CN102651284B

CN102651284B - Key structure provided with scissor-type connection element

Info

Publication number: CN102651284B
Application number: CN201110045387.9A
Authority: CN
Inventors: 陈柏安
Original assignee: Primax Electronics Ltd
Current assignee: Primax Electronics Ltd
Priority date: 2011-02-24
Filing date: 2011-02-24
Publication date: 2015-01-07
Anticipated expiration: 2031-02-24
Also published as: CN102651284A

Abstract

The invention provides a key structure provided with a scissor-type connection element. The scissor-type connection element includes a first framework provided with a convex block and a second framework provided with a groove; the height of the convex block is smaller than the length of an opening of the groove; and the bottom of the convex block is longer than the opening of the groove. When the convex block of the first framework enters the groove of the second framework, the convex block can be disengaged from the groove during the operation of the scissor-type connection element as the bottom of the convex block is longer than the opening of the groove. The invention has the advantages that the scissor-type connection element is easy to assemble and less prone to separate.

Description

There is the press-key structure of scissor Connection Element

Technical field

The present invention about a kind of press-key structure, especially about the press-key structure of key board unit.

Background technology

The input unit of common computer peripheral equipment comprises mouse apparatus, key board unit and Trackball device etc., and wherein key board unit directly can key in word and symbol to computer, therefore quite by the attention of user and input unit manufacturer.

First structure and the function of known key board unit are described, refer to Fig. 1, it is the surface structure schematic diagram of known key board unit.The surface of known key board unit 1 has multiple button 10, these buttons 10 are classified as general key, numerical key and function key etc., these buttons 10 produce corresponding signal to computer for user presses with finger, computer is made to perform touched keypress function, such as general key is in order to symbols such as inputting English letters, numerical key in order to input numeral, function key then in order to provide various function, such as F1 ~ F12 etc.

Each element of the press-key structure of the known key board unit of following explanation.Refer to Fig. 2, it is the STRUCTURE DECOMPOSITION schematic diagram of the press-key structure of known key board unit.Known press-key structure 2 comprises button cap 21, scissor Connection Element 22, elastomer 23, film switch circuit 24 and a base plate 25.Button cap 21 is in order to be touched and touched, and button cap 21 is connected with scissor Connection Element 22.Scissor Connection Element 22 is between button cap 21 and base plate 25, and it is connected to button cap 21 and base plate 25.And scissor Connection Element 22 comprises inner frame 221 and an outside framework 222, its inner frame 221 has an input axis 2211, and its outside framework 222 has a housing frame aperture 2221, to connect inner frame 221 and outside framework 222 through housing frame aperture 2221 by input axis 2211 and the swing making inner frame 221 carry out relative to outside framework 222 by this.Film switch circuit 24 is arranged on base plate 25, and elastomer 23 is then arranged between button cap 21 and film switch circuit 24, produces signal in order to trigger film switch circuit 24 when button cap 21 is pressed.

When press-key structure 2 is not touched, the button cap 21 of press-key structure 2 is arranged in one first height (not being shown in figure), and when press-key structure 2 is touched, button cap 21 is subject to a downforce, makes elastomer 23 be extruded and present compressive state.Meanwhile, inner frame 221 and the outside framework 222 of scissor Connection Element 22 swing along with button cap 21, make inner frame 221 and outside framework 222 parallel to each other, and elastomer 23 press the film switch circuit 24 on base plate 25 and produces signal.Now, the button cap 21 of press-key structure 2 is arranged in one second height (not being shown in figure), and the distance wherein between the first height and the second height is the stroke of press-key structure 2.Next when button cap 21 is no longer touched, button cap 21 is upwards supported because of the elastic-restoring force of elastomer 23, inner frame 221 and outside framework 222 rotate along with the traction of button cap 21, with the position making button cap 21 move to the first height, that is the home position before not being pressed.

In the process of press-key structure 2 movement, why button cap 21 can return to the first original height after being pressed, except by except the supporting of elastomer 23, also need the stroke that coordinating between inner frame 221 with outside framework 222 could control button cap 21 accurately and move up in Vertical Square.Therefore, scissor Connection Element 22 and whole press-key structure 2 quality and there is direct relation useful life.Moreover, in the process of assembling inner frame 221 and outside framework 222, first must strut outside framework 222 and expand be positioned at both sides housing frame aperture 2221 between distance after, input axis 2211 could be allowed to insert smoothly in housing frame aperture 2221 complete the assembling of inner frame 221 and outside framework 222.And this action strutting outside framework 222 not only adds the time of assembling press-key structure 2 and has influence on the efficiency of producing key board unit, on the other hand, strut outside framework 222 by external force also often cause the damage of outside framework 222 or permanent deformation and add extra production cost.In addition, when press-key structure 2 carries out slimming, on outside framework 222, be provided with a housing frame aperture 2221, make the overall structure of outside framework 222 become fragile and easily impaired.

