CN2452118Y - Key with improved structure - Google Patents

Abstract

The utility model relates to a key with an improved structure, which is used for simulating a press type key. The utility model comprises a key body, wherein the bottom of the key body which is fixedly connected with a circuit base board is combined with an elastic seat; the bottom of the elastic seat is provided with a glue guiding block of which the cross section forms a rectangular shape, and an arc-shaped contact surface is formed on the bottom end of the glue guiding block. A carbon film resistance block with a rectangular surface is combined with the circuit base board in a printing mode. When the key body is pressed downwards, the contact corresponding to the size of the applied force is formed between the arc-shaped contact surface of the bottom end of the glue guiding block and the carbon film resistance block. Therefore, the linear change resistance value which is directly proportional to the pressing applied force is generated and the circuit base board generates a linear electric operating signal or a linear electric control signal which has high precision and high sensitivity.

Description

Improve the button of structure

The utility model relates to a kind of button that improves structure, relates in particular to a kind of simulation push type press-key structure that is used for electronic game station or industrial control equipment.

Simulation push type button is widely used in various electronic game machines or the Industrial Control Computer, major control instruction input element as game machine operation control or the control of automatic industrial facility operations, as in electronic game machine, can provide shooting by this simulation push type button, rich hit, knock at the door, the 3rd (Z axle) simulation control of operational motions such as jump, racing car throttle, brake, just by the size of pushing strength, produce the action aim parameter of relative size, such as speed speed, the strength of knocking at the door size or the throttle of shooting, the simulation control of brake weight; And for example in the Industrial Control Computer, the control of relevant mechanical arm clamps strength or knock the control of strength all can obtain control by the operation of this simulation push type button.

Various known simulation push type press-key structures, as Figure 24～shown in Figure 30, the set conductive seat B in button A below wherein, the conducting block B1 that its bottom links, be shaped as the semicircle sphere shown in Figure 24 to 27, so when pressing keys A not, the resistance value of rectangle carbon film plate C1 is its original value on the PC plate C surface, therefore can be set to the initial point that makes zero at the lip-deep relative signal of telecommunication of PC plate C, promptly be to be failure to actuate or application of force strength is zero signal of telecommunication operate condition.

Work as pressing keys, the moment that conducting block B1 and carbon film plate on the button are initially contacted, it is a point of contact C2 (shown in Figure 28,29) that conducting block B1 contacts with the surface of PC plate C surface rectangle carbon film plate C1, parallel resistance value between the rectangle carbon film plate C1 on the conductive seat B of this button A, conducting block B1 and the PC plate C1 is maximum, be about approximate its original resistance value, at this moment the relative signal of telecommunication that whole rectangle carbon film plate C1 can produce on PC plate C surface can be set to the initial point that makes zero, and promptly is to be failure to actuate or application of force strength is zero signal of telecommunication operate condition.

And when stressed again the pressing down of above-mentioned known button A, then as Figure 30～shown in Figure 34, wherein Figure 30 is a contact condition of pushing bigger conducting block B1 of strength and PC plate C surface; Figure 31 and Figure 32 have then shown the medium state of strength of pushing, Figure 33 and Figure 34 show the state of strength maximum of pushing, from the comparison of each figure, can obviously find out the area that contacts block D1 between conducting block B1 and the rectangle diaphragm C1 among Figure 30, area less than Figure 31 and contact block D2 shown in Figure 32, equally, the area of Figure 31 and contact block D2 shown in Figure 32, area less than the contact block D3 that Figure 33 and Figure 34 produced, in other words, the less mode of operation of pushing strength shown in Figure 30, the resistance value that rectangle carbon film plate C1 is produced on PC plate C surface, push the resistance value that the strength state is produced greater than Figure 31 and moderate shown in Figure 32, and Figure 33 and maximum shown in Figure 34 are pushed the resistance value that strength produces, then push the resistance value that the strength state is produced less than above-mentioned Figure 31 and moderate shown in Figure 32, because the variation of this different resistance value, can make that button A's push the strength size, relative response on the electric signal on PC plate C surface, during for game operation or Industry Control as the reference frame of control action.

In addition, in the button pressing operation state of above-mentioned Figure 30～Figure 34, the conducting block of this button A bottom in fact with the size that contacts block D1, D2 and D3 contact area of the rectangle carbon film plate C1 on PC plate C surface owing to cause with the contact area size of conducting block B1 bottom surface circular face.

