CN201038028Y

CN201038028Y - Key structure of key board

Info

Publication number: CN201038028Y
Application number: CNU200720141383XU
Authority: CN
Inventors: 陈道生
Original assignee: SHENGYA CO Ltd
Current assignee: SHENGYA CO Ltd; CAN Tech Co Ltd
Priority date: 2007-04-02
Filing date: 2007-04-02
Publication date: 2008-03-19
Anticipated expiration: 2017-04-02

Abstract

The utility model relates to a key structure of a keyboard, which enhances the rising speed of the key in a form of limiting the bottom of an elastic coupling body to expand out, and makes the diameter of a N-shaped pull bar of the key gradually reduced toward both ends of a main body of the N-shaped pull bar which has enough structural strength, the configuration of both sides of the main body on the N-shaped pull bar can be smoothly bended in molding, and even the tail-end bending of a hooking part of the N-shaped pull bar can be further hooked to increase the assembling stability of the main body of the key and the N-shaped pull bar.

Description

The key structure of keyboard

Technical field

The structural improvement of the relevant a kind of keyboard of the utility model is improved at button relative configurations partly especially, aims to provide that a kind of that button is moved up and down is more smooth and easy, improves the button rate of climb, and can obtain the keyboard structure of preferable sense of touch.

Background technology

As shown in Figures 1 and 2, be the keyboard of general personal computer and the structure cutaway view of last button thereof; Wherein, keyboard body 1 is provided with the plant of some socket 10 usefulness for button 20, then be provided with a circuit board 30 at the next place that corresponds to button 20, and between circuit board 30 and button 20, be provided with one and can be subjected to compressing of button 20 and make the elasticity coupler body 40 of circuit board 30 pairing circuit junction 31 conductings.

Wherein, socket 10 is formed with the slot 11 in order to guiding button 20 knee-actions, as for 20 cooperations of button be formed with one can penetrate slot compress post 21, and prevent the grab plate 23 that button 20 gets loose; Again, in the middle of the design of integral keyboard, include square button and microscler button, because microscler button stress point might be in its button central point position in addition, therefore microscler button is many to be provided with round guide pillar 22 corresponding to the both sides that compress part in addition, move up and down by circle guide pillar 22 aid in guide buttons 20, make moving up and down of button have basic smooth degree.

40 of its elasticity coupler body are one to be inverted recessed cup-shaped housing, be provided with one on its enclosure interior summit and couple salient point 41, mainly utilize recessed cup edge to contact with circuit board 30, reach the effect of support keys 20, and the pressure that is subjected to the user when button 20 is touched and when moving downwards, as shown in Figure 3, its elasticity coupler body 40 promptly is subjected to pressing and compression of button 20, and make and couple salient point 41 and contact with the circuit junction 31 of circuit board 30, and then constituting the conducting of this circuit junction 31, the beginning can be sent this button 20 pairing signals.

Again, when the user discharges when the pressure of button 20 touched, the elastic reaction that its elasticity coupler body 40 can utilization itself and return back to original shape is except being returned to button 20 ejections the propradation, it couples salient point 41 and also is separated with the circuit junction 31 of circuit board 30, and then ends sending of signal.

In the middle of the key structure that above-mentioned habit has, because elasticity coupler body 40 only contacts with circuit board 30 against its recessed cup edge, touch and during compression when elasticity coupler body 40 is subjected to the pressure of button 20, in fact the recessed cup edge of elasticity coupler body 40 produces stranding earlier and moves, and expands outwardly; In other words, when the operator discharged button 20, its elasticity coupler body 40 must be at the original shape before can further returning to not compression after the inside withdrawal in recessed cup edge, the rate of climb of therefore serious delay button 20, and then influence the handling of integral keyboard.

Moreover, also generally be provided with as shown in Figure 3 the button 20 that is commonly called as " space bar " in the middle of the general keyboard, the width of space bar is more broad, therefore also must be in that a ㄇ type pull bar 50 further is set between this button 20 and keyboard body 1, in order to the active force at these keyboard 20 two ends of balance; In principle, the body shaft of ㄇ type pull bar 50 is located on the body of button 20, the two ends of ㄇ type pull bar 50 then extend to round guide pillar 22 places of button 20 both sides at least, and bending becomes the hook parallel with main body and supports portion 51, stride on keyboard 1 body in the middle of the pairing hook portion 12 to utilize hook to support portion 51, make in the middle of the process of button 20 rise and fall the main body of its ㄇ type pull bar 50 and buckle to portion 51 and can button 20 normally be moved up and down relative to rotating with button 20 and keyboard body 1.