In view of the defect of known press-key structure 2, a kind of scissor Connection Element is provided on the market and known press-key structure 2 can be improved.Refer to Fig. 3, it is the STRUCTURE DECOMPOSITION schematic diagram of the scissor Connection Element of the press-key structure of known key board unit.Known scissor Connection Element 3 comprises inner frame 31 and an outside framework 32, wherein inner frame 31 to have in one in projection 311, inner groovy 312,1 first rotating shaft 314 in rotating shaft 313 and one second, and outside framework 32 has outer groove 321, outer projection 322,1 first outer shaft 323 and one second outer shaft 324.When inner frame 31 and outside framework 32 in conjunction with time, interior projection 311 to be inserted in outer groove 321 and to be accommodated in outer groove 321, and outer projection 322 to be inserted in inner groovy 312 and to be accommodated in inner groovy 312.Inner frame 31 is combined with outside framework 32 and forms scissor Connection Element 3, and rotating shaft 313 is connected with base plate (not being shown in figure) in first of inner frame 31, inner frame 31 second in rotating shaft 314 be then connected with button cap (not being shown in figure).On the other hand, the first outer shaft 323 of outside framework 32 is connected with button cap, and the second outer shaft 324 of outside framework 32 is then connected with base plate.

In known scissor Connection Element 3, inner frame 31 and outside framework 32 are that in utilizing, projection 311 and outer projection 322 stretch into respectively in outer groove 321 and inner groovy 312 and be connected to each other, therefore, can avoid strutting the action of outside framework when assembling known scissor Connection Element 3 and complete assembling.Although interior projection 311 and outer projection 322 can enter outer groove 321 easily with inner groovy 312, similarly, interior projection 311 and outer projection 322 also depart from outer groove 321 and inner groovy 312 easily, cause inner frame 31 to be separated with outside framework 32.According to above-mentioned known, although known scissor Connection Element 3 does not need strut outside framework and complete assembling, known scissor Connection Element 3 has the problem that outside framework is easily separated with inner frame.

Summary of the invention

The technical problem to be solved in the present invention is, for prior art above shortcomings, provides a kind of and is easy to assembling and the not segregative press-key structure with scissor Connection Element.

The technical solution adopted for the present invention to solve the technical problems is to provide a kind of press-key structure with scissor Connection Element, and it comprises: base plate, the button cap above this base plate and the scissor Connection Element between this base plate and this button cap; This scissor Connection Element is in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate, and this scissor Connection Element comprises:

First framework, has projection, and this projection is positioned at the sidewall of this first framework, and this projection has bottom projection top and projection, and the bump height between bottom this projection top and this projection is less than the bump width of this projection; And

Second framework, be connected to this first framework, and this second framework has groove, this groove is positioned at the sidewall of this second framework, this groove is used to hold when this second framework is connected to this first framework this projection in wherein, and this groove has slot opening, the first recess sidewall and bottom portion of groove, and the length of this slot opening is greater than this bump height, the length of this slot opening is less than the recess width of this groove, and the length of this slot opening is less than this bump width; Wherein when this first framework is assembled in this second framework, this first recess sidewall is supported by the first projection kink of this projection and produces interference, and this first recess sidewall produces deformation and in conjunction with this first framework and this second framework.

This projection also comprises: the first projection sidewall between this projection top and the first projection kink, at the second projection sidewall of first side at this projection top and the second projection kink bottom this projection and between this second projection sidewall, this the second projection kink is used to contact with this bottom portion of groove when this first framework is assembled in this second framework and produces interferes, and this bump width is the length between this first projection kink and this second projection kink.

This first recess sidewall is positioned at the first side of this slot opening, when this first framework and combined and this first framework of this second framework are relative to this second frame stroke, this first recess sidewall stops this first projection sidewall of this projection and avoids this projection to depart from this groove.

This groove also comprises:

Second recess sidewall, is positioned at the second side of this slot opening, is used to contact with the 3rd projection kink of this projection when this first framework is assembled in this second framework and produces interfere;

First groove kink, between this first recess sidewall and this bottom portion of groove; And

Second groove kink, between this second recess sidewall and this bottom portion of groove, and this recess width is the length between this first groove kink and this second groove kink.

This first projection kink is for leading fillet structure or horn structure, and this second projection kink leads fillet structure or this horn structure for this, and this first groove kink is for leading fillet structure or horn structure, and this second groove kink leads fillet structure or this horn structure for this.

When this first framework is assembled in this second framework, this the second projection kink is introduced into this slot opening, and this first framework is made this first projection kink support this first recess sidewall by rotation and produces interference, this first recess sidewall is made to produce deformation and in conjunction with this first framework and this second framework.