Yet, for rectangle carbon film plate C1, desirable linear scale partitioning scheme is the rectangular shape according to rectangle carbon film plate C1, C1 makes cutting apart of equal proportion rectangle block to this rectangle carbon film plate, as at cut-off rule E shown in Figure 30, cut-off rule F shown in Figure 32 and cut-off rule G shown in Figure 34, but because this contact block D1, the shape of D2 and D3 is not to be as above-mentioned desirable rectangular shape, so at cut-off rule E, produce one or more non-rectangles and erose residual block D4 between F and G respectively, D5 and D6, residual block D4, the size variation of D5 and D6 is not linear form, thereby cause contacting block D1, the variation of the formed relative resistance value of D2 and D3 neither linear kenel, even also be like this at Figure 28 and initial condition shown in Figure 29, for follow-up PC plate C surface when handling and producing the relative signal of telecommunication, can't reach favorable linearity changes, the control requirement, cause the performance and the sensitivity of its operation control bad, end reaction is bad in the result of use of game machine or Industrial Control Computer, has a strong impact on it in game machine or the operational application of Industry Control.

Have again, as consider the operation that above-mentioned residual block D4, D5 and D6 are caused or the error component of control, then must on PC plate C surface, add accurate compensating circuit or change-over circuit, even in the control program and interface program of game machine or Industry Control, also must rewrite or increase revision program, calculation procedure, so again, make the line construction of game machine or Industrial Control Computer become more loaded down with trivial details, be unfavorable for producing and its product cost being increased; In addition, as considering again rectangle carbon plate C1 is changed circular shape, then must on PC plate C surface, accurately present resistance value, and its resistance value is relevant with radius and area, its size is difficult for accurately determining on PC plate C surface, as in the layout or the printing course of processing, error being arranged slightly, PC plate C surface is scrapped maybe will carry out the more loaded down with trivial details repairing course of processing, so increase the layout on PC plate C surface and the difficulty that printing is made more.

Main purpose of the present utility model is to provide a kind of structure improved button, wherein this button below is provided with the blob of viscose of leading of a lower arcuate surface, keep contacting of rectangular area and size variation with the rectangle fixed carbon resister piece on the circuit substrate always, can produce linear relative resistance value changes, make circuit substrate directly produce the accurate relatively linear signal of telecommunication, help circuit substrate and carry out accurate linear operation and control action.

Second purpose of the present utility model is to provide a kind of structure improved button, this button lead contacting of blob of viscose and fixed carbon resister interblock, the desirable linear partition shape that meets the fixed carbon resister piece fully, can not produce any nonlinear residual resistance value or linearity error factor, help the simplification of circuit substrate circuit and reduce production costs.

For achieving the above object, structure improved button of the present utility model, on the spring support below the keying body, be provided with one and lead blob of viscose, its bottom is provided with an arc contact surface, when button is pushed downwards, this leads the arc contact surface of blob of viscose, the equal proportion linear change that can keep rectangular area and size with the rectangle fixed carbon resister piece on the circuit substrate, make and lead blob of viscose and rectangle fixed carbon resister interblock does not produce nonlinear residual resistance value or error component, and then circuit substrate is changed according to this accurate linear resistance, produce accurate relatively electric operation or control signal.

A kind of button that improves structure, button comprises a keying body, and its bottom is combined with a spring support at least, and keying body is fixedly connected on a circuit substrate, the elastic recovery when spring support presses down as keying body; The bottom of spring support is provided with one at least and leads blob of viscose, and its section configuration is a rectangle, and is formed with an arc contact surface at least in the bottom; And at least one fixed carbon resister piece, it is rectangular, and be combined in the circuit substrate with respect to the position printing that blob of viscose is led in keying body below, when keying body is stressed when pushing downwards, spring support produces distortion and presses down, force the arc contact surface and the fixed carbon resister interblock of leading the blob of viscose bottom to form a contact area corresponding to application of force size and rectangular area, the variation of contact area area produces the linearity change resistance value corresponding to the pressing force size, produces the corresponding linear electrical control signal according to change resistance value circuit substrate.

