TWM563649U - Novel keyboard switch - Google Patents

Abstract

The invention relates to the field of keyboard switches, and particularly relates to a novel keyboard switch, which solves the problem that the keyboard switch of the prior art is prone to tilting of the keys and the use is not smooth. The new keyboard switch comprises a base, a static contact piece, a movable contact piece, an upper cover, a button and a return spring for re-setting the button after being pressed; the upper cover is fastened to the base, and one end of the button can be mounted on the base up and down and the other end is worn. The upper cover and the base are respectively abutted against the button and the base; and at least two balance bars for preventing the button from tilting, at least four rotating grooves for guiding the balance bar and the guide groove, and the balance bar The main body is rotatably embedded in the rotating slot, and the two ends are rotatably embedded in the corresponding guiding slots and move back and forth along the guiding slot. The new type positions the button through the balance bar, so that the button is not easy to be tilted or keyed during the pressing process, thereby ensuring that the switch is in a process of pressing, the operation is labor-saving, the use is smooth, and the finger pressure feels good.

Description

New keyboard switch

The present invention relates to the field of keyboard switch technology, and in particular to a new type of keyboard switch.

The keyboard switch, as the name implies, is a switch applied and mounted on a keyboard. The main structure of the switch includes a base, an upper cover, a static contact piece, a movable contact piece and a button, and the upper cover and the base are enclosed to form a receiving cavity. The static contact piece, the movable contact piece and the button are disposed in the accommodating cavity, and one end of the button is exposed outside the accommodating cavity, and the button is pressed up and down to move the button up and down, and then the button acts on the movable contact piece to make the movement The contact piece is connected or disconnected from the contact piece to realize the opening and closing of the keyboard.

The traditional keyboard switch is mostly a positioning post protruding downward from the inner edge of the button, and is vertically telescoped at the opening of the base for triggering the circuit contact. The contact position of the button positioning column of the keyboard switch and the base is small, and the button is pressed. In the process of pressing, tilting or carding is easy to occur. On the one hand, the button often has a stuck phenomenon, and the use is not smooth and unstable. On the other hand, the finger touch feeling is not good during operation, and the user's use requirement cannot be met.

In order to solve this problem, the prior art guide bush and the key post extending into the key hole thereof are generally designed to have a large contact surface structure, so that the button can smoothly move in the key hole of the guide bush. However, on the one hand, the button of the button forms a surface contact with the guide bush, and the friction between the button and the guide tube is large during operation, and the operation is laborious; on the other hand, the structure is too singular, and the use is lacking smoothness. And the installation is more complicated miscellaneous.

In order to solve the above problems, the present invention provides a new type of keyboard switch which can prevent the button from being tilted and the key is operated, the operation is labor-saving, the use is smooth, the finger pressure is good, and the installation is simple.

The technical solution adopted by the present invention is: a new type of keyboard switch, comprising a base, a static contact piece, a movable contact piece, an upper cover, a button for controlling the movement of the movable contact piece and contacting the static contact piece, and after the button is pressed a reset spring; the upper cover is fastened to the base, and the static contact piece and the movable contact piece are disposed on the base, and one end of the button is movably mounted on the base on the upper and lower sides, and the other end is disposed on the upper cover. The upper and lower ends of the return spring respectively abut the button and the base; further comprising at least two balance bars for preventing the buttons from tilting, at least four rotating grooves for guiding the balance bar, and a guide slot, The number of the guide chute and the rotating groove is twice the number of the balance bar, and the main body of the balance bar is rotatably embedded in the rotation groove, and both ends of the balance bar are rotatably embedded in the corresponding guide Move back and forth along the guide chute in the chute.

