CN205050739U

CN205050739U - Novel keyboard switch

Info

Publication number: CN205050739U
Application number: CN201520550845.8U
Authority: CN
Inventors: 吴福喜
Original assignee: Dongguan Kaihua Electronics Co Ltd
Current assignee: Dongguan Kaihua Electronics Co Ltd
Priority date: 2015-07-28
Filing date: 2015-07-28
Publication date: 2016-02-24
Anticipated expiration: 2025-07-28

Abstract

The utility model relates to a keyboard switch field, concretely relates to novel keyboard switch, the button slope easily takes place, uses the problem that has some setbacks for the keyboard switch who has solved prior art. The reset spring that novel keyboard switch includes base, static contact, movable contact spring, upper cover, button and is used for reseing behind the button atress, the upper cover lock is on the base, and button one end can be installed on the base movablely from top to bottom, and the other end wears to establish the upper cover, reset spring's upper and lower both ends respectively with button and base looks butt, still include at least two balancing pole, at least four rotation groove and guide runners that are used for installing the balancing pole that are used for preventing the button slope, the main part of balancing pole is rotationally inlayed and is adorned in rotating the groove, and both ends are rotationally inlayed in the guide runner that corresponds and are followed the guide runner round trip movement. The utility model discloses a balancing pole is fixed a position the button for press the in -process, difficult run -off the straight of button or card key, thus guarantee the switch and is pressing the in -process that smoothly just the finger pressure sense of touch is good for rapid operation, use.

Description

Novel keyboard switch

Technical field

The present invention relates to keyboard switch art, refer in particular to a kind of novel keyboard switch.

Background technology

Keyboard switch, as the term suggests be a kind ofly apply and be installed on the switch on keyboard, the primary structure of this switch includes pedestal, upper cover, static contact, movable contact spring and button, this upper cover and pedestal enclose formation containing cavity, this static contact, movable contact spring and button are arranged in this containing cavity, and one end of this button is exposed outside containing cavity, by pressing operational and controlled key button, make button up and down, and then act on movable contact spring by button, movable contact spring is contacted with static contact connect or depart to separate, realize the opening and closing of keyboard.

Traditional keyboard switch is along the reference column protruded out downwards mostly in button; vertical telescopic is made in pedestal opening; in order to circuits for triggering contact, the button reference column of this keyboard switch and the contact-making surface of pedestal less, button is easy run-off the straight or card key in pressing process; on the one hand; button often there will be catching phenomenon, and use has some setbacks, instability, on the other hand; during operation, finger pressure sense of touch is not good enough, can not meet user's instructions for use.For head it off, guide and the key post stretched in its keyhole of prior art are generally designed to the larger structure of contact-making surface, make in the keyhole of guide, to do axial motion smoothly by bond energy.But the button of this button contacts with forming surface between guide on the one hand, the frictional force when operating between button and guide is comparatively large, operation effort; Structure too unification, uses shortcoming smoothness on the other hand, and installs comparatively numerous and diverse.

Summary of the invention

For solving the problem, the invention provides one and can prevent button from tilting and card key and rapid operation, use is smooth and easy, finger pressure sense of touch is good, install simple novel keyboard switch.

The technical solution adopted in the present invention is: novel keyboard switch, comprises base, static contact, movable contact spring, upper cover, the button contacted with static contact for controlling movable contact spring activity and the back-moving spring for the stressed rear reset of described button; Described upper cover is fastened on base, and described static contact and movable contact spring are all arranged on base, and described button one end can be installed on base up and downly, and the other end wears described upper cover, and the two ends up and down of described back-moving spring abut against with button and base respectively; Also comprise at least two for prevent described button from tilting balancing pole, at least four in order to install rotation slot and the guide runner of balancing pole, the number of described guide runner and rotation slot is the twice of balancing pole number, the main body of described balancing pole is flush-mounted in rotation slot respectively rotationally, and the two ends of balancing pole to be embedded in rotationally in corresponding guide runner and to move around along guide runner.

Being improved to further technique scheme, described balancing pole is symmetrically arranged two, i.e. the first balancing pole and the second balancing pole, described first balancing pole and the second balancing pole are symmetricly set between button and base, the relative both sides of described base are respectively arranged with two the first rotation slots and two the second rotation slots, and the relative dual-side of described button is respectively arranged with two the first guide runners and two the second guide runners; Described first balancing pole includes first body of rod and two the first adjutages, two described first adjutages extend from the one bending of the two ends of first body of rod respectively, the equal bending of tail end of two the first adjutages is extended the first linking arm, two the first linking arms toward each other, described first body of rod is flush-mounted in the first rotation slot rotationally, and two the first linking arms to be embedded in rotationally respectively in the first corresponding guide runner and to move around along the first guide runner; Described first rotation slot is two of spacing side by side setting, and the two ends of first body of rod are embedded in the first corresponding rotation slot respectively; Described second balancing pole includes second body of rod and two the second adjutages, two described second adjutages extend from the one bending of the two ends of second body of rod respectively, the equal bending of tail end of two the second adjutages is extended the second linking arm, two the second linking arms toward each other, described second body of rod is flush-mounted in the second rotation slot rotationally, and two the second linking arms to be embedded in rotationally respectively in the second corresponding guide runner and to move around along the second guide runner; Described second rotation slot is two of spacing side by side setting, and the two ends of second body of rod are embedded in the second corresponding rotation slot respectively.