This first recess sidewall also comprises the protuberance adjacent to this slot opening, this protuberance is used to supported by this first projection kink of this projection and produce deformation when this first framework is assembled in this second framework, make this first projection kink by this protuberance between this protuberance and this bottom portion of groove, with in conjunction with this first framework and this second framework.

This second framework also comprises this sidewall of being positioned at this second framework and adjacent to the auxiliary lug of this groove, and this auxiliary lug is used to this first framework relative to during this second frame stroke and this bump contact.

This first framework also comprises this sidewall of being positioned at this first framework and adjacent to the auxiliary flute of this projection, and this auxiliary flute is used to this first framework relative to holding this auxiliary lug during this second frame stroke in wherein.

This first framework is inner frame, and this second framework is outside framework, and this first framework is set up in the inner side of this second framework, and this first framework has centre bore.

Or this first framework is outside framework, and this second framework is inner frame, and this second framework is set up in the inner side of this first framework, and this second framework has centre bore.

The described press-key structure with scissor Connection Element also comprises:

Be arranged at the film switch circuit on this base plate, produce a push button signalling in order to be triggered; And

Be arranged at the elastomer on this film switch circuit, and this elastomeric bottom contacts with this film switch circuit, and this elastomer is through this scissor Connection Element, this elastomeric top is contacted with this button cap, and this elastomer triggers this thin film circuit switch in order to be supported by this button cap or provides elastic force to give this button cap.

When this button cap is touched, this first framework is relative to this second frame stroke, make this scissor Connection Element change to closed state by opening, and this elastomer supported by this button cap and triggers this thin film circuit switch, making this thin film circuit switch produce this push button signalling; When this button cap is no longer touched, this elastomer provides this elastic force to give this button cap, and this first framework is relative to this second frame stroke, this scissor Connection Element is made to change to this opening by this closed state and make this button cap move to home position.

The present invention also provides another kind to have the press-key structure of scissor Connection Element for solving its technical problem, and it comprises base plate, the button cap above this base plate and the scissor Connection Element between this base plate and this button cap; This scissor Connection Element is in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate, and this scissor Connection Element comprises:

First framework, has oval projection, and this oval projection is positioned at the sidewall of this first framework, and this oval projection has projection major axis and projection minor axis, and the length of this projection minor axis is less than the length of this projection major axis; And

Second framework, be connected to this first framework, and this second framework has groove, this groove is positioned at the sidewall of this second framework, this groove is used to hold when this second framework is connected to this first framework this projection in wherein, and this groove has slot opening, the first recess sidewall and bottom portion of groove, and the length of this slot opening is greater than the length of this projection minor axis, the length of this slot opening is less than the recess width of this groove, and the length of this slot opening is less than the length of this projection major axis; Wherein when this first framework is assembled in this second framework, this first recess sidewall is supported by the first longitudinal end of this oval projection and produces interference, and this first recess sidewall produces deformation and in conjunction with this first framework and this second framework.

This oval projection also comprises the second longitudinal end of the second side being positioned at this oval projection, is used to contact with this bottom portion of groove when this first framework is assembled in this second framework and produces interfere.

This first recess sidewall is positioned at the first side of this slot opening, when this first framework and combined and this first framework of this second framework are relative to this second frame stroke, this first recess sidewall stops this first longitudinal end of this projection and avoids this projection to depart from this groove.

When this first framework is assembled in this second framework, this second longitudinal end is introduced into this slot opening, and this first framework is made this first longitudinal end support this first recess sidewall by rotation and produces interference, this first recess sidewall is made to produce deformation and in conjunction with this first framework and this second framework.

This groove also comprises:

Second recess sidewall, is positioned at the second side of this slot opening;

The bump height that the present invention has the projection of the first framework of the press-key structure of scissor Connection Element is less than bump width, and the length of the slot opening of the groove of the second framework is greater than bump height, the length of slot opening is less than recess width, the length of slot opening is less than bump width, like this, projection can have the part of reduced size by groove perforate, and rotate the first framework and make projection support the recess sidewall of groove, and recess sidewall produces deformation and make projection enter completely in groove, with in conjunction with the first framework and the second framework.The first framework be combined with each other and the second framework are greater than the length of slot opening due to bump width, and therefore projection can not depart from groove and be separated the first framework and the second framework.Therefore the press-key structure that the present invention has a scissor Connection Element has the first framework and second framework of the easily scissor Connection Element of assembling, and the first framework and the not segregative effect of the second framework.

Accompanying drawing explanation

Fig. 1 is the surface structure schematic diagram of known key board unit.

Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the press-key structure of known key board unit.

Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the scissor Connection Element of the press-key structure of known key board unit.

Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of press-key structure in the first preferred embodiment that the present invention has scissor Connection Element.

Fig. 5,6 has the first framework and the structural representation of the second framework in the first preferred embodiment of the press-key structure of scissor Connection Element for the present invention.