A further improvement of the above technical solution is that the balance bar is two symmetrically disposed, that is, a first balance bar and a second balance bar, and the first balance bar and the second balance bar are symmetrically disposed between the button and the base. Two opposite rotation grooves and two second rotation grooves are respectively disposed on opposite sides of the base, and two opposite guide grooves and two second guide rollers are respectively disposed on opposite sides of the button a first (two) balance bar comprising a first (two) rod body and two first (two) extension arms, the two first (two) extension arms respectively from the first (two) rod The two ends of the body are integrally bent and extended, and the tail ends of the two first (two) extension arms are bent and extended with the first (two) connecting arms, and the two first (two) connecting arms are opposite to each other. The first (two) rod body is rotatably embedded in the first (two) rotation groove, and the two first (two) connecting arms are respectively rotatably embedded in the corresponding first (two) guide chute Along the first (two) guide The chute moves back and forth; the first (two) rotating slots are two disposed side by side, and the two ends of the first (two) are respectively embedded in the corresponding first (two) rotating slots.

A further improvement of the above technical solution is that a positioning portion extending toward the base is disposed in the middle of the first guiding slot and the second guiding slot, and a positioning hole is disposed on the base, and the positioning portion is embedded In the positioning hole.

A further improvement of the above technical solution is that the balance bar is two symmetrically disposed, that is, a third balance bar and a fourth balance bar, and the third balance bar and the fourth balance bar are symmetrically disposed on the outer side of the upper cover and the button. Two third rotating slots and two fourth rotating slots are respectively disposed on opposite outer sides of the upper cover, and two third guiding slots and two fourth guiding slots are respectively disposed on opposite sides of the button The third (four) balance bar includes a third (four) rod body and two third (four) extension arms, and the two third (four) extension arms respectively from the third (four) rod body The two ends are integrally bent and extended, and the tail ends of the two third (four) extension arms are each bent to extend out with a third (four) connecting arm, and the two third (four) connecting arms are opposite to each other. The three (four) rod body is rotatably embedded in the third (four) rotation groove, and the two third (four) connecting arms are rotatably respectively embedded in the corresponding third (four) guide chute and along The third (four) guiding chute moves back and forth; the third (four) rotating trough is two disposed side by side, and the two ends of the third (four) rod are respectively embedded in the corresponding (D) rotation groove.

A further improvement of the above technical solution is that the utility model further comprises an outer fixing plate installed under the base for fixing the base, wherein the balance bar is two symmetrically arranged, that is, a fifth balance bar and a sixth balance bar, the fifth The balance bar and the sixth balance bar are symmetrically disposed on the outer side of the outer fixed plate and the button, and the outer fixed plate has a central base mounting hole, and two mounting seats are symmetrically disposed on the two sides of the mounting hole, and the two support bases are respectively disposed There are two fifth rotating slots and two sixth rotating slots, and the opposite sides of the button are respectively provided with two fifth guiding slots and two sixth guiding slots; the fifth (six) balance The rod includes a fifth (six) shaft, two fifth (six) support arms, and Two fifth (six) extension arms, two fifth (six) support arms respectively extending upward from the ends of the fifth (six) rod body, and two fifth (six) extension arms respectively from the fifth (6) The tail end of the support arm is integrally bent and extended, and the ends of the two fifth (six) extension arms are bent to extend out with a fifth (six) connecting arm, and the two fifth (six) connecting arms are connected to each other. In contrast, the fifth (six) rod body is rotatably fitted in the fifth (six) rotation groove, and the two fifth (six) connection arms are respectively rotatably embedded in the corresponding fifth (six) guide Moving in the chute along the fifth (six) guiding chute; the fifth (six) rotating trough is two disposed side by side, and the two ends of the fifth (six) rod are respectively embedded in the corresponding Five (six) in the groove.