Being improved to further technique scheme, be provided with a location division of stretching out to base direction in the middle of described first guide runner and the second guide runner, on described base, correspondence is provided with a location hole, and described location division is embedded at described location hole.

Being improved to further technique scheme, described balancing pole is symmetrically arranged two, i.e. the 3rd balancing pole and the 4th balancing pole, described 3rd balancing pole and the 4th balance pole pair claim to be arranged at outside upper cover and button, be respectively arranged with two the 3rd rotation slots and two the 4th rotation slots outside the relative both sides of described upper cover, the relative dual-side of described button is respectively arranged with two the 3rd guide runners and two the 4th guide runners; Described 3rd balancing pole includes the 3rd body of rod and two the 3rd adjutages, two described 3rd adjutages extend from the one bending of the two ends of the 3rd body of rod respectively, the equal bending of tail end of two the 3rd adjutages is extended the 3rd linking arm, two the 3rd linking arms toward each other, described 3rd body of rod is flush-mounted in the 3rd rotation slot rotationally, and two the 3rd linking arms to be embedded in rotationally respectively in the 3rd corresponding guide runner and to move around along the 3rd guide runner; Described 3rd rotation slot is two of spacing side by side setting, and the two ends of the 3rd body of rod are embedded in the 3rd corresponding rotation slot respectively; Described 4th balancing pole includes the 4th body of rod and two the 4th adjutages, two described 4th adjutages extend from the one bending of the two ends of the 4th body of rod respectively, the equal bending of tail end of two the 4th adjutages is extended the 4th linking arm, two the 4th linking arms toward each other, described 4th body of rod is flush-mounted in the 4th rotation slot rotationally, and two the 4th linking arms to be embedded in rotationally respectively in the 4th corresponding guide runner and to move around along the 4th guide runner; Described 4th rotation slot is two of spacing side by side setting, and the two ends of the 4th body of rod are embedded in the 4th corresponding rotation slot respectively.

Being improved to further technique scheme, also comprise the outer stationary plates be installed on for firm banking below base, described balancing pole is symmetrically arranged two, i.e. the 5th balancing pole and the 6th balancing pole, described 5th balancing pole and the 6th balancing pole are symmetricly set in outside outer stationary plates and button, described outer stationary plates central base installing hole, described installing hole bilateral symmetry is provided with two supporting seats, two described supporting seats are respectively arranged with two the 5th rotation slots and two the 6th rotation slots, the relative dual-side of described button is respectively arranged with two the 5th guide runners and two the 6th guide runners, described 5th balancing pole includes the 5th body of rod and two the 5th adjutages, two described 5th adjutages extend from the one bending of the two ends of the 5th body of rod respectively, the equal bending of tail end of two the 5th adjutages is extended the 5th linking arm, two the 5th linking arms toward each other, described 5th body of rod is flush-mounted in the 5th rotation slot rotationally, and two the 5th linking arms to be embedded in rotationally respectively in the 5th corresponding guide runner and to move around along the 5th guide runner, described 5th rotation slot is two of spacing side by side setting, and the two ends of the 5th body of rod are embedded in the 5th corresponding rotation slot respectively, described 6th balancing pole includes the 6th body of rod and two the 6th adjutages, two described 6th adjutages extend from the one bending of the two ends of the 6th body of rod respectively, the equal bending of tail end of two the 6th adjutages is extended the 6th linking arm, two the 6th linking arms toward each other, described 6th body of rod is flush-mounted in the 6th rotation slot rotationally, and two the 6th linking arms to be embedded in rotationally respectively in the 6th corresponding guide runner and to move around along the 6th guide runner, described 6th rotation slot is two of spacing side by side setting, and the two ends of the 6th body of rod are embedded in the 6th corresponding rotation slot respectively.

Being improved to further technique scheme, described balancing pole is symmetrically arranged two, i.e. the 7th balancing pole and the 8th balancing pole, described 7th balancing pole and the 8th balancing pole are symmetricly set in upper cover and chassis outer side, two the 7th rotation slots and two the 8th rotation slots are respectively arranged with outside the relative both sides of described base, the groove lid for covering the 7th rotation slot and the 8th rotation slot is respectively arranged with the 7th rotation slot and the 8th rotation slot opposite position outside the relative both sides of described upper cover, the relative dual-side of described button is respectively arranged with two the 7th guide runners and two the 8th guide runners, described 7th balancing pole includes the 7th body of rod and two the 7th adjutages, two described 7th adjutages extend from the one bending of the two ends of the 7th body of rod respectively, the equal bending of tail end of two the 7th adjutages is extended the 7th linking arm, two the 7th linking arms toward each other, described 7th body of rod is flush-mounted in the 7th rotation slot rotationally, and two the 7th linking arms to be embedded in rotationally respectively in the 7th corresponding guide runner and to move around along the 7th guide runner, described 7th rotation slot is two of spacing side by side setting, and the two ends of the 7th body of rod are embedded in the 7th corresponding rotation slot respectively, described 8th balancing pole includes the 8th body of rod and two the 8th adjutages, two described 8th adjutages extend from the one bending of the two ends of the 8th body of rod respectively, the equal bending of tail end of two the 8th adjutages is extended the 8th linking arm, two the 8th linking arms toward each other, described 8th body of rod is flush-mounted in the 8th rotation slot rotationally, and two the 8th linking arms to be embedded in rotationally respectively in the 8th corresponding guide runner and to move around along the 8th guide runner, described 8th rotation slot is two of spacing side by side setting, and the two ends of the 8th body of rod are embedded in the 8th corresponding rotation slot respectively.

