CN209691655U - A keyboard input device - Google Patents

Abstract

The utility model discloses a keyboard input device, which comprises a plastic surface cover, wherein a plurality of mounting hole sites are arranged on the plastic surface cover, a key cap shaft is embedded in each mounting hole site and is connected with the plastic surface cover in a buckling way, and a matched key cap is arranged at the upper end of the key cap shaft in a buckling way; the plastic bottom cover is connected with the plastic surface cover in a buckling mode, a plurality of supporting columns are further arranged on the plastic bottom cover, and the supporting columns are in one-to-one correspondence with key cap shafts arranged on the plastic surface cover; a golden finger PCB is arranged on the support columns, and a golden finger conductive part is arranged on the position, matched with each support column, of the golden finger PCB; when the plastic surface cover is connected with the plastic bottom cover in a buckling mode, the upper end of each golden finger conductive part is provided with a key cap shaft in a matching mode, the matched key caps are pressed downwards, the conductive graphite carbon column shaft cores of the key cap shafts can be electrically connected with the matched golden finger conductive parts, and the matched keys work. This neotype keyboard device equipment is convenient, machining efficiency is high, low in production cost, excellent in use effect.

Description

A keyboard input device

technical field

The utility model relates to the technical field of electronic products, in particular to a keyboard input device.

Background technique

With the continuous improvement of people's lives, the use of computers has become more and more popular in society, and has become an indispensable item in people's lives. As an indispensable input device for computers, the keyboard has more and more functions and types. The keyboard is a frequently used computer peripheral device, and its operating performance has been gradually improved with the continuous innovation of technology. From mechanical to Optoelectronics, from optoelectronics to optics, from wired to wireless, the reliability and functionality of keyboards are getting better and better.

In the prior art, the mechanical keyboard has the following disadvantages:

One is that most of the keyboard covers in the prior art are made of metal materials, which are more expensive and have poor light guiding properties. At the same time, metal keyboard covers are used, and the forming structure on the keyboard cover is inconvenient and the cost is relatively high. high;

The second is that the existing metal cover is used. When installing the balance dry assembly, the entire assembly must be installed to fix it. With this method, many parts are required to install the balance bar, and the cost is high;

The 3rd, the compression contact post of the key cap shaft of existing keyboard is all common plastic material, and the typing sensitivity of key cap shaft is relatively poor, affects the use effect of keyboard.

Therefore, the market needs a keyboard input device that solves the related problems in the prior art.

Utility model content

The technical problem to be solved by the utility model is to provide a keyboard input device for the above-mentioned defects in the prior art. The keyboard device is easy to assemble, has high processing efficiency, low production cost and good use effect.

According to the first aspect of the utility model, a technical solution adopted by the utility model is as follows: a keyboard input device, comprising a plastic cover, the plastic cover is formed with a number of mounting holes, each mounting hole A keycap shaft is inlaid and connected to the plastic surface cover by buckling, and the upper end of the keycap shaft is buckled to be mounted with a matching keycap; it also includes a plastic bottom cover, and the plastic bottom cover is buckled to the plastic surface cover. , the plastic bottom cover is also provided with a number of support pillars, and the positions of the several support pillars are also in one-to-one correspondence with the keycap shafts installed on the plastic cover; the conductive layer is placed on the several support pillars , the conductive layer is provided with a PCB board, and a via hole is formed on the PCB board at a position matching each support column, and when the plastic surface cover is buckled and connected with the plastic bottom cover, each The upper end of the through hole is matched with a keycap shaft, and the matched keycap is pressed downward, so that the conductive graphite carbon column shaft core of the keycap shaft can pass through the through hole and electrically contact the conductive layer, Match keys work.

As a further elaboration to the above-mentioned technical scheme:

In the above technical solution, hooks are fixedly installed on both sides of the keycap, and when the keycap buckle is installed on the keycap shaft, the two hooks snap in from top to bottom and penetrate through the keycap shaft. There are hook holes arranged symmetrically around the matching mounting holes; the bottom end of the plastic cover matches the periphery of each mounting hole and is provided with a set of undercuts, and each set of undercuts includes at least two There are two undercuts, a set of undercuts arranged on the periphery of each installation hole is buckled to install a balance bar, and the two free ends of the balance bar are also respectively connected with the hooks that pass through the matching hook holes.

In the above technical solution, the hook is glued and fixed to the keycap, or the hook cross column formed on the upper end of the hook is snapped into the ten-letter groove of the keycap formed on the matching position of the keycap. connected, or fixed by one-piece injection molding.

