CN201397752Y

CN201397752Y - Key structure

Info

Publication number: CN201397752Y
Application number: CN2009201498076U
Authority: CN
Inventors: 许温侯; 黄骥德
Original assignee: Ortek Techcnology Inc
Current assignee: Ortek Techcnology Inc
Priority date: 2009-04-22
Filing date: 2009-04-22
Publication date: 2010-02-03
Anticipated expiration: 2019-04-22

Abstract

The utility model discloses a key structure, which comprises a middle plate, a bridge and a key cap, wherein the middle plate is provided with three hook bodies, and the hook bodies can be just engaged with the lower ends of two reversing frames provided with the bridge, and the upper ends of the two reversing frames are connected with the key cap, so that the bridge is easier to be assembled with the middle plate and the key cap, so as to increase the efficiency of automatic assembly.

Description

Press-key structure

Technical field

The utility model relates to press-key structure, and it utilizes three set trip bodies of plate in one and bridge formation clamping mutually.

Background technology

Known keyboard structure, as No. the 237991st, the novel patent of TaiWan, China " bridge formation formula computer key switch ", by a keycap, plate combines in one bridge formation and, its feature: form by a post frame of this bridge formation and a tenon frame and to intersect the structure of pivot joint, promptly, these post frame two mast central authorities are each tool one post hole then, a tenon stamen is respectively extended in the tenon bar mediad inboard of this tenon frame, and but embedding is through at this post hole of this post frame, make into the state of pivot joint, so, the upper end of this post frame and this tenon frame is embedded in the set clip body of this keycap respectively and is contained in a paste and a cap intercostal of this keycap, the lower end of this post frame and tenon frame then is contained in the plate hook of plate in this respectively and on the board slot, promptly should each four ends of bridge formation upper and lower side angle be connected in this keycap and should between plate, make the location of this keycap firm.

Again, known another kind of keyboard structure, as No. the 301431st, the novel patent of TaiWan, China " computer key structure ", by a keycap, plate combines in one bridge formation and, its feature: intersect relative side frame bar and be provided with a trip device by two of this bridge formation frame that reverses, this trip device is provided with a tongue-and-groove and a tenon in this bridge formation one frame both sides of reversing, and be provided with a corresponding tenon and a tongue-and-groove at another frame two side frame bars that reverse, make two reverse the frame tabling and by this tenon to should tongue-and-groove recessed, protruding principle and the tenon that intersects is joined, so, two upper ends of reversing frame are embedded in respectively in this keycap set the clip body and a trip body, the lower end then is contained in respectively on the plate hook and a board slot of plate in this, easy speech, this bridge formation up and down four end angles also be connected to this keycap and should between plate, make the location of this keycap firm.

Only, as above-mentioned two kinds of known press-key structures, be all identical for this bridge formation with the assembling mode that is somebody's turn to do middle plate, all four end angles by this bridge formation connect this bridge formation and are somebody's turn to do middle plate, fit in automation, owing to whether fully must take the angle clamping of four ends into account, thereby improve the complexity of its assembling, again, this corresponding plate hook and the opening of this board slot are distinguished in the lower end of these frames that reverse, and are opposite direction, cause these to reverse frame in sticking into this plate hook and this board slot the time, these reverse frame and in this plate can produce to a certain degree distortion, make the disqualification rate of this press-key structure in assembling be difficult to all the time descend, thereby increased the cost in the automation assembling.

Known keycap, its structure is one-body molded and make and to finish, and above-mentioned two kinds of known press-key structures, all be provided with two clip bodies in this keycap, this clip body is provided with a depressed part near the position of this keycap bottom surface, the position that causes this clip body and this keycap bottom surface to join, it is comparatively weak that its structural strength becomes, and make this keycap when the demoulding, this clip body is easily pullled and is ruptured at the mould of this depressed part by clip, cause this keycap to produce disqualification rate and improve, become known press-key structure in the assembling and the cost on producing be difficult to the reason that reduces all the time.

Because above-mentioned known press-key structure, integrated circuit board is connected to the mode of this bridge formation in being somebody's turn to do, and the shortcoming that produces on the structure due to this clip shape of this keycap, the cost that all is enough to cause assembling and produces increases, for improving known shortcoming, the design people is through the permanent research and experiment of making great efforts, and development and Design goes out a kind of press-key structure of the present utility model finally.