Being improved to further technique scheme, the two relative side of described upper cover is all arranged at intervals with two buckle teeth, the two relative side of described base corresponds to outwardly formation one projection between two buckle teeth, described buckle teeth can be detained and be located at protruding both sides, and described upper cover and base are fastened each other by buckle teeth and projection.

Being improved to further technique scheme, described upper cover and base fasten formation first container cavity and the second container cavity; Described static contact and movable contact spring are positioned at the first container cavity, and described button and back-moving spring are positioned at the second container cavity; Described first balancing pole and the second balancing pole are positioned at the second container cavity.

Being improved to further technique scheme, described button is provided with guide hole, accordingly, described base is provided with guide posts, and described guide hole to be sheathed on outside guide posts and up and down along guide posts.

Being improved to further technique scheme, described static contact is provided with fixed contact and the first welding foot, described movable contact spring is provided with moving contact and the second welding foot, described fixed contact and moving contact correspondence are arranged, and described first welding foot and the second welding foot all extend outside the base.

Beneficial effect of the present invention is:

1, at least two balancing poles are provided with, balancing pole can be arranged between button and base or is contained between upper cover and base outward or is contained in outward between upper cover and button or exterior between outer stationary plates and button, by balancing pole, button is positioned, make in pressing process, button is less likely to occur or card key, thus ensure that switch is in pressing process, rapid operation, use smooth and easy, finger pressure sense of touch is good, and structure is simple, easy for installation.

2, two balancing poles are symmetricly set on button both sides, when user tilts pressing keys, because button both sides are all provided with balancing pole, offset the component of pressing force at incline direction by the rotation of balancing pole, prevent button from tilting or card key further, ensure the smoothness used.

3, two balancing poles all rotatable by two linking arms and can move around be installed on button both sides, by two bodies of rod rotating be installed on base or outer stationary plates or on cover, frictional force between two balancing poles and button and base, outer stationary plates, upper cover is little, while avoiding button to tilt, push switch is operated more laborsaving, ensure the smoothness used further.

4, upper cover is arranged at intervals with buckle teeth, and base correspondence forms a projection, and buckle teeth can be detained and be located at protruding both sides, and upper cover and base are fastened each other by buckle teeth and projection, and the two combines closely, avoids key sway, prevents button run-off the straight or card key further.

5, upper cover and base fasten formation first container cavity and the second container cavity, button is positioned at the second container cavity, first balancing pole and the second balancing pole are also positioned at the second container cavity, contact area between button and base is little, while the first balancing pole and the second balancing pole ensure button not run-off the straight, when button moves up and down, frictional force is less, rapid operation.

6, a location division is provided with in the middle of the first guide runner of button and the second guide runner, on base, correspondence is provided with a location hole, by location division is embedded at location hole, positions from both sides button, run-off the straight card key when preventing button from moving up and down further, ensures the smoothness used.

7, button is provided with guide hole, accordingly, base is provided with guide posts, guide hole to be sheathed on outside guide posts and up and down along guide posts, by guide hole is sheathed on outside guide posts, from center, button is positioned, ensure button axial motion, run-off the straight or card key when preventing button from moving up and down further, ensure the smoothness used.

Accompanying drawing explanation

Fig. 1 is the stereogram of first embodiment of the present invention;

Fig. 2 is the exploded view of first embodiment of the present invention;

Fig. 3 is the explosive view of first embodiment of the present invention;

Fig. 4 is the sectional view of first embodiment of the present invention;

Fig. 5 is the structural representation of the base of the present invention;

Fig. 6 is the structural representation of the button of the present invention;

Fig. 7 is the stereogram of second embodiment of the present invention;

Fig. 8 is the exploded view of second embodiment of the present invention;

Fig. 9 is the explosive view of second embodiment of the present invention;

Figure 10 is the sectional view of second embodiment of the present invention;

Figure 11 is the stereogram of the 3rd embodiment of the present invention;

Figure 12 is the exploded view of the 3rd embodiment of the present invention;

Figure 13 is the explosive view of the 3rd embodiment of the present invention;

Figure 14 is the sectional view of the 3rd embodiment of the present invention;

Figure 15 is the stereogram of the 4th embodiment of the present invention;

Figure 16 is the explosive view of the 4th embodiment of the present invention;

Figure 17 is the sectional view of the 4th embodiment of the present invention.