For detailed construction of the present utility model and application are had further understanding, below enumerate embodiment also in conjunction with the accompanying drawings, wherein:

Fig. 1 is the cutaway view of the utility model button, and display button is installed in the structure on the circuit substrate;

Fig. 2 is that enlarged drawing is overlooked in the part of T part among Fig. 1, shows the first beginning and end contact condition of leading fixed carbon resister piece on blob of viscose and the circuit substrate;

Fig. 3 is the spring support appearance assumption diagram in the utility model button;

Fig. 4 is along the cutaway view of A '-A ' among Fig. 3;

Fig. 5 is the cutaway view similar to Fig. 4, shows to lead the structure of blob of viscose and spring support;

Fig. 6 is the upward view of this novel button spring support, shows to lead the arc contact surface structure of blob of viscose;

Fig. 7 is a cutaway view, and initial stressed the pressing down of display button body makes spring support distortion and lead the operational instances that the blob of viscose bottom contacted with fixed carbon resister piece surperficial moment;

Fig. 8 is that enlarged drawing is overlooked in the part of H part among Fig. 7, shows to lead the initial state of contact of blob of viscose bottom arc contact surface and fixed carbon resister piece surface;

Fig. 9 is a cutaway view, and stressed slightly the pressing down of display button body makes the spring support distortion and lead first operational instances that the blob of viscose bottom contacts with fixed carbon resister piece surface;

Figure 10 is that enlarged drawing is overlooked in the part of I part among Fig. 9, shows to lead blob of viscose bottom arc contact surface and fixed carbon resister piece surface state of contact;

Figure 11 is a cutaway view, and the display button body bears maximum, force and presses down and make spring support distortion and lead blob of viscose bottom and surperficial second operational instances that contacts of fixed carbon resister piece;

Figure 12 is that enlarged drawing is overlooked in the part of J part among Figure 11, shows to lead blob of viscose bottom arc contact surface and fixed carbon resister piece surface state of contact;

Figure 13 is another preferred embodiment figure of the present utility model;

Figure 14 is that enlarged drawing is overlooked in the part of U part among Figure 13, the state of blob of viscose when not contacting of leading on the fixed carbon resister piece of display button and the circuit substrate;

Figure 15 is a cutaway view, the spring support among demonstration Figure 13 embodiment and the surface structure of fixed carbon resister piece;

Figure 16 is and Figure 15 cutaway view roughly the same to show the structure between fixed carbon resister piece and spring support;

Figure 17 is the spring support upward view among Figure 13 embodiment, shows the spherical concave structure of fixed carbon resister piece;

Figure 18 is a cutaway view, and display button body initial stressed presses down and makes spring support distortion and fixed carbon resister piece and PC plate surface lead the operational instances that blob of viscose moment contacts;

Figure 19 is that enlarged drawing is overlooked in the part of K part among Figure 18, leads the initial contact condition of blob of viscose on the display button on fixed carbon resister piece and the circuit substrate;

Figure 20 is a cutaway view, shows stressed the pressing down of keying body of Figure 13 embodiment, makes spring support distortion and the spherical concave surface bottom the fixed carbon resister piece and leads first embodiment that the blob of viscose surface contacts;

Figure 21 is that enlarged drawing is overlooked in the part of L part among Figure 20, shows the spherical concave surface in fixed carbon resister piece bottom and leads blob of viscose surface state of contact;

Figure 22 is a cutaway view, the keying body that shows Figure 13 embodiment pressed down by maximum, force to make the spring support distortion and with the spherical concave surface of fixed carbon resister piece bottom with lead surperficial second operational instances that contacts of blob of viscose;

Figure 23 is that enlarged drawing is overlooked in the part of M part among Figure 22, shows the spherical concave surface in fixed carbon resister piece bottom and leads blob of viscose surface state of contact;

Figure 24 is the structural representation of known simulation push type button;

Figure 25 is that enlarged drawing is overlooked in the part of S part among Figure 23, show this conducting block bottom not with rectangle carbon film plate surface state of contact;

Figure 26 is the conductive seat of known simulation push type button and the sectional structure chart of conducting block;

Figure 27 is the cutaway view identical with Figure 26, shows the conducting block face shaping of known simulation push type button;

Figure 28 is the structural representation that known simulation push type button initially contacts moment;

Figure 29 is that enlarged drawing is overlooked in the part of N part among Figure 28, shows this conducting block bottom and rectangle carbon film plate surface initial contact point state;

Figure 30 is that enlarged drawing is overlooked in a part, shows that the conducting block of known simulation push type button and rectangle carbon film plate are at bigger contact condition when pushing the application of force;

Figure 31 is the operation chart of known simulation push type button when moderate application of force pressing force;

Figure 32 is that enlarged drawing is overlooked in the part of 0 part among Figure 31, shows this conducting block bottom and rectangle carbon film plate surface state of contact;

Figure 33 is the operation chart of known simulation push type button when imposing maximum pressing force;

Figure 34 is that enlarged drawing is overlooked in the part of P part among Figure 33, shows this conducting block bottom and rectangle carbon film plate surface state of contact.