Yet, the ㄇ type pull bar 50 that habit has is bent by the single bar body of rod directly and is formed, support the type body moulding smoothly of portion for the configuration that makes the main body two ends and hook, the bar footpath of its ㄇ type pull bar 50 will be restricted, cause the intensity of ㄇ type pull bar 50 main bodys to reduce, can't keep the balance of button 20 really; Relative, be subjected to the restriction that ㄇ type pull bar 50 bodies must possess fundamental strength, the bar footpath of  type pull bar 50 also can not be too thin, so not only increase the difficulty of bending process, and generally hook only can present simple direct rod shape to portion 51, makes the ㄇ type pull bar 50 and the hook of keyboard body 1 hold poor effect.

Subsidiary one carry be, above-mentioned its circle guide pillar 22 and slot 11 form the circular hollow cylinder of different inner diameters sizes, so circle guide pillar 22 is bigger with slot 11 contacts area, it is the contact of whole circumference with contact-making surface, be easy to generate friction, cause the upper and lower motion of button 20 to have some setbacks, and can't obtain preferable sense of touch.

The utility model content

Promptly a kind of that button is moved up and down is more smooth and easy providing for main purpose of the present utility model, improves the button rate of climb, and the keyboard structure that can obtain preferable sense of touch; Take off purpose on reaching, mainly expand outwardly the mode of distortion, improve the speed that button rises with restriction elasticity coupler body base portion.

The technical solution of the utility model is:

A kind of key structure of keyboard includes: several use the socket of planting for button, and row is located on the keyboard body; Several are in order to pressed by the operator to touch and towards the button of keyboard body below motion, the socket under corresponding being inserted in; The set of circuits plate, the corresponding the next place of button that is located at, it is being provided with the circuit junction that belongs to specific signal with the corresponding position of each button; Several elasticity coupler body, one-body molded on same elastic substrate, corresponding with button respectively and circuit junction disposes, each main body elasticity coupler body is for being inverted recessed cup-shaped housing, and the enclosure interior summit is provided with one and couples salient point, each elasticity coupler body is subjected to the contact of button, couples the circuit junction that salient point touches circuit board, constitutes the conducting of this circuit junction.

A kind of key structure of keyboard includes: several are used for button plant socket, and row is located on the keyboard body; Several are in order to pressed by the operator to touch and towards the button of keyboard body below motion, the socket under corresponding being inserted in; The set of circuits plate, the corresponding the next place of button that is located at, it is being provided with the circuit junction that belongs to specific signal with the corresponding position of each button; Several elasticity coupler body, be cemented at individually on the circuit board and the corresponding position of circuit junction, each main body elasticity coupler body is for being inverted recessed cup-shaped housing, and the enclosure interior summit is provided with one and couples salient point, each elasticity coupler body is subjected to the contact of button, couple salient point and touch the circuit junction of circuit board, constitute the conducting of this circuit junction.

A kind of key structure of keyboard includes: several use the socket of planting for button, and row is located on the keyboard body; At least one is in order to pressed by the operator to touch and towards the button of keyboard body below motion, socket under corresponding being inserted in, be provided with a ㄇ type pull bar between its keyboard body, gradually towards the tail end convergent, the main body two ends of ㄇ type pull bar bending the becoming hook parallel with main body supports portion by the two ends of body in the bar of this ㄇ type pull bar footpath; The set of circuits plate, the corresponding the next place of button that is located at, it is being provided with the circuit junction that belongs to specific signal with the corresponding position of each button; Several elasticity coupler body, corresponding with button respectively and circuit junction disposes, each main body elasticity coupler body is for being inverted recessed cup-shaped housing, and the enclosure interior summit is provided with one and couples salient point, each elasticity coupler body is subjected to the contact of button, couple salient point and touch the circuit junction of circuit board, constitute the conducting of this circuit junction.