Fig. 7,8,9,10,11 is incorporated into structure schematic side view in the first preferred embodiment for the present invention has the first framework of the press-key structure of scissor Connection Element and the second framework.

Figure 12 is the structural representation of scissor Connection Element in the first preferred embodiment that the present invention has the press-key structure of scissor Connection Element.

Figure 13 is the first framework and the structure schematic side view of the second framework in the second preferred embodiment that the present invention has the press-key structure of scissor Connection Element.

Figure 14 is the first framework and the structure schematic side view of the second framework in the 3rd preferred embodiment that the present invention has the press-key structure of scissor Connection Element.

Embodiment

In view of the defect of known technology, the invention provides a kind of press-key structure with scissor Connection Element.Refer to Fig. 4, its press-key structure STRUCTURE DECOMPOSITION schematic diagram in the first preferred embodiment being the present invention has scissor Connection Element.The press-key structure 4 with scissor Connection Element comprises scissor Connection Element 40, base plate 41, button cap 42, film switch circuit 43 and elastomer 44.Scissor Connection Element 40 is between button cap 42 and film switch circuit 43, and scissor Connection Element 40 comprises the first framework 401 and the second framework 402, in this preferred embodiment, the first framework 401 is inner frame, and the second framework 402 is outside framework.First framework 401 has base plate sliding axle 4011, button cap fixed axis 4012, projection 4013, auxiliary flute 4014 and centre bore 4016, and button cap fixed axis 4012 is positioned at the first end of the first framework 401, in order to be connected with button cap 42.Base plate sliding axle 4011 is positioned at the second end of the first framework 401, in order to be connected with base plate 41.Projection 4013 is positioned on the sidewall 4015 of the first framework 401, and on the sidewall 4015 that auxiliary flute 4014 is positioned at the first framework 401 and adjacent to projection 4013, and centre bore 4016 is in order to be passed by elastomer 44.Second framework 402 has base plate fixed axis 4021, button cap sliding axle 4022, groove 4023 and auxiliary lug 4024, and base plate fixed axis 4021 is positioned at the first end of the second framework 402, in order to be connected with base plate 41.And button cap sliding axle 4022 is positioned at the second end of the second framework 402, in order to be connected with button cap 42.Groove 4023 is positioned on the sidewall 4025 of the second framework 402, and auxiliary lug 4024 be positioned at the second framework 402 sidewall 4025 on and adjacent to groove 4025.

In Fig. 4, base plate 41 is positioned at the below of film switch circuit 43, and base plate 41 comprises base plate fixes snap fit 411 and base plate slide hook 412.Base plate fixes the first side that snap fit 411 is positioned at base plate 41, and in order to be connected with base plate fixed axis 4021, and base plate slide hook 412 is positioned at the second side of base plate 41, in order to be connected with base plate sliding axle 4011.Film switch circuit 43, between base plate 41 and elastomer 44, produces push button signalling in order to be triggered.Elastomer 44 is between button cap 42 and film switch circuit 43, and elastomer 44 comprises top 441 and bottom 442, when in the press-key structure 4 with scissor Connection Element during each combination of elements, its top 441 of elastomer 44 through centre bore 4016 contacts with button cap 42, and 442 to contact with film switch circuit 43 bottom it.

The detailed construction of the scissor Connection Element 40 of following explanation is the first framework and the structural representation of the second framework in the first preferred embodiment that the present invention has the press-key structure of scissor Connection Element please refer to Fig. 5 and Fig. 6, Fig. 5 and Fig. 6.In first framework 401, projection 4013 has 4013B bottom projection top 4013A, projection, the first projection kink 4013C, the first projection sidewall 4013D, the second projection sidewall 4013E, the second projection kink 4013F and the 3rd projection kink 4013G.In this preferred embodiment, the first projection kink 4013C leads fillet structure, and the second projection kink 4013F is also for leading fillet structure, and the 3rd projection kink 4013G is then a horn structure.Specifically be, lead fillet structure (that is circular arc sector) and be defined as the first projection kink 4013C and the second projection kink 4013F respectively for two in projection 4013, and the length between the first projection kink 4013C and the second projection kink 4013F is defined as bump width W1 (please refer to Fig. 7), is then defined as 4013B bottom projection as linearity region.

In Fig. 5 and Fig. 6, the first projection sidewall 4013D is between projection top 4013A and the first projection kink 4013C, and the second projection sidewall 4013E is positioned at first side of projection top 4013A.First projection kink 4013C is bottom projection between 4013B and the first projection sidewall 4013D, and the second projection kink 4013F is bottom projection between 4013B and the second projection sidewall 4013E, the 3rd projection kink 4013G is then between projection top 4013A and the second projection sidewall 4013E.In this preferred embodiment, projection top 4013A is not parallel to 4013B bottom projection, and the height bottom projection top 4013A and projection between 4013B is a bump height H (please refer to Fig. 7), and the length between the first projection kink 4013C and the second projection kink 4013F is defined as bump width W1, and bump height H is less than bump width W1 (please refer to Fig. 7).