At first consult Fig. 1, Fig. 2, the structure improved button of the utility model is below among each figure, all indicate this button with 100, wherein button 100 comprises a keying body 10, and its shape is an example with the large-scale button kenel in the game machine in the utility model, and keying body 10 belows are combined with a spring support 20, its material can be conductor or insulator, elasticity with deformation-recovery, as being made of conductive rubber or electro-insulating rubber, this keying body 10 has the function of the elastic recovery of pressing down.

In conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6, above-mentioned spring support 20 is provided with a linking part 21 at the top, link with keying body 10, and below be provided with a deformability pleat portion 22, these distortion pleat portion 22 belows hollow out and have formed chamber 23, the apical margin of empty chamber 23 links at least leads blob of viscose 24, leading blob of viscose 24 is to be made of elastic conductor, conductive rubber for example, its section configuration is a rectangle, the top is provided with a rectangular surfaces 241, combine with the apical margin wall of empty chamber 23, be provided with an arc contact surface 242 in the bottom surface (as Fig. 4, Fig. 5 and shown in Figure 6), the side of arc contact surface 242 (as Fig. 5 and shown in Figure 6) is evagination circular arc degree shape, it is looked up structure (as shown in Figure 6) and is a rectangular planar shape, the center of its center and empty chamber 23 coincides, and is coated by whole distortion pleat portion 22, and is provided with a pair of fixed leg 25 at least at the periphery of elasticity pleat portion 22, spring support 20 is pegged graft be fixed on the circuit substrate 30 (as shown in Figure 1), thereby make it on circuit substrate, can not produce displacement.

One circuit substrate 30, be the electric wiring of conversion keys 100 by piezoelectric signal, this circuit is a known technology, so will not describe in detail, fixed leg 25 grafting are spring support 20 fixedly, fixed form can be modes such as bonding or sealing, at relative keying body 10 lower positions, promptly by in the scope of the distortion pleat portion 22 of spring support 20 and 23 coverings of empty chamber, at least be provided with a fixed carbon resister piece 31, its shape is a rectangle in first embodiment of the present utility model, and fixed carbon resister piece 31 has certain resistance value, and blob of viscose 24 is led corresponding to spring support 20 in its top, do not produce at spring support 20 under the initial condition of distortion, the arc contact surface 242 of leading blob of viscose 24 bottoms is not contact condition with the surface of fixed carbon resister 31, so its resistance value (as shown in Figure 2) can regard the rectangular block face that whole oblique line indicates as, is original resistance value.

In case pressing keys 10 also contacts with circuit substrate 30, the arc contact surface 242 of leading blob of viscose 24 bottoms is linear a contact (shown in Fig. 7,8) with the surface of fixed carbon resister 31, it can be regarded as little rectangle block face, for ease of explanation, this contact area among Fig. 8 can be represented with X0, and two resistance regions that are separated are represented with Y1 and Y2 respectively.

The initial contact condition of 31 of expression arc contact surface 242 of leading blob of viscose 24 bottoms of spring support 20 and fixed carbon resister pieces among above-mentioned Fig. 8, the area minimum of this contact area X0, and the area maximum of two resistance region Y1 and Y2, at this moment, fixed carbon resister piece 31 and the resistance value sum total of leading 24 of blob of viscoses are for maximum, quite near or equal the original resistance value of fixed carbon resister piece 31, because of contact area X0 can be considered fixed carbon resister piece 31 local electrical resistance values, with the parallel-connection structure of leading blob of viscose 24 local electrical resistance values, because contact area X0 area is quite little, according to resistance value and the long-pending relation that is inverse ratio of cross-sectional area of conductor, as resistance calculations formula R (resistance value)=ρ (resistance coefficient) * L (length)/S (area), can derive the parallel resistance value resistance value on the fixed carbon resister piece 31 no better than, thus this moment resistance value summation approach original resistance value for maximum.