A further improvement of the above technical solution is that the balance bar is two symmetrically disposed, that is, a seventh balance bar and an eighth balance bar, and the seventh balance bar and the eighth balance bar are symmetrically disposed on the outer side of the upper cover and the base. Two opposite rotation grooves and two eighth rotation grooves are respectively disposed on opposite outer sides of the base, and opposite sides of the opposite sides of the upper cover are respectively provided with corresponding positions of the seventh rotation groove and the eighth rotation groove for covering a slot cover of the seven rotation slots and the eighth rotation slot, the opposite sides of the button are respectively provided with two seventh guide slots and two eighth guide slots; the seventh (eight) balance bar includes a seventh (eight) rod, two seventh (eight) support arms and two seventh (eight) extension arms, two seventh (eight) support arms respectively from the ends of the seventh (eight) rod body The bend extends out, and the two seventh (eight) extension arms respectively extend from the tail end of the seventh (eight) support arm, and the tail ends of the two seventh (eight) extension arms are bent and extended. a seventh (eight) connecting arm, two seventh (eight) connecting arms facing each other, the seventh (eight) rod body being rotatably embedded in Seven (eight) rotating slots, and two seventh (eight) connecting arms are respectively rotatably embedded in the corresponding seventh (eight) guiding chute and moving back and forth along the seventh (eight) guiding chute; The seventh (eight) rotation grooves are two disposed side by side, and the two ends of the seventh (eight) rod body are respectively embedded in the corresponding seventh (eight) rotation grooves.

A further improvement of the above technical solution is that two opposite sides of the upper cover are respectively provided with two fastener teeth, and two opposite sides of the base corresponding to the two fastener teeth protrude outward to form a protrusion. The buckle teeth can be fastened on both sides of the protrusion, and the upper cover and the base are fastened to each other by the buckle teeth and the protrusions.

A further improvement of the above technical solution is that the upper cover and the base are fastened to form a first receiving cavity and a second receiving cavity; the static contact piece and the movable contact piece are located in the first receiving cavity, and the button and the resetting spring are located at the Two receiving chambers; the first balance bar and the second balance bar are located in the second receiving cavity.

A further improvement of the above technical solution is that the button is provided with a guiding hole, and correspondingly, the base is provided with a guiding column, and the guiding hole is sleeved outside the guiding column and moves up and down along the guiding column .

A further improvement of the above technical solution is that the static contact piece is provided with a static contact and a first soldering leg, and the movable contact piece is provided with a movable contact and a second soldering leg, the static contact and the movable contact Correspondingly, the first soldering leg and the second soldering leg extend out of the base.

The beneficial effects of the novel are:

1. There are at least two balance bars provided, and the balance bar can be disposed between the button and the base, or externally mounted between the upper cover and the base, or externally mounted between the upper cover and the button, or externally mounted on the external fixed plate and the button. During the pressing, the button is positioned so that the button is not prone to tilt or key during the pressing process, thereby ensuring that the switch is in a process of pressing, the operation is labor-saving, the use is smooth, the finger pressure is good, and the structure is simple, and the installation is simple. Convenience

2. The two balance bars are symmetrically arranged on both sides of the button. When the user presses the button, the balance bar is arranged on both sides of the button, and the force of the pressing force in the oblique direction is offset by the rotation of the balance bar, thereby further preventing the button from tilting. Or card key to ensure the smoothness of use.

3. Both balance rods are mounted on the two sides of the button by two connecting arms, which can be rotated and can be moved back and forth. The two rods can be rotatably mounted on the base or the outer fixing plate or the upper cover, and the two balance bars and buttons The friction between the base, the outer fixing plate and the upper cover is small, and the push switch operation is more labor-saving while avoiding the tilt of the button, thereby further ensuring the smoothness of use.

4. The upper cover is provided with a buckled tooth, and the base correspondingly forms a protrusion, the buckle tooth can be buckled on both sides of the protrusion, and the upper cover and the base are fastened to each other by the buckle teeth and the protrusion, and the two are tightly combined to avoid the button shaking, further Prevent the button from tilting or snapping.

5. The upper cover and the base are fastened to form a first receiving cavity and a second receiving cavity, wherein the button is located in the second receiving cavity, and the first balance bar and the second balance bar are also located in the second receiving cavity, and the contact area between the button and the base Small, the first balance bar and the second balance bar ensure that the button does not tilt, while the button moves up and down with less friction, and the operation is labor-saving.