In the above technical solution, a hook groove is provided at the end where the hook is interlocked with the balance bar, and the opening of the hook groove is a trumpet-shaped opening, and an undercut groove is formed on the top of the undercut, and The opening of the undercut groove is also a trumpet-shaped opening; the balance bar snaps into the hook groove of the hook and/or the undercut groove of the undercut and can move up and down in the hook groove and/or undercut groove , when the keycap is matched and pressed, the balance bar is automatically returned to its position following the keycap shaft.

In the above technical solution, the bottom end of the plastic surface cover matches the upwardly concave shaft bayonet made at the position of the installation hole, and the shaft of the keycap is provided with a shaft bayonet matching the shaft bayonet, The shaft clamping table is buckled on the shaft bayonet, matched with the key cap shaft and buckled and connected with the plastic cover.

In the above technical solution, a number of cover buckles and cover posts are formed on the inner side of the plastic cover, and the plastic bottom cover is respectively formed with A matching number of bottom cover buckles and post slots, the top cover buckles and top cover post slots are respectively buckled into the bottom cover buckles and post slots, matching the plastic bottom cover and the plastic top cover buckles connect.

In the above technical solution, a decorative cover is also fixed on the plastic cover.

According to another aspect of the utility model, the utility model provides another technical solution as follows: a keyboard input device, including a plastic cover, the plastic cover is formed with a number of installation holes, each installation hole A keycap shaft is inlaid and connected to the plastic surface cover by buckling, and the upper end of the keycap shaft is buckled to be mounted with a matching keycap; it also includes a plastic bottom cover, and the plastic bottom cover is buckled to the plastic surface cover. , the plastic bottom cover is also provided with a number of support pillars, and the positions of the several support pillars are also in one-to-one correspondence with the keycap shafts installed on the plastic cover; PCB board, and the gold finger conductive part is made on the position matching with each support column on the gold finger PCB board; when the plastic cover is buckled and connected with the plastic bottom cover, each gold finger conductive part The upper end is matched with a keycap shaft, and the matched keycap is pressed down, so that the conductive graphite carbon column shaft core of the keycap shaft can be electrically connected with the matching gold finger conductive part, and the matching key works.

As a further elaboration to the above-mentioned technical scheme:

In the above technical solution, hooks are fixedly installed on both sides of the keycap, and when the keycap buckle is installed on the keycap shaft, the two hooks snap in from top to bottom and penetrate through the keycap shaft. There are hook holes arranged symmetrically around the matching mounting holes; the bottom end of the plastic cover matches the periphery of each mounting hole and is provided with a set of undercuts, and each set of undercuts includes at least two There are two undercuts, a set of undercuts arranged on the periphery of each installation hole is buckled to install a balance bar, and the two free ends of the balance bar are also respectively connected with the hooks that pass through the matching hook holes.

In the above technical solution, the hook is glued and fixed to the keycap, or the hook cross column formed on the upper end of the hook is snapped into the ten-letter groove of the keycap formed on the matching position of the keycap. connected, or fixed by one-piece injection molding.

In the above technical solution, a hook groove is provided at the end where the hook is interlocked with the balance bar, and the opening of the hook groove is a trumpet-shaped opening, and an undercut groove is formed on the top of the undercut, and The opening of the undercut groove is also a trumpet-shaped opening; the balance bar snaps into the hook groove of the hook and/or the undercut groove of the undercut and can move up and down in the hook groove and/or undercut groove , when the keycap is matched and pressed, the balance bar is automatically returned to its position following the keycap shaft.

In the above technical solution, the bottom end of the plastic surface cover matches the upwardly concave shaft bayonet made at the position of the installation hole, and the shaft of the keycap is provided with a shaft bayonet matching the shaft bayonet, The shaft clamping table is buckled on the shaft bayonet, matched with the key cap shaft and buckled and connected with the plastic cover.

In the above technical solution, a number of cover buckles and cover posts are formed on the inner side of the plastic cover, and the plastic bottom cover is respectively formed with A matching number of bottom cover buckles and post slots, the top cover buckles and top cover post slots are respectively buckled into the bottom cover buckles and post slots, matching the plastic bottom cover and the plastic top cover buckles connect.

In the above technical solution, a decorative cover is also fixed on the plastic cover.