Again in conjunction with Fig. 9, shown in Figure 10, displayed map 1 is to first operational instances of the utility model button 100 shown in Figure 8 at application of force pressing operation, wherein Fig. 8 and shown in Figure 9 be that keying body 10 is imposed bigger downforce, at this moment the distortion pleat portion 22 of spring support 20 produces significantly deflection, the arc contact surface 242 of leading blob of viscose 24 bottoms also produces local compression and flattens, and produce contacting of local area with fixed carbon resister piece 31, contact area X1 area is much larger than above-mentioned initial contact area X0 shown in Figure 8, contact area X1 has less parallel resistance value, its reason is that the area of contact area X1 becomes big, belong to conductor and lead blob of viscose 24, its resistance value or resistance coefficient (ρ) are much smaller than fixed carbon resister piece 31, so the parallel resistance value of contact area X1 diminishes, equally, the resistance value of resistance region Y1 and Y2 also reduces and reduces along with area, make whole relative the reducing of total resistance value of leading blob of viscose 24 and 31 of fixed carbon resister pieces, can make the circuit of circuit substrate 30 produce the relative control signal of telecommunication according to the change of this resistance value.

Be worth proposing, the variation of above-mentioned contact area X1 area shown in Figure 10 is with respect to the area of initial contact area X0 shown in Figure 8 and the variation of resistance value, and the variation of two area between resistance region Y1 and Y2 and resistance value sizes, all be the linear change of foundation as the equal proportion area of fixed carbon resister piece 31 rectangular shapes, the variable quantity that makes circuit substrate 30 directly obtain linear resistance produces relative and accurate linear electrical control signal, and can not have the error component of any nonlinear residual resistance value.

Refer again to Figure 11 and Figure 12, its displayed map 1 is to the utility model button 100 shown in Figure 8 second operation embodiment at application of force pressing operation, wherein Figure 11 and shown in Figure 12 be the state that keying body 10 is imposed maximum downforce, this moment, the distortion pleat portion 22 of spring support 20 produced maximum deflection, make the arc contact surface 242 of leading blob of viscose 24 bottoms relative with the contact area of fixed carbon resister piece 31 maximum, the area of contact area X2 is much larger than above-mentioned Fig. 8 and initial contact area X0 and contact area X1 shown in Figure 10, make contact area X2 have littler parallel resistance value, equally, it is minimum that the area of the resistance value of resistance region Y1 and Y2 becomes, make the whole blob of viscose 24 of leading reach relative minimum with the total resistance value of 31 of fixed carbon resister pieces, make the circuit of circuit substrate 30 produce the relative control signal of telecommunication according to diminishing of this resistance value, two pressing operation examples of button 100 of the present utility model among certain above-mentioned Fig. 9 to Figure 12, only be two moderate and maximum comparison patterns of this novel button application of force for convenience of explanation, be not all modes of operation of representing all application of forces, and no matter be under the situation of which kind of application of force, the variation of resistance value size is still according to the rule as fixed carbon resister piece 31 equal proportion rectangular area linear change, thereby no matter can reach under the operation of the pressing force of any size, all can make the right linear electrical control signal of circuit substrate 30 accurate error-free real estate looks.

Extremely shown in Figure 17 in conjunction with Figure 13, it represents the embodiment of another preferred construction of this novel button, in the relevant drawings in Figure 13 to Figure 21, with this button of 100 ' sign, the keying body 10 among button 100 ＇ wherein, the keying body 10 of the structure of spring support 20 and the button 100 shown in above-mentioned Fig. 1 to Figure 12 and the structure of spring support 20 are consistent, and difference just comprises at least one fixed carbon resister piece 24 ' (as Figure 14, Figure 15 and shown in Figure 16), it has the elasticity of deformation-recovery, the top be a disk 241 ', be combined on the empty chamber 23 top walls in the spring support 20, be provided with spherical concave surface 242 ' (as shown in figure 17) in the bottom surface, it is the structure that sets to the concave, at circuit substrate 30 with respect to the position below the empty chamber 23, at least be combined with one lead blob of viscose 31 ', its shape and spherical concave surface 242 ' cooperate, be a circle or Any shape, but its region area need greater than spherical concave surface 242 ' area, and constitute by material as conductive rubber and so on, it can be by bonding or be combined on the line related of circuit substrate 30 simply, make keying body 10 downwards under the initial condition of not pushing, spherical concave surface 242 ' the edge with circular lead blob of viscose 31 ' the edge be in not state of contact (as Figure 13 and shown in Figure 14), therefore resistance value (as shown in figure 14) can regard as whole spherical concave surface 242 ' area, be fixed carbon resister piece 24 ' original resistance value.