A kind of key structure of keyboard includes: several are used for button plant socket, and row is located on the keyboard body; At least one is in order to pressed by the operator to touch and towards the button of keyboard body below motion, socket under corresponding being inserted in, be provided with a ㄇ type pull bar between its keyboard body, the main body two ends of this ㄇ type pull bar bending the becoming hook parallel with main body supports portion, and the tail end that each hook supports portion is bent with one and hooks; The set of circuits plate, the corresponding the next place of button that is located at, it is being provided with the circuit junction that belongs to specific signal with the corresponding position of each button; Several elasticity coupler body, corresponding with button respectively and circuit junction disposes, each main body elasticity coupler body is for being inverted recessed cup-shaped housing, and the enclosure interior summit is provided with one and couples salient point, each elasticity coupler body is subjected to the contact of button, couple salient point and touch the circuit junction of circuit board, constitute the conducting of this circuit junction.

And, the ㄇ type pull bar bar footpath that makes button is gradually towards the two ends of main body convergent, make the main body of ㄇ type pull bar have enough structural strengths, and allow the configuration at ㄇ type pull bar main body two ends be able to smooth bending forming, even can be further the hook of ㄇ type pull bar be supported portion's tail end bending one and hook, to increase the assembling stability of ㄇ type pull bar and keyboard body.

Moreover, can on keyboard body, be provided with the rectangle guide groove that plugs for button, and in the middle of each rectangle guide groove, be provided with several grooves, then corresponding being provided with of its button stretched into compressing part and slightly becoming semi-moon shaped hollow male member of groove, certainly it compresses the configuration that part can also outwards protrude an arcuation protuberance for four corners, in order to do can significantly reducing the contact area that compresses part and hollow male member and groove, reduce the rubbing action of button and keyboard body, it is comparatively smooth and easy that button is moved up and down, and then allow the operator obtain preferable sense of touch.

Compare with above-mentioned existing known techniques, the utlity model has following effect:

1. the utility model adopts several elasticity coupler body are one-body molded on same elastic substrate, or be cemented at mode on the circuit board individually, limit each elasticity coupler body base portion and expand outwardly distortion, therefore can accelerate the speed that the elasticity coupler body resiles, use promoting the speed that button rises, it is preferable handling that integral keyboard is had.

2. the main body of the ㄇ type pull bar in the utility model has enough structural strengths, can keep the balance of button really.

3. the hook of the ㄇ type pull bar in the utility model supports portion's tail end and further is bent to form one and hooks, and can effectively promote the stability of ㄇ type pull bar assembling really.

4. the hollow male member that moves up and down in order to the guiding button in the utility model is for slightly being half moon configuration, when matching with groove, can significantly reduce the contact area of itself and groove, effectively reduce the rubbing action of button and keyboard body, it is comparatively smooth and easy that button is moved up and down, and then allow the operator obtain preferable sense of touch.

5. touch the configurations that part is four corners outside protrusion one arcuation protuberance that compress of elasticity coupler body compression in the utility model in order to pressure, when matching with groove, can significantly reduce the contact area of itself and groove, effectively reduce the rubbing action of button and keyboard body, it is comparatively smooth and easy that button is moved up and down, and then allow the operator obtain preferable sense of touch.

Description of drawings

Fig. 1 is a press-key structure exploded view of commonly using keyboard;

Fig. 2 is a structure cutaway view of commonly using button;

Fig. 3 is the  type of the commonly using Tiebar structure schematic diagram of button;

Fig. 4 is the keyboard exploded view of the utility model first embodiment;

Fig. 5 A is the press-key structure cutaway view of the utility model first embodiment;

Fig. 5 B is the actuation of keys schematic diagram of the utility model first embodiment;

Fig. 6 is the press-key structure cutaway view of the utility model second embodiment;

Fig. 7 is the hollow projection section structure cutaway view of button in the middle of the utility model first embodiment;

Fig. 8 is the keyboard exploded view of the utility model the 3rd embodiment;

Fig. 9 compresses part section structure cutaway view for button among the utility model the 3rd embodiment;

Figure 10 is the keyboard exploded view of the utility model the 4th embodiment;

Figure 11 A is the tail end structure enlarged drawing of ㄇ type pull bar among the utility model the 4th embodiment;

Figure 11 B is the tail end structure enlarged drawing of ㄇ type pull bar among the utility model the 5th embodiment.