Embodiment

Below in conjunction with accompanying drawing, the present invention is further illustrated.

Embodiment one:

As shown in figures 1-4, the stereogram of first embodiment of the present invention, exploded view, explosive view and sectional view is respectively.Novel keyboard switch 100, comprises base 10, static contact 20, movable contact spring 30, upper cover 60, the button 40 contacted with static contact 20 for controlling movable contact spring 30 activity and the back-moving spring 50 for the stressed rear reset of button 40.

Upper cover 60 is fastened on base 10, and static contact 20 and movable contact spring 30 are all arranged on base 10, and button 40 one end can be installed on base 10 up and downly, and the other end wears upper cover 60, and the two ends up and down of back-moving spring 50 abut against with button 40 and base 10 respectively.

Static contact 20 is provided with fixed contact 21 and the first welding foot 22, movable contact spring 30 is provided with moving contact 31 and the second welding foot 32, fixed contact 21 and moving contact 31 correspondence are arranged, and the first welding foot 22 and the second welding foot 32 are all outside protuberate basic unit 10.

As shown in Fig. 5 ~ 6, be respectively the base of the first embodiment and the structural representation of button of the present invention.The first balancing pole 70 and the second balancing pole 80 for preventing button 40 from tilting is symmetrically arranged with between base 10 and button 40, the both sides of base 10 are provided with the first rotation slot 11 and the second rotation slot 12, and the limit, two opposite sides of button 40 is respectively arranged with two the first guide runners 41 and two the second guide runners 42; First balancing pole 70 and the second balancing pole 80 are flush-mounted in the first rotation slot 11 and the second rotation slot 12 respectively rotationally, and to be embedded in rotationally in the first corresponding guide runner 41 and the second guide runner 42 and to move around along the first guide runner 41 and the second guide runner 42.

The first balancing pole 70 and the second balancing pole 80 for preventing button 40 from tilting is symmetrically arranged with between base 10 and button 40, by two balancing poles, button 40 is positioned, make in pressing process, button 40 is less likely to occur or card key, thus ensure that switch 100 is in pressing process, rapid operation, use smooth and easy and finger pressure sense of touch is good.

First balancing pole 70 and the second balancing pole 80 are symmetricly set on button 40 both sides, when user tilts pressing keys 40, because button 40 both sides are all provided with balancing pole, the component of pressing force at incline direction is offset by the rotation of balancing pole, prevent button 40 from tilting or card key further, ensure the smoothness used.

First balancing pole 70 includes first body of rod 71 and two the first adjutages 72, two the first adjutages 72 extend from the one bending of the two ends of first body of rod 71 respectively, the equal bending of tail end of two the first adjutages 72 is extended the first linking arm 73, two the first linking arms 73 toward each other, first body of rod 71 is flush-mounted in the first rotation slot 11 rotationally, and two the first linking arms 73 to be embedded in rotationally respectively in the first corresponding guide runner 41 and to move around along the first guide runner 41.Second balancing pole 80 includes second body of rod 81 and two the second adjutages 82, two the second adjutages 82 extend from the one bending of the two ends of second body of rod 81 respectively, the equal bending of tail end of two the second adjutages 82 is extended the second linking arm 83, two the second linking arms 83 toward each other, second body of rod 81 is flush-mounted in the second rotation slot 12 rotationally, and two the second linking arms 83 to be embedded in rotationally respectively in the second corresponding guide runner 42 and to move around along the second guide runner 42.

What the first balancing pole 70 and the second balancing pole 80 all rotatably also can be moved around by the first linking arm 73 and the second linking arm 83 is installed on button 40 both sides, by first body of rod 71 with second body of rod 81 is rotating is installed on base 10, first balancing pole 70 and the second balancing pole 80 and the frictional force between button 40 and base 10 little, while avoiding button 40 to tilt, push switch 100 is operated more laborsaving, ensure the smoothness used further.

First rotation slot 11 and the second rotation slot 12 are two of spacing side by side setting, and the two ends of first body of rod 71 and second body of rod 81 are embedded in the first corresponding rotation slot 11 and the second rotation slot 12 respectively.

The two relative side of upper cover 60 is all arranged at intervals with two buckle teeth 61, the two relative side of base 10 corresponds to outwardly formation one projection 13 between two buckle teeth 61, buckle teeth 61 can be detained and be located at protruding 13 both sides, upper cover 60 and base 10 are fastened each other by buckle teeth 61 and protruding 13, the two combines closely, avoid button 40 to rock, prevent button 40 run-off the straight or card key further.

Upper cover 60 and base 10 fasten formation first container cavity 15 and the second container cavity 16, static contact 20 and movable contact spring 30 are positioned at the first container cavity 15, button 40 and back-moving spring 50 are positioned at the second container cavity 16, first balancing pole 70 and the second balancing pole 80 is positioned at the second container cavity 16.Contact area between button 40 and base 10 is little, and while the first balancing pole 70 and the second balancing pole 80 ensure button 40 not run-off the straight, when button 40 moves up and down, frictional force is less, rapid operation.