The utility model content

The purpose of the utility model provides a kind of press-key structure, comprise a keycap, plate in one bridge formation and, wherein should offer most holes by middle plate, should be provided with 2 first trip bodies in a side of contiguous this hole by middle plate, the opposite side of this hole is provided with one second trip body, this bridge formation includes one first frame and one second frame that reverses that reverses, this first frame and this second frame that reverses that reverses is articulated together in centre, and this first reverse frame and this second end that reverses frame is connected together mutually with this keycap, again, this first other end that reverses frame is connected to this second trip body, and this second end that reverses frame is connected to this 2 first trip body respectively, make the assembling between plate and this bridge formation in this, from the mode of 4 known clampings, improvement is the mode of 3 clampings; Again, with the open design of this 2 first trip body and this second trip body is towards same direction, make in this plate and this first frame and this second frame that reverses that reverses not yielding when clamping, make this press-key structure when automation is assembled, can significantly reduce disqualification rate, and be easier to the assembling and can promote its production efficiency.

Another purpose of the utility model, this keycap is provided with a clip body that is recess in the face of the one side of this bridge formation, and a side of this clip body is provided with an inclined plane, and side is provided with one and colludes body in addition, collude the design of body by this inclined plane and this, make this keycap when one-body molded ejaculation,, make this clip body under less deflection because of this clip body only blocks mould with the single body that colludes, can make this clip body of mould separating, so this clip body will be not fragile, can improve the production qualification rate of this keycap.Again, when this bridge formation is assembled in this clip body, can snaps in this smoothly by this inclined plane again and collude in the body, and desire is when taking out this bridge formation and keeping in repair, this bridge formation can be taken out easily as the mode of the demoulding.

The technical solution of the utility model is:

A kind of press-key structure, it comprises:

One keycap;

Plate in one offers a plurality of holes on the plate in this, plate is provided with 2 first trip bodies symmetrically in a side of adjoining this hole in this, and plate is provided with one second trip body at the opposite side of adjoining this hole in this;

One builds bridge, this bridge formation is intersected the pivot joint that can reverse and is constituted by one first frame and one second frame that reverses that reverses, and this first reverse frame and this second end that reverses frame is connected together mutually with this keycap, and this first other end that reverses frame is connected to this second trip body, and this second other end that reverses frame is connected to this 2 first trip body;

One triggering component is located in this hole, and passes the position that contacts this keycap by this first frame that reverses with this second frame that reverses.

In preferred embodiment, this first frame that reverses is a framework, and the one end is provided with one first connecting axle, and the other end is provided with one first bar axle; This keycap bottom is provided with two clip bodies symmetrically in the position near an end limit, and this first connecting axle can be connected in this clip body; And should in plate this second trip body vertical below be concaved with a groove, this first bar axle can be connected between this second trip body and this groove.

In preferred embodiment, the opening direction of this 2 first trip body and this second trip body is all towards same direction.

In preferred embodiment, these first bar axle two ends stretch out again and are provided with one first protuberance, and this first protuberance can be contained in this groove.

In preferred embodiment, this second frame that reverses also is a framework, and the one end is provided with one second bar axle, these second bar axle, two ends one second protuberance that stretches out, and this second other end that reverses frame has one second connecting axle, and this second connecting axle stretches out; Should in plate this first trip body vertical below be concaved with a clip slot, between this first trip body and this clip slot of this second bar axle interlocking plate in this; And the position on its close other end limit, bottom of this keycap is provided with two abutting parts symmetrically, and this 2 second connecting axle then is connected to this abutting part.

In preferred embodiment, this first reverses between the frame two ends and to connect with 2 first frame bars, outwards convexes with a drive-connecting shaft on this first frame bar; And this second reverses between the frame two ends and to connect with 2 second frame bars, is provided with a pivoted hole on this second frame bar, and this first frame that reverses passes through the pivot joint of this pivoted hole and this drive-connecting shaft with this second frame that reverses, for intersecting the setting of reversing.

In preferred embodiment, plate is respectively equipped with a holding tank in two sides of this hole and adjacent this first trip body and this second trip body in this, and this holding tank can hold the articulated section of this first frame bar and this second frame bar.

In preferred embodiment, a side of this clip body is provided with an inclined plane, and in addition side is provided with to should first connecting axle and be a body that colludes in order to this first connecting axle of clamping of the type of colluding.

Characteristics of the present utility model and advantage are: it comprises plate in, a bridge formation and a keycap, wherein should be provided with three trip bodies by middle plate, these trip bodies just can with these set two frame lower end clampings mutually of reversing of building bridge, this two reverse frame upper end then joins with this keycap, make that this bridge formation is easier to fit together mutually with being somebody's turn to do middle plate and this keycap, to increase the automation assembling efficiency.

Description of drawings

Fig. 1 is the solid combination schematic diagram of the utility model press-key structure preferred embodiment.