[figure number explanation]

1 keyboard body, 10 sockets

11 slots, 12 rectangle guide grooves

13 grooves, 14 projections

20 buttons 21 compress post

22 circle guide pillars, 23 grab plates

24 keycaps 25 support part

251 support portion's 26 hollow male members

261 grooves, 27 protruding buttons

271 shell fragments, 28 protuberances

30 circuit boards, 31 circuit junctions

4 elastic substrates, 40 elasticity coupler body

41 couple salient point 50 ㄇ type pull bars

51 hooks support portion 52 and hook

Embodiment

The key structure of the utility model keyboard aims to provide that a kind of that button is moved up and down is more smooth and easy, improves the button rate of climb, and the keyboard structure that can obtain preferable sense of touch; Shown in Fig. 4, Fig. 5 A and Fig. 5 B, the basic structure of integral keyboard button is formed, and includes at least:

Several sockets 10, row is located on the keyboard body 1 plant for button/20, its socket 10 has a rectangle guide groove 12, in the zone of rectangle guide groove 12, be provided with at least one groove 13, this groove 13 can be circle or rectangle when implementing, and socket 10 can be planted for square or microscler button 20.

Several corresponding buttons 20 that are inserted in socket 10, its can for the square or microscler keycap 24 of tool configuration, the below of its keycap 24 is provided with one and compresses part 25, mainly be subjected to operator's pressure to touch and move towards keyboard body 1 below by keycap 24, and via elasticity coupler body 40 compressions that compress part 25 contact circuit boards 30 tops.

Set of circuits plate 30, the corresponding button 20 the next places that are located at, it is being provided with the circuit junction 31 that belongs to specific signal with each button 20 corresponding position.

Several and the button 20 corresponding elasticity coupler body 40 that dispose with circuit junction 31, its main body is for being inverted recessed cup-shaped housing, its enclosure interior summit is provided with one and couples salient point 41, mainly be subjected to the contact of button 20 and compression, and coupling salient point 41 at it touches under the situation of circuit junction 31 of circuit board 30, constitute the conducting of this circuit junction 31, the beginning can be sent this button 20 pairing signals.

Especially, in the middle of Fig. 5 A and embodiment shown in Figure 6, respectively 40 of elasticity coupler body are not cemented at (shown in Fig. 5 A) on the circuit board 30, or with several elasticity coupler body 40 one-body molded on same elastic substrate 4 mode of (as shown in Figure 6), limit each elasticity coupler body 40 base portion and expand outwardly distortion, therefore can accelerate the speed that elasticity coupler body 40 resiles, use promoting the speed that button rises, it is preferable handling that integral keyboard is had.

In the middle of embodiment shown in Figure 4, button 20 is a microscler button, its button 20 is provided with one in the central lower of keycap 24 and compresses outside the part 25, be provided with and slightly become semi-moon shaped hollow male member 26 corresponding to the both sides that compress part 25 in addition, move up and down by hollow male member 26 aid in guide buttons 20, make moving up and down of button 20 have basic smooth degree, be formed with three grooves 13 so cooperate in its rectangle guide groove 12, for button 20 compress part 25 and two hollow male members 26 stretch in the pairing groove 13; When implementing, compress part 25 and can be cylindric, and be provided with the pressure section 251 that is cross in the central, shown in the 5th figure A, the 5th figure B and the 6th figure, can make

compress part

26 and 40 acquisitions of elasticity coupler body preferable contact effect.

In addition, rectangle guide groove 12 ties up to wherein two groove 13 internal faces that are positioned at the outside and is formed with a projection 14, and 26 of its hollow male members are corresponding to be provided with and to constitute button with projection 14 and hold the protruding button 27 of effect; Please cooperate simultaneously with reference to Fig. 4 and shown in Figure 7, each hollow male member 26 ties up to broken respectively two grooves 261 that are provided with of wall in its outside, 261 of this two grooves then form a shell fragment 271, this protruding button 27 promptly is located at the root edge of shell fragment 271, with after hollow male member 26 stretches in the groove 13, can see through button that protruding button 27 and projection 14 constituted holds effect restriction button 20 and is unlikely and comes off arbitrarily, and move up and down by hollow male member 26 aid in guide buttons 20, make moving up and down of button 20 have basic smooth degree; Especially, please consult shown in Figure 6 simultaneously, the polyphyly of cooperation between its hollow male member 26 and the groove 13 forms 5 point-like and contacts, but not the surface of whole hollow male member 26 outer rims contact, therefore can significantly reduce the contact area of itself and groove 13, effectively reduce the rubbing action of button 20 and keyboard body 1, it is comparatively smooth and easy that button 20 is moved up and down, and then allow the operator obtain preferable sense of touch.