A location division 43 of stretching out to base 10 direction is provided with in the middle of first guide runner 41 of button 40 and the second guide runner 42, on base 10, correspondence is provided with a location hole 14, by location division 43 is embedded at location hole 14, position from both sides to button 40, run-off the straight card key when preventing button 40 from moving up and down further, ensures the smoothness used.

Button 40 is provided with guide hole 44, accordingly, base 10 is provided with guide posts 17, guide hole 44 to be sheathed on outside guide posts 17 and up and down along guide posts 17, by guide hole 44 is sheathed on outside guide posts 17, position from center to button 40, ensure button 40 axial motion, run-off the straight or card key when preventing button 40 from moving up and down further, ensure the smoothness used.

Operation principle of the present invention is:

Assembling process is, first, static contact 20 and movable contact spring 30 is installed on base 10, makes the first welding foot 22 of static contact 20 and the second welding foot 32 protuberate basic unit 10 all downwards of movable contact spring 30; Secondly, below the guide hole 44 back-moving spring 50 being connected to button 40, guide hole 44 is moving up and down to be set in outside guide posts 17, back-moving spring 50 is also set in outside guide posts 17 simultaneously, the lower end of back-moving spring 50 embeds in base 10, location division 43 also mobilizable location hole 14 being embedded at base 10 of button 40, such that button 40 one end is moving up and down to be arranged on base 10; Then, first linking arm 73 of the first balancing pole 70 and the second balancing pole 80 and the second linking arm 83 are embedded in the first corresponding guide runner 41 and the second guide runner 42 respectively rotationally, then first body of rod 71 and second body of rod 81 are flush-mounted in the first rotation slot 11 and the second rotation slot 12 rotationally; Finally, put upper cover 60, buckle teeth 61 is fastened with protruding 13, and upper cover 60 is mounted on base 10, and the other end of button 40 wears upper cover 60 simultaneously.Prevent button 40 principle that tilts from being: under reset condition, button 40 props up movable contact spring 30 and makes the moving contact 31 of movable contact spring 30 keep being separated with the fixed contact 21 on static contact 20, and circuit is now in off-state.When active force acts on button 40, move from the top down after button 40 is stressed, depart from compressing movable contact spring 30, movable contact spring 30 opens and moving contact 31 is contacted with fixed contact 21 under the effect of its own resilient, thus turning circuit; First balancing pole 70 and the second balancing pole 80 are under the effect of button 40, and first body of rod 71 and second body of rod 81 can rotate, and the first linking arm 73 rotates and moves right, and the second linking arm 83 rotates and is moved to the left.

When active force disappears, button 40 automatically upwards resets under the effect of back-moving spring 50, button 40 is made again to compress movable contact spring 30, moving contact 31 is separated and open circuit again with fixed contact 21, first body of rod 71 and the second body of rod 81 backwards rotation, first linking arm 73 also backwards rotation be moved to the left reset, also backwards rotation the reset that moves right of the second linking arm 83.

In the stressed backward lower motion process of this button 40, positioned button 40 by two balancing poles, make in pressing process, button 40 is less likely to occur or card key, thus ensure that switch 100 is in pressing process, rapid operation, use smooth and easy and finger pressure sense of touch is good.Simultaneously, be sheathed on outside guide posts 17 by guide hole 44, position from center to button 40, location hole 14 is embedded at by location division 43, position from both sides to button 40, ensure button 40 axial motion, run-off the straight or card key when preventing button 40 from moving up and down further, ensure the smoothness used.

In the present embodiment, balancing pole is set to two, and in other embodiments, balancing pole can be greater than two.

Embodiment two:

As shown in Fig. 7 ~ 10, be respectively the stereogram of second embodiment of the present invention, exploded view, explosive view and sectional view.

The concrete structure of the present embodiment is substantially identical with the concrete structure of aforementioned first embodiment, its difference is: in the present embodiment, balancing pole is symmetrically arranged two, i.e. the 3rd balancing pole 70a and the 4th balancing pole 80a, 3rd balancing pole 70a and the 4th balancing pole 80a is symmetricly set in outside upper cover 60 and button 40, be respectively arranged with two the 3rd rotation slots 62 and two the 4th rotation slots 63 outside the relative both sides of upper cover 60, the relative dual-side of button 40 is respectively arranged with two the 3rd guide runners 45 and two the 4th guide runners 46; 3rd balancing pole 70a includes the 3rd body of rod 71a and two the 3rd adjutage 72a, two the 3rd adjutage 72a extend from the one bending of the two ends of the 3rd body of rod 71a respectively, the equal bending of tail end of two the 3rd adjutage 72a is extended the 3rd linking arm 73a, two the 3rd linking arm 73a toward each other, 3rd body of rod 71a is flush-mounted in the 3rd rotation slot 62 rotationally, and two the 3rd linking arm 73a to be embedded in rotationally respectively in the 3rd corresponding guide runner 45 and to move around along the 3rd guide runner 45; 4th balancing pole 80a includes the 4th body of rod 81a and two the 4th adjutage 82a, two the 4th adjutage 82a extend from the one bending of the two ends of the 4th body of rod 81a respectively, the equal bending of tail end of two the 4th adjutage 82a is extended the 4th linking arm 83a, two the 4th linking arm 83a toward each other, 4th body of rod 81a is flush-mounted in the 4th rotation slot 63 rotationally, and two the 4th linking arm 83a to be embedded in rotationally respectively in the 4th corresponding guide runner 46 and to move around along the 4th guide runner 46; 3rd rotation slot 62 and the 4th rotation slot 63 are two of spacing side by side setting, and the two ends of the 3rd body of rod 71a and the 4th body of rod 81a are embedded in the 3rd corresponding rotation slot 62 and the 4th rotation slot 63 respectively.