Fig. 2 is the schematic diagram that the utility model is built bridge.

Fig. 3 is the schematic diagram of the utility model keycap.

Fig. 4 is the schematic diagram of plate in the utility model.

Fig. 5 is the reverse schematic diagram of frame of the utility model first.

Fig. 6 is the reverse schematic diagram of frame of the utility model second.

Fig. 7 is the schematic diagram that the utility model press-key structure is pressed down action.

Fig. 8 is the schematic diagram of utility model press-key structure erection sequence.

Description of reference numerals:

Keycap ... 1 clip body ... 12

The inclined plane ... 120 collude body ... 122

Abutting part ... plate in 14 ... 2

The first trip body ... 20 holding tanks ... 21

Clip slot ... 22 second trip bodies ... 24

Groove ... 26 holes ... 28

Build bridge ... 3 first frames that reverse ... 4

First connecting axle ... 40 first bar axles ... 42

The first frame bar ... 44 drive-connecting shafts ... 46

First protuberance ... 48 second frames that reverse ... 5

The second bar axle ... 50 second connecting axles ... 52

The second frame bar ... 54 pivoted holes ... 56

Second protuberance ... 58 triggering component ... 7

Embodiment

The utility model proposes a kind of press-key structure, see also Fig. 1 to shown in Figure 4, it includes in the keycap 1, a plate 2, one 3 and one triggering component 7 of building bridge and assembles, wherein should offer a plurality of holes 28 on the middle plate 2, should in plate 2 at the 2 first trip bodies 20 that are provided with of a side symmetry of adjacent this hole 28, opposite side is provided with one second trip body 24.This bridge formation 3 is provided with one first frame 4 and one second frame 5 that reverses that reverses, this first frame 4 that reverses intersects being articulated together of can reversing with this second frame 5 that reverses, and this first reverse frame 4 and this second end that reverses frame 5 is connected together mutually with this keycap 1, again, this first other end that reverses frame 4 is connected to this second trip body 24, and this second end that reverses frame 5 is connected to this 2 first trip body 20 respectively, make the assembling of 3 of plates 2 and this bridge formation in this, mode from known four clamping positions, improvement is the mode of three clamping positions, this press-key structure is in when assembling, is easier to assembling and can promotes its production efficiency.

In a preferred embodiment of the present utility model, see also shown in Figure 3, this keycap 1 is one-body molded, its bottom is provided with two clip bodies 12 of symmetry in the position near an end limit, should middle plate 2 be a plate body, should in plate 2 this second trip body 24 vertical below the position be concaved with a groove 26 (as shown in Figure 4), this first frame 4 that reverses is a framework (as shown in Figure 5), this first end that reverses frame 4 is established one first connecting axle 40, this first connecting axle 40 just can be connected in this clip body 12 of this keycap 1, this first other end that reverses frame 4 is provided with one first bar axle 42, and these first bar axle, 42 correspondences are connected to 26 of this second trip body 24 and this grooves.Because, this first bar axle 42 is connected this and first reverses between the both sides of the other end of frame 4, make this first bar axle 42 can strengthen this first structural strength of reversing frame 4, and these first bar axle, 42 two ends stretch out again and are provided with one first protuberance 48, this first protuberance 48 is contained in this groove 26, with the length of being extended, increase the lifting surface area of this press-key structure integral body, so the degree of balance of integral body can promote this press-key structure and be pressed the time by this first protuberance 48.

Again, in this embodiment, see also shown in Figure 3 again, position near other end limit is provided with two abutting parts 14 to this keycap 1 symmetrically in the bottom, and should in plate 2 this first trip body 20 vertical below, be concaved with a clip slot 22 (as shown in Figure 4), other sees also shown in Figure 6, this second frame 5 that reverses also is a framework, this second end that reverses frame 5 is provided with one second bar axle 50, the two ends of this second bar axle 50 one second protuberance 58 that stretches out, make 58 interlockings of this second protuberance 22 of this first trip body 20 and this clip slots, and the some of this second protuberance 58 is protruded 22 of this first trip body 20 and this clip slots, the length of being extended by this second protuberance 58, can increase the lifting surface area of this press-key structure integral body, the degree of balance when being pressed in order to promote this button, this second other end that reverses frame 5 has one second connecting axle 52 again, not only can be in order to be connected to this abutting part 14, and because of this second connecting axle 52 stretches out, increase the lifting surface area of this press-key structure integral body, so also can strengthen the degree of balance of this press-key structure integral body.