Certainly, its button 20 can also be square button shown in Figure 8, in the middle of embodiment shown in Figure 8, button 20 only is provided with one in the central lower of keycap 24 and compresses part 25, only be provided with a groove 13 then relatively in the rectangle guide groove 12, therefore the internal face at this groove 13 also is formed with projection 14; In addition, an arcuation protuberance 28 is outwards protruded in these four corners that compress part 25, broken respectively two grooves 261 that are provided with of the wall that compresses part 25 outsides, 261 of this two grooves then form a shell fragment 271, the same root edge at shell fragment 271 is formed with protruding button 271, compressing after part 25 stretches into groove 13, can see through the effect that holds of protruding button 27 and projection 14, button 20 is fastened in the socket 10 fast and is being unlikely and comes off arbitrarily; Especially, compressing part 25 contacts with groove 13 through each protuberance 28, as shown in Figure 9, each protuberance 28 stretches into and forms 8 point-like contacts in the groove 13 at most, but not therefore the whole surface contact that compresses part 25 outer rims can significantly reduce itself and the contact area of groove 13, effectively reduces the rubbing action of button 20 and keyboard body 1, it is comparatively smooth and easy that button 20 is moved up and down, and then allow the operator obtain preferable sense of touch.

Moreover as shown in figure 10, when button 20 was longer " space bar " of length, it further was provided with a ㄇ type pull bar 50 between this button 20 and keyboard body 1, in order to the active force at these keyboard 20 two ends of balance; In principle, the body shaft of ㄇ type pull bar 50 is located on the body of button 20, the two ends of ㄇ type pull bar 50 then extend to hollow projection 26 places of button 20 both sides at least, and bending becomes the hook parallel with main body and supports portion 51, stride on keyboard 1 body in the middle of the pairing hook portion 12 to utilize hook to support portion 51, make in the middle of the process of button 20 rise and fall the main body of its ㄇ type pull bar 50 and buckle to portion 51 and can button 20 normally be moved up and down relative to rotating with button 20 and keyboard body 1.

Shown in Figure 11 A and Figure 11 B, the ㄇ type pull bar 50 bars footpath that the utility model mainly makes button 20 gradually towards the two ends of main body convergent (a as shown in the figure〉b〉c d), make the main body of ㄇ type pull bar 50 have enough structural strengths, and allow the configuration at ㄇ type pull bar 50 main body two ends be able to smooth bending forming, even can be further the hook of ㄇ type pull bar 50 be supported portion's 51 tail ends bending one and hook 52 (shown in Figure 11 A), or shown in Figure 11 B, hook supports hooking of portion's 51 tail ends and 52 extends to ㄇ type pull bar 50 places, also this can be hooked 52 affixed with ㄇ type pull bar 50, to increase the assembling stability of ㄇ type pull bar 50 and keyboard body.

By above-mentioned structural design, really can accelerate the speed that the elasticity coupler body resiles, use the speed that button rises that promotes, it is preferable handling that integral keyboard is had, and make the configuration at the ㄇ type pull bar main body two ends of button be able to smooth bending forming, and the assembling stability that increases ㄇ type pull bar and keyboard body.

Technology contents of the present utility model and technical characterstic the sixth of the twelve Earthly Branches disclose as above, yet the personage who is familiar with this technology still may do various replacement and the modifications that do not deviate from this case utility model spirit based on announcement of the present utility model.Therefore, protection range of the present utility model should be not limited to those disclosed embodiments, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by following claim.

Claims

1. the key structure of a keyboard is characterized in that, includes:

Several use the socket of planting for button, and row is located on the keyboard body;

Several are in order to pressed by the operator to touch and towards the button of keyboard body below motion, the socket under corresponding being inserted in;

The set of circuits plate, the corresponding the next place of button that is located at, it is being provided with the circuit junction that belongs to specific signal with the corresponding position of each button;

Several elasticity coupler body, one-body molded on same elastic substrate, corresponding with button respectively and circuit junction disposes, each main body elasticity coupler body is for being inverted recessed cup-shaped housing, and the enclosure interior summit is provided with one and couples salient point, each elasticity coupler body is subjected to the contact of button, couples the circuit junction that salient point touches circuit board, constitutes the conducting of this circuit junction.

2. the key structure of a keyboard is characterized in that, includes:

Several are used for button plant socket, and row is located on the keyboard body;

Several elasticity coupler body, be cemented at individually on the circuit board and the corresponding position of circuit junction, each main body elasticity coupler body is for being inverted recessed cup-shaped housing, and the enclosure interior summit is provided with one and couples salient point, each elasticity coupler body is subjected to the contact of button, couple salient point and touch the circuit junction of circuit board, constitute the conducting of this circuit junction.