Embodiment three:

As shown in Figure 11 ~ 14, be respectively the stereogram of the 3rd embodiment of the present invention, exploded view, explosive view and sectional view.

The concrete structure of the present embodiment is substantially identical with the concrete structure of aforementioned first embodiment, its difference is: in the present embodiment, also comprise the outer stationary plates 90 be installed on for firm banking below base, balancing pole is symmetrically arranged two, i.e. the 5th balancing pole 70b and the 6th balancing pole 80b, 5th balancing pole 70b and the 6th balancing pole 80b is symmetricly set in outside outer stationary plates 90 and button 40, outer stationary plates 90 central base installing hole 91, installing hole 91 bilateral symmetry is provided with two supporting seats 92, two supporting seats 92 are respectively arranged with two the 5th rotation slots 93 and two the 6th rotation slots 94, the relative dual-side of button 40 is respectively arranged with two the 5th guide runners 47 and two the 6th guide runners 48, 5th balancing pole 70b includes the 5th body of rod 71b, two the 5th support arm 72b and two the 5th adjutage 73b, two the 5th support arm 72b respectively from the two ends of the 5th body of rod 71b upwards bending extend, two the 5th adjutage 73b extend from the bending of the tail end of the 5th support arm 72b one respectively, the equal bending of tail end of two the 5th adjutage 73b is extended the 5th linking arm 74b, two the 5th linking arm 74b toward each other, 5th body of rod 71b is flush-mounted in the 5th rotation slot 93 rotationally, and two the 5th linking arm 74b to be embedded in rotationally respectively in the 5th corresponding guide runner 47 and to move around along the 5th guide runner 47, 6th balancing pole 80b includes the 6th body of rod 81b, two the 6th support arm 82b and two the 6th adjutage 83b, two the 6th support arm 82b respectively from the two ends of the 6th body of rod 81b upwards bending extend, two the 6th adjutage 83b extend from the bending of the tail end of the 6th support arm 82b one respectively, the equal bending of tail end of two the 6th adjutage 83b is extended the 6th linking arm 84b, two the 6th linking arm 84b toward each other, 6th body of rod 81b is flush-mounted in the 6th rotation slot 94 rotationally, and two the 6th linking arm 84b to be embedded in rotationally respectively in the 6th corresponding guide runner 48 and to move around along the 6th guide runner 48, 5th rotation slot 93 and the 6th rotation slot 94 are two of spacing side by side setting, and the two ends of the 5th body of rod 71b and the 6th body of rod 81b are embedded in the 5th corresponding rotation slot 93 and the 6th rotation slot 94 respectively.

Embodiment four:

As seen in figs. 15-17, the stereogram of the 4th embodiment of the present invention, exploded view, explosive view and sectional view is respectively.

The concrete structure of the present embodiment is substantially identical with the concrete structure of aforementioned first embodiment, its difference is: in the present embodiment, balancing pole is symmetrically arranged two, i.e. the 7th balancing pole 70c and the 8th balancing pole 80c, 7th balancing pole 70c and the 8th balancing pole 80c is symmetricly set in outside upper cover 60 and base 10, two the 7th rotation slots 15 and two the 8th rotation slots 16 are respectively arranged with outside the relative both sides of base 10, the groove lid 64 for covering the 7th rotation slot 15 and the 8th rotation slot 16 is respectively arranged with the 7th rotation slot 15 and the 8th rotation slot 16 opposite position outside the relative both sides of upper cover, the relative dual-side of button 40 is respectively arranged with two the 7th guide runner 49a and two the 8th guide runner 49b, 7th balancing pole 70c includes the 7th body of rod 71c, two the 7th support arm 72c and two the 7th adjutage 73c, two the 7th support arm 72c respectively from the two ends of the 7th body of rod 71c upwards bending extend, two the 7th adjutage 73c extend from the bending of the tail end of the 7th support arm 72c one respectively, the equal bending of tail end of two the 7th adjutage 73c is extended the 7th linking arm 74c, two the 7th linking arm 74c toward each other, 7th body of rod 71c is flush-mounted in the 7th rotation slot 15 rotationally, and two the 7th linking arm 74c to be embedded in rotationally respectively in the 7th corresponding guide runner 49a and to move around along the 7th guide runner 49a, 8th balancing pole 80c includes the 8th body of rod 81c, two the 8th support arm 82c and two the 8th adjutage 83c, two the 8th support arm 82c respectively from the two ends of the 8th body of rod 81c upwards bending extend, two the 8th adjutage 83c extend from the bending of the tail end of the 8th support arm 82c one respectively, the equal bending of tail end of two the 8th adjutage 83c is extended the 8th linking arm 84c, two the 8th linking arm 84c toward each other, 8th body of rod 81c is flush-mounted in the 8th rotation slot 16 rotationally, and two the 8th linking arm 84c to be embedded in rotationally respectively in the 8th corresponding guide runner 49b and to move around along the 8th guide runner 49b, 7th rotation slot 15 and the 8th rotation slot 16 are two of spacing side by side setting, and the two ends of the 7th body of rod 71c and the 8th body of rod 81c are embedded in the 7th corresponding rotation slot 15 and the 8th rotation slot 16 respectively.