Compared with the prior art, the utility model has the beneficial effect that: the keyboard cover of the keyboard input device of the utility model is made of plastic material, which can be transparent or opaque, and when it is transparent, it can be used for products requiring light guide When it is up, its light guide performance is better, and the luminescence is enhanced; the keyboard input device of the utility model adopts plastic materials, and the forming structure is convenient, such as the buckle structure, locking screws, and supporting structures can be formed by molds, and the cost of using plastic materials is low. At the same time, the use of plastic materials can install the structure of the balance bar assembly in one piece, saving some parts of the assembly of the balance bar assembly and saving costs; the keyboard input device of the present invention uses a conductive graphite carbon column as the axis of the keycap shaft, which It is conductive and has good hardness. It can be used to form gold finger wires on the PCB or directly use conductive graphite carbon columns and key line film sheets to complete keyboard input. The use of the keyboard is good.

Description of drawings

Fig. 1 is the exploded view of the keyboard input device of embodiment 1;

Fig. 2 is a kind of sectional view of the keyboard input device of embodiment 1;

Fig. 3 is the exploded view of the keyboard input device of embodiment 2;

Fig. 4 is a kind of sectional view of the keyboard input device of embodiment 2;

Fig. 5 is the assembly diagram of the keycap shaft and gold finger PCB board of the keyboard input device of embodiment 2;

Fig. 6 is a sectional view of the keycap shaft of the present invention;

Fig. 7 is the schematic diagram of golden finger PCB board of embodiment 2;

Fig. 8 is a schematic diagram of a balance bar assembled with a plastic cover of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

The embodiments described by referring to the figures are exemplary and are intended to explain the present application and should not be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, "several" and "plurality" mean two or more, unless otherwise specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations. In this application, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "below" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the level of the first feature is smaller than that of the second feature

Example 1

Referring to accompanying drawings 1-2, accompanying drawing 6, and accompanying drawing 8, a keyboard input device includes a plastic cover 1, and the plastic cover 1 is formed with several mounting holes 101 for installing the keycap shaft 2 , the keycap shaft 2 is embedded in the matching mounting hole 101 and is snap-connected with the plastic cover 1. In this embodiment, the bottom end of the plastic cover 1 matches the position of the mounting hole 101 An upwardly concave shaft bayonet 102 is made on the top, and a shaft bayonet 201 matching the shaft bayonet 102 is provided on the keycap shaft 2, and the shaft bayonet 201 is buckled on the shaft bayonet 102, The keycap shaft 2 is matched with the plastic surface cover 1 for buckle connection; the keycap shaft 2 is buckled with a matching keycap 3, and the plastic surface cover 1 is also fixed with a decorative surface cover 10 ; also includes a plastic bottom cover 6, the plastic bottom cover 6 is snap-connected with the plastic cover 1, and in this embodiment, several cover buckles 104 and surface covers are provided on the inner side of the plastic cover 1 Cover post 105, the plastic bottom cover 6 is provided with a matching number of bottom cover snaps 601 and post slots 603 at the positions where the cover snaps 104 and cover posts 105 are arranged, and the face cover snaps The buckle 104 and the cover post 105 are buckled in the bottom cover buckle 601 and the post slot 603 respectively, matching the plastic bottom cover 6 and the plastic cover 1 for buckle connection. The plastic surface cover 1 and the plastic bottom cover 6 are affixed; the plastic bottom cover 6 is also provided with a number of support columns 602, and the several support columns 602 are also in position with the plastic surface cover 1. The keycap shafts 2 are in one-to-one correspondence; the conductive layer 7 is placed on the plurality of support columns 602, and a PCB board 8 is arranged on the conductive layer 7, and the PCB board 8 is used to control the operation of the entire keyboard device, and the PCB board 8 A via hole 801 is formed at a position matching each support column 602. When the plastic cover 1 is snap-connected with the plastic bottom cover 6, a key is mounted on the upper end of each via hole 801. Cap shaft 2, and pressing down the matching key cap 3, the conductive graphite carbon column shaft core 21 of the key cap shaft 2 can pass through the via hole 801 and electrically contact the conductive layer 7, and the matching key works.