In second framework 402, groove 4023 has slot opening 4023A, the first recess sidewall 4023B, bottom portion of groove 4023C, the second recess sidewall 4023D, the first groove kink 4023E and the second groove kink 4023F.First recess sidewall 4023B is positioned at first side of slot opening 4023A, and the second recess sidewall 4023D is then positioned at second side of slot opening 4023A.First groove kink 4023E is between the first recess sidewall 4023B and bottom portion of groove 4023C, and the second groove kink 4023F is between the second recess sidewall 4023D and bottom portion of groove 4023C.In this preferred embodiment, slot opening 4023A is not parallel to bottom portion of groove 4023C, and the length L1 of slot opening 4023A is greater than bump height H, the length L1 of slot opening 4023A is less than recess width W2, the length L1 of slot opening 4023A is less than bump width W1 (please refer to Fig. 7), and wherein recess width W2 is defined as the length between the first groove kink 4023E and the second groove kink 4023F.

The operation situation of following explanation assembling first framework 401 and the second framework 402, please sequentially consults Fig. 7,8,9,10,11 and is incorporated into structure schematic side view in the first preferred embodiment for the present invention has the first framework of the press-key structure of scissor Connection Element and the second framework.When for during in conjunction with the first framework 401 and the second framework 402, angle between the first framework 401 and the second framework 402 first must be made close to 90 degree, as shown in Figure 7.Length L1 due to slot opening 4023A is greater than projection 4013 height H, make the slot opening 4023A that the projection 4013 of the first framework 401 is able to by the second framework 402, but the first projection kink 4013C of projection 4013 is positioned at outside groove 4023, and the second projection kink 4013F of projection 4013 contacts with bottom portion of groove 4023C, as shown in Figure 8.

After projection 4013 is arranged in groove 4023, rotates the first framework 401 toward first direction C1, make the first recess sidewall 4023B be supported by the first projection kink 4013C of projection 4013 and produce interference, as shown in Figure 9.Meanwhile, the second recess sidewall 4023D of groove 4023 is supported by the 3rd projection kink 4013G of projection 4013 and produces interference, and the bottom portion of groove 4023C of groove 4023 is supported by the second projection kink 4013F of projection 4013 and produces interference.Produce deformation because the first recess sidewall 4023B is supported by the first projection kink 4013C, make the first projection kink 4013C of projection 4013 enter in groove 4023, and auxiliary lug 4024 is inserted in auxiliary flute 4014, as shown in Figure 10.After the first projection kink 4013C of projection 4013 enters in groove 4023, the first recess sidewall 4023B no longer reinstatement by supporting.Finally, first framework 401 is parallel with the second framework 402 and make scissor Connection Element 40 be in closed state, and groove 4023 accommodates projection 4013 in wherein, auxiliary flute 4014 accommodates auxiliary lug 4024 in wherein, and auxiliary lug 4024 contacts with projection 4013, first projection kink 4013C contacts with the first groove kink 4023E and the second projection kink 4013F contacts with the second groove kink 4023F, as shown in figs. 11 and 12.

As shown in Figure 10, after first projection kink 4013C of projection 4013 enters in groove 4023, due to bottom projection 4013 length be greater than the length L1 of slot opening 4023A, when first framework 401 is swung relative to the second framework 402 (that is when press-key structure 4 is touched), first projection kink 4013C of projection 4013 can be stopped by the first recess sidewall 4023B and avoid projection 4013 to depart from groove 4023, in order to avoid the first framework 401 is separated with the second framework 402.

Please again consult Fig. 4, when the button cap 42 of the press-key structure 4 with scissor Connection Element is touched, base plate fixed axis 4021 is fixed in snap fit 411 in base plate and is rotated, and the second Slideslip of base plate sliding axle 4011 past base plate 41 in base plate slide hook 412.Therefore the first framework 401 of scissor Connection Element 40 swings relative to the second framework 402, and auxiliary lug 4024 supports projection 4013 along the second projection sidewall 4013E of projection 4013, scissor Connection Element 40 is made to change to closed state by opening, and elastomer 44 is supported by button cap 42 and triggers thin film circuit switch 43, thin film circuit switch 43 is made to produce push button signalling.And when button cap 42 is no longer touched, elastomer 44 provides elastic force to give button cap 42, base plate fixed axis 4021 is fixed in snap fit 411 in base plate and is rotated, and the first Slideslip of base plate sliding axle 4011 past base plate 41 in base plate slide hook 412, make button cap 42 move to its touched front home position.The case of motion of the above-mentioned press-key structure 4 for having scissor Connection Element.