6. A positioning portion is disposed between the first guiding slot and the second guiding slot of the button, and a positioning hole is disposed on the base, and the positioning portion is embedded in the positioning hole to position the button from both sides to further prevent the button from being pressed. The tilt key is generated when moving up and down to ensure smooth use.

7. The button is provided with a guiding hole. Correspondingly, the guiding column is arranged on the base. The guiding hole is sleeved on the outside of the guiding column and moves up and down along the guiding column, and the guiding hole is sleeved on the outside of the guiding column. The button is positioned from the center to ensure the axial movement of the button, further preventing the tilt or key from being moved up and down to ensure smooth use.

100‧‧‧Keyboard switch

10‧‧‧Base

11‧‧‧First rotating slot

12‧‧‧Second rotation slot

13‧‧‧ bumps

14‧‧‧Positioning holes

15‧‧‧First accommodation chamber

16‧‧‧Second receiving chamber

17‧‧‧ Guide column

19‧‧‧ seventh rotation slot

19‧‧‧ eighth rotation slot

20‧‧‧ Static contact

21‧‧‧ Static contact

22‧‧‧First welding feet

30‧‧‧moving

31‧‧‧ moving contacts

32‧‧‧Second welding feet

40‧‧‧ button

41‧‧‧First guide chute

42‧‧‧Second guide chute

43‧‧‧ Positioning Department

44‧‧‧ Guide hole

45‧‧‧3rd guide chute

46‧‧‧fourth guide chute

47‧‧‧5th guide chute

48‧‧‧6th guide chute

49a‧‧‧ seventh guide chute

49b‧‧‧8th guide chute

50‧‧‧Return spring

60‧‧‧Upper cover

61‧‧‧Knife

62‧‧‧third rotation slot

63‧‧‧fourth rotation slot

64‧‧‧Slot cover

70‧‧‧First balance bar

71‧‧‧First body

72‧‧‧First extension arm

73‧‧‧First connecting arm

70a‧‧‧third balance bar

71a‧‧‧third body

72a‧‧‧3rd extension arm

73a‧‧‧ third connecting arm

70b‧‧‧ fifth balance bar

71b‧‧‧Fixed body

72b‧‧‧ fifth support arm

73b‧‧‧5th extension arm

74b‧‧‧ fifth connecting arm

70c‧‧‧ seventh balance bar

71c‧‧‧ seventh pole

72c‧‧‧ seventh support arm

73c‧‧‧ seventh extension arm

74c‧‧‧ seventh connecting arm

80‧‧‧Second balance bar

81‧‧‧Second body

82‧‧‧Second extension arm

83‧‧‧second connecting arm

80a‧‧‧fourth balance bar

81a‧‧‧Fourth body

82a‧‧‧4th extension arm

83a‧‧‧fourth connecting arm

80b‧‧‧ sixth balance bar

81b‧‧‧6th body

82b‧‧‧ sixth support arm

83b‧‧‧6th extension arm

84b‧‧‧ sixth connecting arm

80c‧‧‧eightth balance bar

81c‧‧‧eighth body

82c‧‧‧eight support arm

83c‧‧‧8th extension arm

84c‧‧‧8th connecting arm

90‧‧‧ External fixing plate

91‧‧‧Installation holes

92‧‧‧ support

93‧‧‧ fifth rotation slot

94‧‧‧ sixth rotation slot

Fig. 1 is a perspective view showing a first embodiment of the present invention.

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

Figure 3 is an exploded view of the first embodiment of the present invention.

Figure 4 is a cross-sectional view showing the first embodiment of the present invention.

Figure 5 is a schematic view showing the structure of the base of the present invention.

Figure 6 is a schematic view showing the structure of the new type of button.

Figure 7 is a perspective view of a second embodiment of the present invention.

Figure 8 is an exploded view of the second embodiment of the present invention.

Figure 9 is an exploded view of the second embodiment of the present invention.

Figure 10 is a cross-sectional view showing a second embodiment of the present invention.

Figure 11 is a perspective view of a third embodiment of the present invention.

