantity not sufficient that fastens seat 260 to avoid dialling the holding section 252 cut key 250, guide rail 222 can be guided and be fastened seat 260 and reciprocatingly slide along a straight line simultaneously.Then be formed with a location projection 222a on the guide rail 222, selectively embed the first fluting 262a and one second fluting 262b, cut key 250 and be fixed in primary importance M or second place N and will fasten seat 260 and dial.

See also shown in Fig. 5 A, Fig. 5 B and Fig. 6 A, wherein Fig. 6 A is along the generalized section of A-A ' line among Fig. 5 B.Engage with each other because dial to cut key 250 and fasten seat 260, cut key 250 and fasten seat 260 formation interlock states so dial, when dialling when cutting key 250 and being positioned at primary importance M, i.e. drive fastens seat 260 and slides onto in the button 210, and stopping that button 210 presses the stroke by function, reach the mobile purpose of interfering button 210 then.

Please consult again shown in Fig. 6 B, among Fig. 5 B along the generalized section of B-B ' line.When dialling when cutting key 250 and being positioned at primary importance M, the locating convex block 222a of guide rail 222 embeds among the first fluting 262a of guidance part 262, makes to dial to cut key 250 and fasten seat 260 to be fixed in primary importance M, can the displacement because of external force vibration.

See also shown in Fig. 7 A, Fig. 7 B and Fig. 8 A, wherein Fig. 8 A is along the generalized section of A-A ' line among Fig. 7 B.And cut key 250 and dialled when moving side second place N when dialling, i.e. drive fastens seat 260 and slides onto the pressure of button 210 by outside the stroke, remove and interfere moving of button 210, button 210 can be pressed and be pressed and the trigger switch actuating this moment, and utilized elastic parts 230 to reply button 210 to original neutral position.

Please consult again shown in Fig. 8 B, among Fig. 7 B along the generalized section of B-B ' line.When dialling when cutting key 250 and being positioned at second place N, the locating convex block 222a of guide rail 222 embeds among the second fluting 262b of guidance part 262, makes to dial to cut key 250 and fasten seat 260 to be fixed in second place N, can the displacement because of external force vibration.

The present invention can see through simple change action, interferes button 210 moving, and makes button 210 be fixed in the neutral position, and can not be subjected to pressed by external force and displacement.Thus, just can avoid button 210, produce the faulty operation action outside the expection, thus button 210 be produced protective effect by false touch.

Claims

1. press key protecting equipment, wherein button is located on the shell, it is characterized in that, and this protective device comprises:

One chute, it is located at outside this shell on the side, and this chute has a through hole and is communicated with side and medial surface outside this shell;

Cut key for one group, it is located in this chute, carries out linear shift reciprocately between the primary importance of this chute and the second place, and this group cuts key and extend a holding section and extend to side within this shell by this through hole; And

One fastens seat, and it is located at side within this shell, and engages mutually with this holding section;

When this group cuts key in this primary importance, drive this fasten the seat slide onto in this button, interfere the displacement of this button, when this group cuts key in this second place, drive this fasten the seat slide onto outside this button, remove this interference.

2. press key protecting equipment according to claim 1 is characterized in that, this fastens seat and has a connecting hole, and corresponding to this through hole of this chute, this holding section penetrates this connecting hole after can passing this through hole, engages mutually and fasten seat with this.

3. as the press key protecting equipment as described in the claim 2, it is characterized in that sidewall is formed with outstanding snap flange within this connecting hole, this holding section is sticked in this snap flange.

4. press key protecting equipment according to claim 1; it is characterized in that; this fastens the part that seated connection touches side within this shell and extends to form a guidance part; and guide rail that should guidance part is formed at the medial surface of this shell; be incorporated into this guidance part and make this fasten seat not break away from the medial surface of this shell, and this guide rail can be guided this and fastened seat and reciprocatingly slide along a straight line.

5. as the press key protecting equipment as described in the claim 4; it is characterized in that; this guidance part is formed with one first fluting and one second fluting; and this guide rail forms a location projection; it embeds this first fluting or this second fluting, and this is fastened seat and this group cuts key and be fixed in this primary importance or this second place.

6. the electronic installation of a tool key switch protective device is characterized in that, comprises:

One shell has a key hole on this shell;

One button is movably set in this key hole; And

This protective device is interfered the displacement of this button, and this protective device includes a chute, be located at outside this shell on the side, and this chute has a through hole and is communicated with side and medial surface outside this shell; Cut key for one group, be located in this chute, between the primary importance of this chute and the second place, carry out linear shift reciprocately, and this group cuts key and extend a holding section and extend to side within this shell by this through hole; And one fasten seat, and it is located at side within this shell, and engages mutually with this holding section;

7. as the electronic installation of the tool key switch protective device as described in the claim 6, it is characterized in that this fastens seat and has a connecting hole, corresponding to this through hole of this chute, this holding section penetrates this connecting hole after can passing this through hole, engages mutually and fasten seat with this.

8. as the electronic installation of the tool key switch protective device as described in the claim 7, it is characterized in that sidewall is formed with outstanding snap flange within this connecting hole, this snap flange is done in this holding section engaging.

9. as the electronic installation of the tool key switch protective device as described in the claim 6; it is characterized in that; this fastens the part that seated connection touches side within this shell and extends to form a guidance part; and guide rail that should guidance part is formed at the medial surface of this shell; be incorporated into this guidance part and make this fasten seat not break away from the medial surface of this shell, and this guide rail can be guided this and fastened seat and reciprocatingly slide along a straight line.

10. as the electronic installation of the tool key switch protective device as described in the claim 9; it is characterized in that; this guidance part is formed with one first fluting and one second fluting; and this guide rail forms a location projection; it embeds this first fluting or this second fluting, and this is fastened seat and this group cuts key and be fixed in this primary importance or this second place.