In this embodiment, as a further illustration, hooks 4 are fixedly installed on both sides of the keycap 3 (this kind of keycap 3 refers to the keycap corresponding to the key with a larger size of the keycap 3 in the keyboard, not all The key cap 3 of the button. In this embodiment, the hook 4 is glued and fixed to the key cap 3, or is snapped in through the hook cross column (not numbered in the drawings) made on the upper end of the hook 4. The ten-letter groove of the keycap (not numbered in the drawings) made on the matching position of the keycap 3 is affixed, or fixedly connected through integral injection molding. In this embodiment, the hook 4 and the keycap 3 are selected by making The hook cross column (not numbered in the drawings) at the upper end of the hook 4 is snapped into the keycap ten-letter groove (not numbered in the drawings) on the matching position of the keycap 3 for affixation; the keycap 3 is buckled and installed When on the keycap shaft 2, the two hooks 4 snap into from top to bottom and penetrate through the hook holes 103 that are symmetrically arranged on the side of the matching installation hole 101; the plastic cover 1 The bottom end is matched with the periphery of each installation hole 101, and a set of undercuts 5 is also provided, and each set of undercuts 5 includes at least two undercuts 5, and a set of undercuts 5 arranged around each installation hole 101 A balance bar 51 is installed on the upper buckle, and the two free ends of the balance bar 51 are respectively embedded and connected with the hooks 4 that pass through the matching hook holes 103, and the undercut 5 cooperates with the hook 4 to hold the The balance bar 51 is fixed. In this embodiment, a hook groove 401 is provided at the end where the hook 4 and the balance bar 51 are hooked and buckled, and the opening of the hook groove 401 is a trumpet-shaped opening. The hook groove 401 The inner diameter of the undercut groove 501 is larger than the outer diameter of the balance bar 51, and the undercut groove 501 is formed on the undercut 5, and the opening of the undercut groove 501 is also a trumpet-shaped opening, and the inner diameter of the undercut groove 501 is also larger than the undercut groove 501. The outer diameter of the balance bar 51; the balance bar 51 snaps into the hook groove 401 of the hook 4 and/or the undercut groove 501 of the undercut 5 and can go up and down in the hook groove 401 and/or the undercut groove 501 When the keycap 3 is pressed, the balance bar 51 will automatically return to its position following the keycap shaft 2. It should be noted that, in practice, there is no need to set the hook 4 and the inverted button for small keys and keycaps. The balance structure composed of the buckle 5 and the balance bar 5 requires a balance structure only for keys corresponding to relatively long keycaps, for example: space bar, enter key, shift key, Backspace key, and CapsLock key.

Example 2

Referring to accompanying drawings 3-8, a kind of keyboard input device, it comprises plastic surface cover 1, and described plastic surface cover 1 is formed with a plurality of installation hole positions 101 that are used for keycap shaft 2 installation, and described keycap shaft 2 is inlaid with In the matching installation hole 101 and snap-connected with the plastic cover 1, in this embodiment, the bottom end of the plastic cover 1 matches the installation hole 101 and makes an upwardly concave shaft bayonet 102, the keycap shaft 2 is provided with a shaft clamping platform 201 that matches the shaft bayonet socket 102, and the shaft clamping platform 201 is buckled on the shaft bayonet socket 102 to match the keycap shaft 2 and the shaft clamping socket 102. The plastic cover 1 is buckled and connected; the upper end of the keycap shaft 2 is buckled with a matching keycap 3, and the plastic cover 1 is also fixed with a decorative cover 10; it also includes a plastic bottom cover 6, The plastic bottom cover 6 is snap-connected with the plastic cover 1. In this embodiment, several cover buckles 104 and cover posts 105 are arranged on the inner side of the plastic cover 1. The plastic cover 1 Bottom cover 6 is provided with matching number of bottom cover snaps 601 and post slots 603 at the position where the cover snaps 104 and cover posts 105 are arranged, and the cover snaps 104 and cover posts 105 They are respectively snapped into the bottom cover buckle 601 and the post slot 603 to match the plastic bottom cover 6 and the plastic top cover 1. The cover 6 is fixed; the plastic bottom cover 6 is also provided with a number of support columns 602, and the positions of the plurality of support columns 602 also correspond to the keycap shafts 2 installed on the plastic surface cover 1 one by one; Gold finger PCB boards 9 are installed on the plurality of support columns 602, and gold finger conductive parts 901 are formed on the positions matching each support column 602 on the gold finger PCB boards 9, and the gold finger PCB boards 9 are used for The key cap shaft 2 collects the input signal and controls the operation of the entire keyboard; when the plastic cover 1 and the plastic bottom cover 6 are snap-connected, the upper end of each gold finger conductive part 901 is matched with a key cap shaft 2. Pressing down on the matching keycap can make the conductive graphite carbon column shaft core 21 of the keycap shaft 2 electrically connected to the matching gold finger conductive part 901, and the matching button works.