In case pressing keys 10, and when it is contacted with circuit substrate 30, the spherical concave surface 242 of fixed carbon resister piece 24 ' bottom ' and lead blob of viscose 31 ' between, the contact shape that is a ring is (with reference to Figure 18, shown in 19), this contact area is with X0 ' sign, fixed carbon resister piece 24 ' spherical concave surface 242 ' not with lead the resistance region that blob of viscose 31 contacts, then with Y0 ' sign, at this moment the area of this contact area X0 ' is minimum, the not contact area maximum of resistance region Y0 ', therefore the value of experiencing with respect to the detection circuit on the circuit substrate 30 of parallel resistance between the two (being total resistance value) is for maximum, near fixed carbon resister piece 24 ' original resistance value.

As Figure 20 and shown in Figure 21, its be presented at above-mentioned Figure 13 to shown in Figure 19 novel button 100 ' example structure in, this keying body 10 imposes first operational instances of big slightly pressing force, by keying body 10 exert pressure downwards make spring support 20 produce obviously distortion after, spring support 20 also force the fixed carbon resister piece 24 that is arranged in sky chamber 23 ', generation flattens distortion (as shown in figure 21) by the part in the export-oriented circumference of circumference, make fixed carbon resister piece 24 ' spherical concave surface 242 ' periphery area and circuit substrate 30 in circular lead blob of viscose 31 ' periphery part area contact, the area of the initial contact area X0 ' that the area of contact area X1 ' is more original increases many (as shown in figure 19), relatively, make the area of the also more original initial resistance zone Y0 ' of the area of resistance region Y1 ' reduce many, in like manner, the area of contact area X1 ' increases, make fixed carbon resister piece 24 ' and the parallel resistance value of leading between blob of viscose 31 ＇ reduce, and the variation of the area of contact area X1 ' or resistance value, be still according to circle lead blob of viscose 31 ' radius of circle or the diameter linear change of making equal proportion, so can make the variation of circuit substrate 30, and produce relative linear electrical control signal according to the resistance value of such linear scale.

As Figure 22 and shown in Figure 23, its represent above-mentioned Figure 20 and button 100 shown in Figure 21 ' second operational instances, be that keying body 10 is when being pushed by maximum strength, fixed carbon resister piece 24 ' produce fully and be out of shape, make the spherical concave surface 242 ' whole pressing of its bottom, smooth contact lead blob of viscose 31 ' on, it is maximum to be that its contact area Y2 ' area between the two becomes, relatively make the area of resistance region Y0 ' and Y1 ' be reduced to zero, the parallel resistance value of the contact area X2 ' of this moment is minimum, but be not zero, and then can be expressed as between the two total resistance value minimum, resistance value is kept to minimum thus, can obtain reference resistance value with respect to maximum pressing force, same, the variation of contact area X2 ' area and resistance value, also be according to circle lead blob of viscose 31 ' radius or the linear scale done of diameter change, make the also linear change of resistance value and produce relative linear electrical control signal according to this of this circuit substrate 30.

Above-mentioned Figure 13 to Figure 23 represent the utility model button 100 ' example structure, fixed carbon resister piece 24 ' and the circular blob of viscose 31 ' be can be by the parts of being verified in advance and calibrating of leading, and when assembling, can be installed in respectively on spring support 20 and the circuit substrate 30 on simple and convenient ground, particularly leading blob of viscose 31 ' need not be assembled on the circuit substrate 30 with the printing processing mode, in the time of can saving worker thus, reduce cost and reduce the probability that error produces, and further improve the quality bills of materials and the efficient of product, have practical effect and industrial utilization.

Design of the present utility model is with the most simple and convenient press-key structure, in game machine or Industrial Control Computer, the application of force is carried out by pressure-controlled and operational motion in proportion, can reach linear and highly sensitive control operation effect and purpose, and then improve control operation quality and the effect that makes game machine or Industrial Control Computer.

Above-mentioned Fig. 1 is to the structure-improved of the utility model button shown in Figure 23, and wherein explanation that is disclosed and accompanying drawing are for the ease of illustrating this a novel technology contents and technological means, and the preferred embodiment that is disclosed not is to be confined in its category.And every modification, change of doing at this novel structural detail, or the equivalent substitution of element, displacement do not break away from this a novel spirit and category, and its scope will be defined by following claims.