Comprehensive speech, the bump height H of the projection 4013 of the first framework 401 is less than bump width W1, and the length L1 of the slot opening 4023A of the groove 4023 of the second framework 402 is greater than bump height H, the length L1 of slot opening 4023A is less than recess width W2, and the length L1 of slot opening 4023A is less than bump width W1.The scissor Connection Element 40 above architectural feature that the present invention has the press-key structure 4 of scissor Connection Element makes the first framework 401 be carried out following action: the groove 4023 being entered the second framework 402 by the second projection sidewall 4013E of projection 4013, and rotates the first framework 401 and in conjunction with the first framework 401 and the second framework 402.Therefore the press-key structure 4 that the present invention has a scissor Connection Element has easily assembling the first framework 401 and the second framework 402, and the first framework 401 and the not segregative effect of the second framework 402.

Moreover the present invention also provides the second preferred embodiment.First, all identical with described in the first preferred embodiment in the base plate with the press-key structure of scissor Connection Element of this preferred embodiment, button cap, film switch circuit and elastomer, therefore repeat no more.The structure with the scissor Connection Element 50 of the press-key structure of scissor Connection Element of following this preferred embodiment of explanation.Refer to Figure 13, the first framework of its press-key structure being the present invention has scissor Connection Element and the structure schematic side view of the second framework in the second preferred embodiment.Scissor Connection Element 50 comprises the first framework 501 and the second framework 502.First framework 501 has base plate sliding axle 5011, button cap fixed axis 5012, projection 5013 and auxiliary flute 5014.And the second framework 502 has base plate fixed axis 5021, button cap sliding axle 5022, groove 5023 and auxiliary lug 5024.The structure of the base plate fixed axis 5021 of the base plate sliding axle 5011 of the first framework 501, button cap fixed axis 5012, auxiliary flute 5014 and the second framework 502, button cap sliding axle 5022 and auxiliary lug 5024 is all identical with the first preferred embodiment, and no longer adds explanation.The structure of projection 5013 and groove 5023 is with its difference, as described below.

In this preferred embodiment, projection 5013 has 5013B bottom projection top 5013A, projection, the first projection kink 5013C, the first projection sidewall 5013D, the second projection sidewall 5013E, the second projection kink 5013F and the 3rd projection kink 5013G, and wherein the first projection kink 5013C and the second projection kink 5013F is all horn structure.Groove 5023 has slot opening 5023A, first recess sidewall 5023B, bottom portion of groove 5023C, second recess sidewall 5023D, first groove kink 5023E and the second groove kink 5023F, wherein the first recess sidewall 5023B also comprises protuberance 5023B*, adjacent to slot opening 5023A, be used to supported by the first projection kink 5013C of projection 5013 and produce deformation when the first framework 501 is assembled in the second framework 502, make the first projection kink 5013C by protuberance 5023B* between protuberance 5023B* and bottom portion of groove 5023B, with in conjunction with the first framework 501 and the second framework 502.Moreover the first groove kink 5023E and the second groove kink 5023F is all horn structure.And slot opening 5023A, the bottom portion of groove 5023C of 5013B, the first projection sidewall 5013D bottom the projection top 5013A of the first framework 501, projection, the second projection sidewall 5013E, the 3rd projection kink 5013G and the second framework 502 and the second recess sidewall 5023D all identical with the first preferred embodiment.

According to above-mentioned known, when in the process that the first framework 501 is combined with the second framework 502, projection 5023 and protuberance 5023B* produce and interfere and make protuberance 5023B* produce deformation.Therefore, in the process of manufacture second framework 502, the thickness of protuberance 5023B* can be changed according to different demand, control protuberance 5023B* and the amount of interference between projection 5023 by this and different demands can be met.

Certainly, in this preferred embodiment, the bump height H ' of the projection 5013 of the first framework 501 is less than bump width W1 ', and the length L1 ' of the slot opening 5023A of the groove 5023 of the second framework 502 is greater than bump height H ', the length L1 ' of slot opening 5023A is less than recess width W2 ' (that is the length between the first groove kink 5023E and the second groove kink 5023F), and the length L1 ' of slot opening 5023A is less than bump width W1 '.