Again, see also Fig. 5 and shown in Figure 6 again, this first reverses between frame 4 two ends and to connect with 2 first frame bars 44, outwards convexes with a drive-connecting shaft 46 on this first frame bar 44; And this second reverses between frame 5 two ends and to connect with 2 second frame bars 54, is provided with a pivoted hole 56 on this second frame bar 54, by the pivot joint of this pivoted hole 56 with this drive-connecting shaft 46, makes this first frame 4 that reverses can intersect and reverse with this second frame 5 that reverses.

Design by said structure, see also shown in Figure 8, its combination intersects pivot joint with this drive-connecting shaft 46 and this pivoted hole 56 are corresponding in regular turn, make this first frame 4 and this second frame 5 that reverses that reverses be combined as this bridge formation 3, and this first bar axle 42 is connected to 26 of this second trip body 24 and this grooves, these second protuberance, 58 interlockings are in this first trip body 20 and this clip slot 22, make this bridge formation 3 state that in this, can become to reverse on the plate 2, this first frame 4 that reverses that again this triggering component 7 is passed that 3 liang of this bridge formations intersect, this second centre of reversing frame 5, and be placed on this hole 28, at last should abutting part 14 with 52 pairs of this second connecting axles, to be connected on this abutting part 14, and this keycap 1 covered in this on plate 2, make this first connecting axle 40 can be corresponding and this clip body 12 of this keycap 1 of clamping, to finish the assembling of this press-key structure.So, this first this first bar axle 42 that reverses frame 4 is connected in this in second trip body 24 of this on plate 2, second reverse in this first trip body 20 and this clip slot 22 of two ends interlockings plate 2 in this of this second bar axle 50 of frame 5 with this, plate 2 and 3 of this bridge formations are 3 clamping in being somebody's turn to do, more known 4 assembling is rapider simple and easy, thereby makes the group pressure of this press-key structure become more easy.And the opening direction of this first trip body 20 and this second trip body 24 is all towards same direction, after this bridge formation 3 and this keycap 1 are assembled, the lower end of this bridge formation 3, i.e. this first bar axle 42 and this second bar axle 50, getting final product in the same way toward this first trip body 20 and this second trip body 24 interior buttons, so, can make this bridge formation 3 and be somebody's turn to do middle plate 2 and when assembling, be difficult for causing the disqualification rate raising because of producing to be out of shape, on the assembly working that adopts the automated machine formula, more can promote production efficiency and quality, see also the upright state of group of this press-key structure shown in Figure 1 again.

See also shown in Figure 7, when this press-key structure is pressed and descends, this keycap 1 this triggering component 7 of compressing, this first bar axle 42 in this second trip body 24, from these second trip body, 24 inboards, move to the direction of leaving this triggering component 7, again, because the contact area that this second trip body 24 and this middle plate are 2 is big, make the structural strength of 2 of this second trip body 24 and this middle plates preferable, make that this first bar axle 42 is dialled when this second trip body 24, this second trip body 24 is difficult for fracture damage, and can improve the shortcoming of the board slot structure deficiency of plate in the tradition.

Again, see also shown in Figure 7 again, plate 2 is in two sides of this hole 28 and adjacent this first trip body 20 and this second trip body 24 in being somebody's turn to do, be respectively equipped with a holding tank 21, this holding tank 21 can hold the articulated section of this first frame bar 44 and this second frame bar 54, make this press-key structure be able to falling of level, and be pressed together in this on plate 2.

See also Fig. 2 and shown in Figure 3 again, the shape of this clip body 12 is a recess, one side of this clip body 12 is provided with an inclined plane 120, in addition side is provided with to should first connecting axle 40 and be one of the type of colluding and collude body 122, this colludes body 122 in order to this first connecting axle 40 of clamping, make these clip body 12 back difficult drop-offs of these first connecting axle, 40 clampings, and this keycap 1 is in manufacture process, especially refer to when carrying out demoulding, this clip body 12 colludes the design of body 122 by this inclined plane 120 and this, make this keycap 1 when one-body molded ejaculation, block mould, make this clip body 12 under less deflection because of this clip body 12 only colludes body 122 with single this, can make this clip body 12 of mould separating, so this clip body 12 will be not fragile, and the production qualification rate of this keycap 1 can be provided.Again, when this first connecting axle 40 is assembled in this clip body 12, can snaps in this smoothly by this inclined plane 120 again and collude in the body 122, and desire is when taking out this first connecting axle 40 and keeping in repair, this first connecting axle 40 can be removed as the mode of the demoulding.