Claims (22)

1. a button that improves structure is characterized in that button comprises a keying body, and its bottom is combined with a spring support at least, and keying body is fixedly connected on a circuit substrate, the elastic recovery when spring support presses down as keying body; The bottom of spring support is provided with one at least and leads blob of viscose, and its section configuration is a rectangle, and is formed with an arc contact surface at least in the bottom; And at least one fixed carbon resister piece, it is rectangular, and be combined in the circuit substrate with respect to the position printing that blob of viscose is led in keying body below, when keying body is stressed when pushing downwards, spring support produces distortion and presses down, force the arc contact surface and the fixed carbon resister interblock of leading the blob of viscose bottom to form a contact area corresponding to application of force size and rectangular area, the variation of contact area area produces the linearity change resistance value corresponding to the pressing force size, produces the corresponding linear electrical control signal according to change resistance value circuit substrate.

2. button as claimed in claim 1 is characterized in that the end face of spring support is provided with a linking part, links with the keying body lower end.

3. button as claimed in claim 1 is characterized in that the lower end of spring support is provided with a distortion pleat portion, to produce the elasticity that compressive deformation is replied.

4. button as claimed in claim 3 is characterized in that being provided with the chamber in the distortion pleat portion of spring support, and its top wall links leads blob of viscose.

5. button as claimed in claim 3 is characterized in that the periphery that is out of shape pleat portion is provided with a pair of fixed leg at least, pegs graft to be fixed on the circuit substrate.

6. button as claimed in claim 1 or 2 is characterized in that spring support is made of conductive rubber.

7. button as claimed in claim 1 or 2 is characterized in that spring support is made of electro-insulating rubber.

8. button as claimed in claim 1 is characterized in that leading the blob of viscose end face and is provided with a rectangular surfaces, is connected with spring support.

9. button as claimed in claim 1, the side that it is characterized in that leading the arc contact surface of blob of viscose is the curve shape with radian.

10. button as claimed in claim 1 is characterized in that the looking up of arc contact surface of leading blob of viscose is shaped as rectangle.

11., it is characterized in that leading blob of viscose and constitute by conductive rubber as claim 1 or 9 described buttons.

12. button as claimed in claim 1, the arc contact surface that it is characterized in that leading the blob of viscose bottom contacts formed contact area with the fixed carbon resister piece of circuit substrate be a resistance in parallel.

13. button as claimed in claim 1, the fixed carbon resister piece that it is characterized in that leading the arc contact surface of blob of viscose bottom and circuit substrate not contact portion forms several resistance regions.

14. button as claimed in claim 13 is characterized in that resistance region is rectangular.

15. a button that improves structure is characterized in that button comprises a keying body, its bottom is combined with a spring support at least, and keying body is fixedly connected on a circuit substrate, the elastic recovery when spring support presses down as keying body; The bottom of spring support is provided with a fixed carbon resister piece at least, and the bottom of described fixed carbon resister piece is provided with a spherical concave surface; And at least one blob of viscose of leading, its rounded shape, and be combined in the circuit substrate with respect to the position of keying body below fixed carbon resister piece, when keying body is stressed when pushing downwards, spring support produces distortion and presses down, force the spherical concave surface of fixed carbon resister piece bottom to produce strain, and lead and form a contact area corresponding to application of force size and rounded area between blob of viscose, the variation of described contact area area, generation produces the corresponding linear electrical control signal corresponding to the linearity change resistance value of pushing application of force size according to change resistance value circuit substrate.

16. button as claimed in claim 15 is characterized in that the top of spring support is provided with a linking part, links with the keying body lower end.

17. button as claimed in claim 15 is characterized in that the lower end of described spring support is provided with a distortion pleat portion, to produce the elasticity that compressive deformation is replied.

18. button as claimed in claim 17 is characterized in that being provided with the chamber in the distortion pleat portion of spring support, its top wall links fixed carbon resister piece.

19. button as claimed in claim 17 is characterized in that the periphery that is out of shape pleat portion is provided with a pair of fixed leg at least, pegs graft to be fixed on the circuit substrate.

20., it is characterized in that spring support is made of conductive rubber as claim 15 or 16 described buttons.

21. button as claimed in claim 15 is characterized in that the fixed carbon resister piece is provided with a disk at the top, be connected with spring support.

22. button as claimed in claim 15 is characterized in that leading blob of viscose and is made of conductive rubber.

Images