In addition, the present invention also provides the 3rd preferred embodiment, similarly, all identical with described in the first preferred embodiment and repeat no more in the base plate with the press-key structure of scissor Connection Element of this preferred embodiment, button cap, film switch circuit and elastomer.The structure with the scissor Connection Element 60 of the press-key structure of scissor Connection Element of following this preferred embodiment of explanation.Refer to Figure 14, the first framework of its press-key structure being the present invention has scissor Connection Element and the structure schematic side view of the second framework in the 3rd preferred embodiment.Scissor Connection Element 60 comprises the first framework 601 and the second framework 602.First framework 601 has base plate sliding axle 6011, button cap fixed axis 6012, oval projection 6013 and auxiliary flute 6014, and oval projection 6013 is positioned on the sidewall 6015 of the first framework 601.And the second framework 602 has base plate fixed axis 6021, button cap sliding axle 6022, groove 6023 and auxiliary lug 6024.Groove 6023 is positioned on the sidewall 6025 of the second framework 602, and groove 6023 has slot opening 6023A, the first recess sidewall 6023B, bottom portion of groove 6023C, the second recess sidewall 6023D, the first groove kink 6023E and the second groove kink 6023F, wherein the length L1* of slot opening 6023A is less than recess width W2*, and recess width W2* is the length between the first groove kink 6023E and the second groove kink 6023F.Base plate sliding axle 6011, the button cap fixed axis 6012 of the first framework 601, auxiliary flute 6014 is all identical with the first preferred embodiment with the structure of the second framework 602 and no longer add to illustrate, is the structure of oval projection 6013 with its difference.

In this preferred embodiment, oval projection 6013 has projection major axis 6013A, projection minor axis 6013B, the first longitudinal end 6013C and the second longitudinal end 6013D, the length of projection major axis 6013A is length L, the length of projection minor axis 6013B is then S, and the length L of projection major axis 6013A is greater than the length S of projection minor axis 6013B, the length L of projection major axis 6013A is greater than the length L1* of slot opening 6023A, and the length S of projection minor axis 6013B is less than the length L1* of slot opening 6023A.First longitudinal end 6013C is positioned at the first side of oval projection 6013, and the second longitudinal end 6013D is then positioned at the second side of oval projection 6013.

When for assembling the first framework 601 and the second framework 602, first make angle between the first framework 601 and the second framework 602 close to 90 degree, and be greater than the length S of projection minor axis 6013B due to the length L1* of slot opening 6023A, make the slot opening 6023A that the oval projection 6013 of the first framework 601 is able to by the second framework 602, but the first longitudinal end 6013C of oval projection 6013 is positioned at outside groove 6023.Next oval projection 6013 is pushed in groove 6023, the second longitudinal end 6013D of oval projection 6013 is contacted with bottom portion of groove 6023C.

After oval projection 6013 is arranged in groove 6023, the first framework 601 is rotated toward first direction C1*, the first recess sidewall 6023B is made to be supported by the first longitudinal end 6013C of oval projection 6013 and produce interference, and bottom portion of groove 6023C is supported by the second longitudinal end 6013D of oval projection 6013 and produces interference, wherein the first recess sidewall 6023B is produced deformation by supporting, first longitudinal end 6013C of oval projection 6013 is entered in groove 6023, and auxiliary lug 6024 is inserted in auxiliary flute 6014.After the first longitudinal end 6013C of oval projection 6013 enters groove 6023, the first recess sidewall 6023B no longer reinstatement by supporting.And be greater than the length L1* of slot opening 6023A due to the length L of the projection major axis 6013A of oval projection 6013, therefore oval projection 6013 cannot depart from groove 6023.When the first framework 601 and the second framework 602 is combined and the first framework 601 swings relative to the second framework 602 time, the first recess sidewall 6023B stops the first longitudinal end 6023C of oval projection 6013 and avoids oval projection 6013 to depart from groove 6023.

Specifically the first framework of above-mentioned each preferred embodiment is all inner frame, the second framework is then outside framework, this and unrestricted first framework is inner frame, the second framework is outside framework.In other preferred embodiment, the first framework also can be adopted to be outside framework, and the second framework is the structure of inner frame.

According to above-mentioned each preferred embodiment, the groove that the present invention has the second framework of the press-key structure of scissor Connection Element is the bag connected in star that slot opening is less than bottom portion of groove, and the projection of the first framework is greater than the length of its vertical direction (or close to vertical direction) in the length of horizontal direction (or close to horizontal direction), the length of its vertical direction (or close to vertical direction) is less than the length of slot opening, the part making projection can have smaller length passes through slot opening, and rotate the first framework and make projection support the recess sidewall of groove, and recess sidewall produces deformation and makes projection enter completely in groove, with in conjunction with the first framework and the second framework.The first framework be combined with each other and the second framework to be greater than the length of slot opening due to projection in the length of horizontal direction (or close to horizontal direction), therefore projection can not depart from groove and be separated the first framework and the second framework.

The foregoing is only preferred embodiment of the present invention, and be not used to limit right of the present invention, under therefore all other does not depart from disclosed spirit, the equivalence that completes changes or modifies, and all should be included within the scope of the present invention.

Claims

1. there is a press-key structure for scissor Connection Element, it is characterized in that: comprising: base plate, the button cap above this base plate and the scissor Connection Element between this base plate and this button cap; This scissor Connection Element is in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate, and this scissor Connection Element comprises:

2. there is the press-key structure of scissor Connection Element as claimed in claim 1, it is characterized in that: this projection also comprises: the first projection sidewall between this projection top and the first projection kink, at the second projection sidewall of first side at this projection top and the second projection kink bottom this projection and between this second projection sidewall, this the second projection kink is used to contact with this bottom portion of groove when this first framework is assembled in this second framework and produces interferes, and this bump width is the length between this first projection kink and this second projection kink.