In this embodiment, as a further illustration, hooks 4 are fixedly installed on both sides of the keycap 3 (this kind of keycap 3 refers to the keycap corresponding to the key with a larger size of the keycap 3 in the keyboard, not all The key cap 3 of the button. In this embodiment, the hook 4 is glued and fixed to the key cap 3, or is snapped in through the hook cross column (not numbered in the drawings) made on the upper end of the hook 4. The ten-letter groove of the keycap (not numbered in the drawings) made on the matching position of the keycap 3 is affixed, or fixedly connected through integral injection molding. In this embodiment, the hook 4 and the keycap 3 are selected by making The hook cross column (not numbered in the drawings) at the upper end of the hook 4 is snapped into the keycap ten-letter groove (not numbered in the drawings) on the matching position of the keycap 3 for affixation; the keycap 3 is buckled and installed When on the keycap shaft 2, the two hooks 4 snap into from top to bottom and penetrate through the hook holes 103 that are symmetrically arranged on the side of the matching installation hole 101; the plastic cover 1 The bottom end is matched with the periphery of each installation hole 101, and a set of undercuts 5 is also provided, and each set of undercuts 5 includes at least two undercuts 5, and a set of undercuts 5 arranged around each installation hole 101 A balance bar 51 is installed on the upper buckle, and the two free ends of the balance bar 51 are respectively embedded and connected with the hooks 4 that pass through the matching hook holes 103, and the undercut 5 cooperates with the hook 4 to hold the The balance bar 51 is fixed. In this embodiment, a hook groove 401 is provided at the end where the hook 4 and the balance bar 51 are hooked and buckled, and the opening of the hook groove 401 is a trumpet-shaped opening. The hook groove 401 The inner diameter of the undercut groove 501 is larger than the outer diameter of the balance bar 51, and the undercut groove 501 is formed on the undercut 5, and the opening of the undercut groove 501 is also a trumpet-shaped opening, and the inner diameter of the undercut groove 501 is also larger than the undercut groove 501. The outer diameter of the balance bar 51; the balance bar 51 snaps into the hook groove 401 of the hook 4 and/or the undercut groove 501 of the undercut 5 and can go up and down in the hook groove 401 and/or the undercut groove 501 When the keycap 3 is pressed, the balance bar 51 will automatically return to its position following the keycap shaft 2. It should be noted that, in practice, there is no need to set the hook 4 and the inverted button for small keys and keycaps. The balance structure composed of the buckle 5 and the balance bar 5 requires a balance structure only for keys corresponding to relatively long keycaps, for example: space bar, enter key, shift key, Backspace key, and CapsLock key.

The above does not limit the technical scope of the present utility model in any way, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the present utility model.

Claims (10)

1. a kind of finger-impu system, it is characterised in that, including plastic cement cover, the plastic rubber surface, which covers, is formed with several mounting holes , it is inlayed in each installation hole location and a keycap axis is installed and is connect with plastic rubber surface cover latch, keycap axis upper end buckle peace Equipped with matched keycap；It further include plastic cement bottom cover, the plastic cement bottom cover is connect with the plastic rubber surface cover latch, the plastic cement bottom cover On be additionally provided with several support columns, several support columns in position also be installed in keycap axis that the plastic rubber surface covers one by one It is corresponding；Place conductive layer on several support columns, pcb board set on the conductive layer, and on the pcb board with each support column Match to open on position and is formed with via hole, when the plastic cement cover is connect with the plastic bottom cover latch, each via hole upper end Matching installation has a keycap axis, and presses down on matched keycap, can make the electrically conductive graphite carbon axis of a cylinder core of the keycap axis Across the via hole and it is in electrical contact the conductive layer, matches key works.

2. a kind of finger-impu system according to claim 1, it is characterised in that, the keycap two sides are also affixed to be equipped with Hook, and keycap buckle is when being installed on the keycap axis, two hooks be caught in from top to bottom and through system of opening With installation hole location side and symmetrically arranged hook hole；The bottom end of the plastic cement cover matches the periphery of each installation hole location It is additionally provided with one group of back-off, each group of back-off includes at least two back-offs, is arranged in one group of back-off on each installation hole location periphery Buckle is equipped with a balancing pole, and two free ends of the balancing pole also connect with through the hook buckle for matching hook hole respectively It connects.

3. a kind of finger-impu system according to claim 2, it is characterised in that, the hook and the keycap gluing are solid It connects, or the hook cross column by system in hook upper end is caught in the keycap cross female groove made in the keycap matching position and consolidates It connects, or affixed by integrated injection molding.