The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims

1. novel keyboard switch, comprises base, static contact, movable contact spring, upper cover, the button contacted with static contact for controlling movable contact spring activity and the back-moving spring for the stressed rear reset of described button; It is characterized in that: described upper cover is fastened on base, described static contact and movable contact spring are all arranged on base, described button one end can be installed on base up and downly, and the other end wears described upper cover, and the two ends up and down of described back-moving spring abut against with button and base respectively; Also comprise at least two for prevent described button from tilting balancing pole, at least four in order to install rotation slot and the guide runner of balancing pole, the number of described guide runner and rotation slot is the twice of balancing pole number, the main body of described balancing pole is flush-mounted in rotation slot respectively rotationally, and the two ends of balancing pole to be embedded in rotationally in corresponding guide runner and to move around along guide runner.

2. novel keyboard switch according to claim 1, it is characterized in that: described balancing pole is symmetrically arranged two, i.e. the first balancing pole and the second balancing pole, described first balancing pole and the second balancing pole are symmetricly set between button and base, the relative both sides of described base are respectively arranged with two the first rotation slots and two the second rotation slots, and the relative dual-side of described button is respectively arranged with two the first guide runners and two the second guide runners; Described first balancing pole includes first body of rod and two the first adjutages, two described first adjutages extend from the one bending of the two ends of first body of rod respectively, the equal bending of tail end of two the first adjutages is extended the first linking arm, two the first linking arms toward each other, described first body of rod is flush-mounted in the first rotation slot rotationally, and two the first linking arms to be embedded in rotationally respectively in the first corresponding guide runner and to move around along the first guide runner; Described first rotation slot is two of spacing side by side setting, and the two ends of first body of rod are embedded in the first corresponding rotation slot respectively; Described second balancing pole includes second body of rod and two the second adjutages, two described second adjutages extend from the one bending of the two ends of second body of rod respectively, the equal bending of tail end of two the second adjutages is extended the second linking arm, two the second linking arms toward each other, described second body of rod is flush-mounted in the second rotation slot rotationally, and two the second linking arms to be embedded in rotationally respectively in the second corresponding guide runner and to move around along the second guide runner; Described second rotation slot is two of spacing side by side setting, and the two ends of second body of rod are embedded in the second corresponding rotation slot respectively.

3. novel keyboard switch according to claim 2, it is characterized in that: in the middle of described first guide runner and the second guide runner, be provided with a location division of stretching out to base direction, on described base, correspondence is provided with a location hole, and described location division is embedded at described location hole.

4. novel keyboard switch according to claim 1, it is characterized in that: described balancing pole is symmetrically arranged two, i.e. the 3rd balancing pole and the 4th balancing pole, described 3rd balancing pole and the 4th balance pole pair claim to be arranged at outside upper cover and button, be respectively arranged with two the 3rd rotation slots and two the 4th rotation slots outside the relative both sides of described upper cover, the relative dual-side of described button is respectively arranged with two the 3rd guide runners and two the 4th guide runners; Described 3rd balancing pole includes the 3rd body of rod and two the 3rd adjutages, two described 3rd adjutages extend from the one bending of the two ends of the 3rd body of rod respectively, the equal bending of tail end of two the 3rd adjutages is extended the 3rd linking arm, two the 3rd linking arms toward each other, described 3rd body of rod is flush-mounted in the 3rd rotation slot rotationally, and two the 3rd linking arms to be embedded in rotationally respectively in the 3rd corresponding guide runner and to move around along the 3rd guide runner; Described 3rd rotation slot is two of spacing side by side setting, and the two ends of the 3rd body of rod are embedded in the 3rd corresponding rotation slot respectively; Described 4th balancing pole includes the 4th body of rod and two the 4th adjutages, two described 4th adjutages extend from the one bending of the two ends of the 4th body of rod respectively, the equal bending of tail end of two the 4th adjutages is extended the 4th linking arm, two the 4th linking arms toward each other, described 4th body of rod is flush-mounted in the 4th rotation slot rotationally, and two the 4th linking arms to be embedded in rotationally respectively in the 4th corresponding guide runner and to move around along the 4th guide runner; Described 4th rotation slot is two of spacing side by side setting, and the two ends of the 4th body of rod are embedded in the 4th corresponding rotation slot respectively.