3. there is the press-key structure of scissor Connection Element as claimed in claim 2, it is characterized in that: this first recess sidewall is positioned at the first side of this slot opening, when this first framework and combined and this first framework of this second framework are relative to this second frame stroke, this first recess sidewall stops this first projection sidewall of this projection and avoids this projection to depart from this groove.

4. there is the press-key structure of scissor Connection Element as claimed in claim 2, it is characterized in that: this groove also comprises:

5. there is the press-key structure of scissor Connection Element as claimed in claim 4, it is characterized in that: this first projection kink is for leading fillet structure or horn structure, and this second projection kink leads fillet structure or this horn structure for this, and this first groove kink is for leading fillet structure or horn structure, and this second groove kink leads fillet structure or this horn structure for this.

6. there is the press-key structure of scissor Connection Element as claimed in claim 2, it is characterized in that: when this first framework is assembled in this second framework, this the second projection kink is introduced into this slot opening, and this first framework is made this first projection kink support this first recess sidewall by rotation and produces interference, this first recess sidewall is made to produce deformation and in conjunction with this first framework and this second framework.

7. there is the press-key structure of scissor Connection Element as claimed in claim 1, it is characterized in that: this first recess sidewall also comprises the protuberance adjacent to this slot opening, this protuberance is used to supported by this first projection kink of this projection and produce deformation when this first framework is assembled in this second framework, make this first projection kink by this protuberance between this protuberance and this bottom portion of groove, with in conjunction with this first framework and this second framework.

8. there is the press-key structure of scissor Connection Element as claimed in claim 1, it is characterized in that: this second framework also comprises this sidewall of being positioned at this second framework and adjacent to the auxiliary lug of this groove, this auxiliary lug is used to this first framework relative to during this second frame stroke and this bump contact.

9. there is the press-key structure of scissor Connection Element as claimed in claim 8, it is characterized in that: this first framework also comprises this sidewall of being positioned at this first framework and adjacent to the auxiliary flute of this projection, this auxiliary flute is used to this first framework relative to holding this auxiliary lug during this second frame stroke in wherein.

10. there is the press-key structure of scissor Connection Element as claimed in claim 1, it is characterized in that: this first framework is inner frame, and this second framework is outside framework, this first framework is set up in the inner side of this second framework, and this first framework has centre bore.

11. press-key structures as claimed in claim 1 with scissor Connection Element, it is characterized in that: this first framework is outside framework, and this second framework is inner frame, this second framework is set up in the inner side of this first framework, and this second framework has centre bore.

12. press-key structures as claimed in claim 1 with scissor Connection Element, is characterized in that: also comprise:

13. press-key structures as claimed in claim 12 with scissor Connection Element, it is characterized in that: when this button cap is touched, this first framework is relative to this second frame stroke, this scissor Connection Element is made to change to closed state by opening, and this elastomer is supported by this button cap and triggers this thin film circuit switch, this thin film circuit switch is made to produce this push button signalling; When this button cap is no longer touched, this elastomer provides this elastic force to give this button cap, and this first framework is relative to this second frame stroke, this scissor Connection Element is made to change to this opening by this closed state and make this button cap move to home position.

14. 1 kinds of press-key structures with scissor Connection Element, is characterized in that: comprise base plate, the button cap above this base plate and the scissor Connection Element between this base plate and this button cap; This scissor Connection Element is in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate, and this scissor Connection Element comprises:

15. press-key structures as claimed in claim 14 with scissor Connection Element, it is characterized in that: this oval projection also comprises the second longitudinal end of the second side being positioned at this oval projection, be used to contact with this bottom portion of groove when this first framework is assembled in this second framework and produce and interfere.

16. press-key structures as claimed in claim 15 with scissor Connection Element, it is characterized in that: this first recess sidewall is positioned at the first side of this slot opening, when this first framework and combined and this first framework of this second framework are relative to this second frame stroke, this first recess sidewall stops this first longitudinal end of this projection and avoids this projection to depart from this groove.

17. press-key structures as claimed in claim 15 with scissor Connection Element, it is characterized in that: when this first framework is assembled in this second framework, this second longitudinal end is introduced into this slot opening, and this first framework is made this first longitudinal end support this first recess sidewall by rotation and produces interference, this first recess sidewall is made to produce deformation and in conjunction with this first framework and this second framework.

18. press-key structures as claimed in claim 14 with scissor Connection Element, is characterized in that: this groove also comprises:

Second recess sidewall, is positioned at the second side of this slot opening;