4. a kind of finger-impu system according to claim 3, it is characterised in that, the hook and the balancing pole hook The end of buckle connection sets hook slot, and the opening for hooking slot is flare openings, opens back-off groove processed in the back-off, and it is described fall The opening of catching groove is also flare openings；The balancing pole is caught in the back-off groove for hooking slot and/or back-off of the hook and energy It is moved up and down hooking in slot and/or back-off groove, when matching presses keycap, makes the balancing pole that the keycap axis be followed to return automatically Position.

5. a kind of finger-impu system according to claim 4, it is characterised in that, described in the matching of plastic rubber surface base end Concave up axis bayonet is made on installation hole location position, the keycap axis is equipped with the shaft fixed disk to match with the axis bayonet, institute It states shaft fixed disk to be buckled on the axis bayonet, matches the keycap axis and connect with the plastic rubber surface cover latch；In the plastic cement cover Several cover buckles and cover card column are formed on side, the plastic bottom covers matching cover buckle and position is arranged in cover card column Place is formed respectively with the bottom cover buckle and card column slot of matching number, cover buckle and cover card column buckle into respectively bottom cover buckle and In card column slot, matches the plastic cement bottom cover and connect with the plastic rubber surface cover latch；The plastic rubber surface, which covers, is fixedly provided with decorative cover Lid.

6. a kind of finger-impu system, it is characterised in that, including plastic cement cover, the plastic rubber surface, which covers, is formed with several mounting holes , it is inlayed in each installation hole location and a keycap axis is installed and is connect with plastic rubber surface cover latch, keycap axis upper end buckle peace Equipped with matched keycap；It further include plastic cement bottom cover, the plastic cement bottom cover is connect with the plastic rubber surface cover latch, the plastic cement bottom cover On be additionally provided with several support columns, several support columns in position also be installed in keycap axis that the plastic rubber surface covers one by one It is corresponding；Golden finger pcb board, and the position that matches on the golden finger pcb board with each support column are placed on several support columns Set golden finger conductive part processed；When the plastic cement cover is connect with the plastic bottom cover latch, each golden finger conductive part Upper end Matching installation has a keycap axis, and presses down on matched keycap, can make the electrically conductive graphite carbon column of the keycap axis Central spindle is electrically connected with matched golden finger conductive part, matches key works.

7. a kind of finger-impu system according to claim 6, it is characterised in that, the keycap two sides are also affixed to be equipped with Hook, and keycap buckle is when being installed on the keycap axis, two hooks be caught in from top to bottom and through system of opening With installation hole location side and symmetrically arranged hook hole；The bottom end of the plastic cement cover matches the periphery of each installation hole location It is additionally provided with one group of back-off, each group of back-off includes at least two back-offs, is arranged in one group of back-off on each installation hole location periphery Buckle is equipped with a balancing pole, and two free ends of the balancing pole also connect with through the hook buckle for matching hook hole respectively It connects.

8. a kind of finger-impu system according to claim 7, it is characterised in that, the hook and the keycap gluing are solid It connects, or the hook cross column by system in hook upper end is caught in the keycap cross female groove made in the keycap matching position and consolidates It connects, or affixed by integrated injection molding.

9. a kind of finger-impu system according to claim 8, it is characterised in that, the hook and the balancing pole hook The end of buckle connection sets hook slot, and the opening for hooking slot is flare openings, opens back-off groove processed in the back-off, and it is described fall The opening of catching groove is also flare openings；The balancing pole is caught in the back-off groove for hooking slot and/or back-off of the hook and energy It is moved up and down hooking in slot and/or back-off groove, when matching presses keycap, makes the balancing pole that the keycap axis be followed to return automatically Position.

10. a kind of finger-impu system according to claim 9, it is characterised in that, plastic rubber surface base end matches institute It states and makes concave up axis bayonet on installation hole location position, the keycap axis is equipped with the shaft fixed disk to match with the axis bayonet, The shaft fixed disk is buckled on the axis bayonet, is matched the keycap axis and is connect with the plastic rubber surface cover latch；The plastic cement cover Several cover buckles and cover card column are formed on inner side edge, the plastic bottom covers matching cover buckle and position is arranged in cover card column The place of setting is formed respectively with the bottom cover buckle and card column slot of matching number, and the cover buckle and cover card column buckle into bottom cover buckle respectively In card column slot, matches the plastic cement bottom cover and connect with the plastic rubber surface cover latch；The plastic rubber surface, which covers, is fixedly provided with decoration Cover.