5. novel keyboard switch according to claim 1, it is characterized in that: also comprise the outer stationary plates be installed on for firm banking below base, described balancing pole is symmetrically arranged two, i.e. the 5th balancing pole and the 6th balancing pole, described 5th balancing pole and the 6th balancing pole are symmetricly set in outside outer stationary plates and button, described outer stationary plates central base installing hole, described installing hole bilateral symmetry is provided with two supporting seats, two described supporting seats are respectively arranged with two the 5th rotation slots and two the 6th rotation slots, the relative dual-side of described button is respectively arranged with two the 5th guide runners and two the 6th guide runners, described 5th balancing pole includes the 5th body of rod and two the 5th adjutages, two described 5th adjutages extend from the one bending of the two ends of the 5th body of rod respectively, the equal bending of tail end of two the 5th adjutages is extended the 5th linking arm, two the 5th linking arms toward each other, described 5th body of rod is flush-mounted in the 5th rotation slot rotationally, and two the 5th linking arms to be embedded in rotationally respectively in the 5th corresponding guide runner and to move around along the 5th guide runner, described 5th rotation slot is two of spacing side by side setting, and the two ends of the 5th body of rod are embedded in the 5th corresponding rotation slot respectively, described 6th balancing pole includes the 6th body of rod and two the 6th adjutages, two described 6th adjutages extend from the one bending of the two ends of the 6th body of rod respectively, the equal bending of tail end of two the 6th adjutages is extended the 6th linking arm, two the 6th linking arms toward each other, described 6th body of rod is flush-mounted in the 6th rotation slot rotationally, and two the 6th linking arms to be embedded in rotationally respectively in the 6th corresponding guide runner and to move around along the 6th guide runner, described 6th rotation slot is two of spacing side by side setting, and the two ends of the 6th body of rod are embedded in the 6th corresponding rotation slot respectively.

6. novel keyboard switch according to claim 1, it is characterized in that: described balancing pole is symmetrically arranged two, i.e. the 7th balancing pole and the 8th balancing pole, described 7th balancing pole and the 8th balancing pole are symmetricly set in upper cover and chassis outer side, two the 7th rotation slots and two the 8th rotation slots are respectively arranged with outside the relative both sides of described base, the groove lid for covering the 7th rotation slot and the 8th rotation slot is respectively arranged with the 7th rotation slot and the 8th rotation slot opposite position outside the relative both sides of described upper cover, the relative dual-side of described button is respectively arranged with two the 7th guide runners and two the 8th guide runners, described 7th balancing pole includes the 7th body of rod and two the 7th adjutages, two described 7th adjutages extend from the one bending of the two ends of the 7th body of rod respectively, the equal bending of tail end of two the 7th adjutages is extended the 7th linking arm, two the 7th linking arms toward each other, described 7th body of rod is flush-mounted in the 7th rotation slot rotationally, and two the 7th linking arms to be embedded in rotationally respectively in the 7th corresponding guide runner and to move around along the 7th guide runner, described 7th rotation slot is two of spacing side by side setting, and the two ends of the 7th body of rod are embedded in the 7th corresponding rotation slot respectively, described 8th balancing pole includes the 8th body of rod and two the 8th adjutages, two described 8th adjutages extend from the one bending of the two ends of the 8th body of rod respectively, the equal bending of tail end of two the 8th adjutages is extended the 8th linking arm, two the 8th linking arms toward each other, described 8th body of rod is flush-mounted in the 8th rotation slot rotationally, and two the 8th linking arms to be embedded in rotationally respectively in the 8th corresponding guide runner and to move around along the 8th guide runner, described 8th rotation slot is two of spacing side by side setting, and the two ends of the 8th body of rod are embedded in the 8th corresponding rotation slot respectively.

7. the novel keyboard switch according to claim 3 or 4 or 5 or 6, it is characterized in that: the two relative side of described upper cover is all arranged at intervals with two buckle teeth, the two relative side of described base corresponds to outwardly formation one projection between two buckle teeth, described buckle teeth can be detained and be located at protruding both sides, and described upper cover and base are fastened each other by buckle teeth and projection.

8. novel keyboard switch according to claim 7, is characterized in that: described upper cover and base fasten formation first container cavity and the second container cavity; Described static contact and movable contact spring are positioned at the first container cavity, and described button and back-moving spring are positioned at the second container cavity; Described first balancing pole and the second balancing pole are positioned at the second container cavity.

9. novel keyboard switch according to claim 8, is characterized in that: described button is provided with guide hole, accordingly, described base is provided with guide posts, and described guide hole to be sheathed on outside guide posts and up and down along guide posts.

10. novel keyboard switch according to claim 9, it is characterized in that: described static contact is provided with fixed contact and the first welding foot, described movable contact spring is provided with moving contact and the second welding foot, described fixed contact and moving contact correspondence are arranged, and described first welding foot and the second welding foot all extend outside the base.