3. the key structure of a keyboard is characterized in that, includes:

At least one is in order to pressed by the operator to touch and towards the button of keyboard body below motion, socket under corresponding being inserted in, be provided with a ㄇ type pull bar between its keyboard body, gradually towards the tail end convergent, the main body two ends of ㄇ type pull bar bending the becoming hook parallel with main body supports portion by the two ends of body in the bar of this ㄇ type pull bar footpath;

Several elasticity coupler body, corresponding with button respectively and circuit junction disposes, each main body elasticity coupler body is for being inverted recessed cup-shaped housing, and the enclosure interior summit is provided with one and couples salient point, each elasticity coupler body is subjected to the contact of button, couple salient point and touch the circuit junction of circuit board, constitute the conducting of this circuit junction.

4. the key structure of a keyboard is characterized in that, includes:

At least one is in order to pressed by the operator to touch and towards the button of keyboard body below motion, socket under corresponding being inserted in, be provided with a ㄇ type pull bar between its keyboard body, the main body two ends of this ㄇ type pull bar bending the becoming hook parallel with main body supports portion, and the tail end that each hook supports portion is bent with one and hooks;

5. as the key structure of keyboard as described in the claim 4, it is characterized in that this hooks and extends to ㄇ type pull bar place.

6. as the key structure of keyboard as described in the claim 5, it is characterized in that this hooks with ㄇ type pull bar affixed.

7. as the key structure of keyboard as described in the claim 1,2,3 or 4, it is characterized in that this button is provided with one in the central lower of its keycap and compresses part, and be provided with and slightly become semi-moon shaped hollow male member corresponding to the both sides that compress part; This socket is inner to be cooperated to be formed with to use and compresses part and two three grooves that hollow male member stretches into for button; This rectangle guide groove two groove internal faces that are positioned at the outside therein is formed with a projection, and respectively corresponding being provided with projection formation button of this hollow male member held the protruding button of effect.

8. as the key structure of keyboard as described in the claim 1,2,3 or 4, it is characterized in that this button is provided with one in the central lower of its keycap and compresses part, and be provided with and slightly become semi-moon shaped hollow male member corresponding to the both sides that compress part; This socket is inner to be cooperated to be formed with to use and compresses part and two three grooves that hollow male member stretches into for button; This rectangle guide groove two groove internal faces that are positioned at the outside therein is formed with a projection, and respectively corresponding being provided with projection formation button of this hollow male member held the protruding button of effect; Respectively the wall of this hollow male member in its outside is broken respectively is provided with two grooves, forms a shell fragment between this two groove, and this protruding button promptly is located at the root edge of this shell fragment.

9. as the key structure of keyboard as described in the claim 7, it is characterized in that these central authorities that compress part are provided with the pressure section that is cross.

10. as the key structure of keyboard as described in the claim 8, it is characterized in that these central authorities that compress part are provided with the pressure section that is cross.

11. key structure as keyboard as described in the claim 1,2,3 or 4, it is characterized in that, this button is provided with one in the central lower of its keycap and compresses part, and this socket is inner to be cooperated to be formed with in order to this and compress part and two grooves that hollow male member stretches into, and the internal face of this groove is formed with projection; An arcuation protuberance is outwards protruded in these four corners that compress part, and is provided with at the outer side surface that compresses part and constitutes button with projection and hold the protruding button of effect.

12. key structure as keyboard as described in the claim 1,2,3 or 4, it is characterized in that, this button is provided with one in the central lower of its keycap and compresses part, and this socket is inner to be cooperated to be formed with in order to this and compress part and two grooves that hollow male member stretches into, and the internal face of this groove is formed with projection; An arcuation protuberance is outwards protruded in these four corners that compress part, and is provided with at the outer side surface that compresses part and constitutes button with projection and hold the protruding button of effect; This outer side surface that compresses part breaks respectively and is provided with two grooves, forms a shell fragment between this two groove, and this protruding button promptly is located at the root edge of this shell fragment.

13. the key structure as keyboard as described in the claim 11 is characterized in that these central authorities that compress part are provided with the pressure section that is cross.

14. the key structure as keyboard as described in the claim 12 is characterized in that these central authorities that compress part are provided with the pressure section that is cross.