By the design of said structure, shape, this press-key structure can be reached purpose and effect what follows:

1, by this first trip body 20 on the plate in this 2 and the design of this second trip body 24, make this first reverse lower end of frame 5 of frame 4 and this second of reversing of this bridge formation 3, mode with 3 clampings, be connected in this on plate 2, can effectively simplify the mode of 4 clampings of aforementioned known press-key structure, and increase automation assembling efficiency, and the opening direction of this first trip body 20 and this second trip body 24 identical towards same direction, make this bridge formation 3 and should in plate 2 is equidirectional when assembling get final product toward interior button, be difficult for causing the disqualification rate raising because of producing distortion.

2, this first this first bar axle 42 that reverses frame 4 of the present utility model, be connected this first 44 on two these first frame bars that reverse frame 4, known press-key structure does not have this design, can effectively strengthen this first structural strength of reversing frame 4, again, the trip body of plate is two in known, and structure is comparatively weak, compare this second trip body 24 of plate 2 in this, be whole being connected on this first bar axle 42, so the structure of this second trip body 24 is more firm than known design, it is not fragile again to be convenient to keep in repair dismounting, and then the durability of promoting whole press-key structure.

3, the utility model is improved the shape of this clip body 12 of this keycap 1, makes integrated this keycap 1 easier demoulding, and improves the production qualification rate of this keycap 1, effectively reduces production costs.

4, by the structure of this first bar axle 42 of the utility model, this first protuberance 48, this second bar axle 50 and these second connecting axle, 52 extensions, all increase the lifting surface area of this press-key structure integral body, and then strengthen the degree of balance of this press-key structure integral body, so, when the different parts of this keycap 1 of pushing this press-key structure, still can make falling and unlikely escape of this press-key structure level.

The above, only be a specific embodiment of the utility model the best, only structural feature of the present utility model is not limited thereto, and anyly is familiar with this skill person in the utility model field, can think easily and variation or modification, all can be encompassed in the claim of this case.

Claims

1. A button structure, characterized in that it comprises:

One key cap;

A middle plate, the middle plate is provided with a plurality of holes, the middle plate is symmetrically provided with two first hook bodies on the side adjacent to the holes, and the middle plate is arranged on the other side adjacent to the holes A second hook body is provided;

A bridge, the bridging is composed of a first reversing frame and a second reversing frame intersecting and reversible hinge, and one end of the first reversing frame and the second reversing frame and the key The caps are connected together, and the other end of the first reversing frame is engaged with the second hook body, and the other end of the second reversing frame is engaged with the two first hook bodies;

A touch component is arranged in the hole, and passes through the first reversing frame and the second reversing frame to a position where it contacts the keycap.

2. The button structure according to claim 1, wherein the first reversing frame is a frame body, one end of which is provided with a first connecting shaft, and the other end is provided with a first rod shaft;

The bottom of the keycap is symmetrically provided with two clamping bodies near one end edge, and the first connecting shaft can be clamped in the clamping body;

And the middle plate is provided with a groove vertically below the second hook body, and the first shaft can be clamped between the second hook body and the groove.

3. The button structure according to claim 1, wherein the opening directions of the two first hook bodies and the second hook body face the same direction.

4. The button structure as claimed in claim 2, wherein a first protruding portion extends outward from both ends of the first shaft, and the first protruding portion can be accommodated in the groove.

5. The button structure according to claim 1, characterized in that, the second reversing frame is also a frame body, one end of which is provided with a second shaft, and the two ends of the second shaft extend outwards to a second a protruding part, the other end of the second reversing frame has a second connecting shaft, and the second connecting shaft extends outward;

The middle plate is provided with a clamping groove vertically below the first hook body, and the second rod shaft is embedded between the first hook body and the clamping groove of the middle plate;

The bottom of the keycap near the other end is symmetrically provided with two abutting portions, and the two second connecting shafts abut against the abutting portions.

6. The button structure according to claim 1, wherein the two ends of the first reversing frame are connected by two first frame rods, and a pivot shaft protrudes outward from the first frame rod;

The two ends of the second reversing frame are connected by two second frame rods, and a pivot hole is provided on the second frame rod, and the first reversing frame and the second reversing frame pass through the pivoting holes. The pivotal connection with the pivotal shaft can be cross-reversed.

7. The button structure according to claim 1, wherein the middle plate is respectively provided with a receiving groove on two sides of the hole and adjacent to the first hook body and the second hook body, and the receiving groove The pivot joint of the first frame rod and the second frame rod can be accommodated.

8. The button structure according to claim 2, wherein one side of the clip body is provided with an inclined surface, and the other side is provided with a hook-shaped hook corresponding to the first connecting shaft for clipping the The hook body of the first connecting axis.