Figure 12 is an exploded view of a third embodiment of the present invention.

Figure 13 is an exploded view of the third embodiment of the present invention.

Figure 14 is a cross-sectional view showing a third embodiment of the present invention.

Figure 15 is a perspective view of a fourth embodiment of the present invention.

Figure 16 is an exploded view of the fourth embodiment of the present invention.

Figure 17 is a cross-sectional view showing a fourth embodiment of the present invention.

The present invention will be further described below with reference to the accompanying drawings.

Embodiment 1 : As shown in FIGS. 1 to 4, respectively, a perspective view, an exploded view, an exploded view, and a cross-sectional view of the first embodiment of the present invention. The new keyboard switch 100 includes a base 10, a static contact piece 20, a movable contact piece 30, an upper cover 60, a button 40 for controlling the movement of the movable contact piece 30 to be in contact with the static contact piece 20, and a reset for the button 40 after being pressed. Reset spring 50.

The upper cover 60 is fastened to the base 10, and the static contact piece 20 and the movable contact piece 30 are all disposed on the base 10. One end of the button 40 can be mounted on the bottom up and down. The upper end of the seat 10 is provided with an upper cover 60. The upper and lower ends of the return spring 50 abut against the button 40 and the base 10, respectively.

The static contact piece 20 is provided with a static contact 21 and a first soldering leg 22, and the movable contact piece 30 is provided with a movable contact 31 and a second soldering leg 32. The static contact 21 and the movable contact 31 are correspondingly arranged, first Both the soldering foot 22 and the second soldering leg 32 extend out of the base 10. As shown in Figures 5-6, the structure of the base and the keys of the first embodiment of the present invention are respectively shown. A first balance bar 70 and a second balance bar 80 for preventing the tilt of the button 40 are symmetrically disposed between the base 10 and the button 40. The first rotating slot 11 and the second rotating slot 12 are disposed on both sides of the base 10, and the button 40 is Two opposite guide grooves 41 and two second guide grooves 42 are respectively disposed on the opposite sides; the first balance bar 70 and the second balance bar 80 are rotatably fitted in the first rotation groove 11 and the first The two rotating slots 12 are rotatably embedded in the corresponding first guiding slot 41 and the second guiding slot 42 and move back and forth along the first guiding slot 41 and the second guiding slot 42. A first balance bar 70 and a second balance bar 80 for preventing the tilt of the button 41 are symmetrically disposed between the base 10 and the button 40, and the button 40 is positioned by the two balance bars so that the button 40 is not pressed during the pressing process. Tilting or snapping is prone to occur, thereby ensuring that the switch 100 is labor-saving, smooth to use, and good in finger touch during the pressing process.

The first balance bar 70 and the second balance bar 80 are symmetrically disposed on both sides of the button 40. When the user tilts and presses the button 40, since the balance bar is provided on both sides of the button 40, the pressing force of the balance bar offsets the pressing force in the oblique direction. The force component further prevents the button 40 from tilting or snapping, ensuring smoothness of use.

The first balance bar 70 includes a first rod body 71 and two first extension arms 72. The two first extension arms 72 are integrally bent and extended from the two ends of the first rod body 71, and the two first extension arms are respectively extended. The rear end of each of the 72 ends is bent to have a first connecting arm 73, and the two first connecting arms 73 are opposite to each other, and the first rod 71 can be rotated. The first first connecting arm 73 is rotatably embedded in the corresponding first guiding slot 41 and moves back and forth along the first guiding slot 41. The second balance bar 80 includes a second rod body 81 and two second extension arms 82. The two second extension arms 82 are integrally bent and extended from the two ends of the second rod body 81, and the two second extension arms are respectively extended. The rear end of the 82 is bent to extend out of the second connecting arm 83, the two second connecting arms 83 are opposite to each other, the second rod 81 is rotatably fitted in the second rotating slot 12, and the two second connections are The arms 83 are rotatably embedded in the corresponding second guide slots 42 and move back and forth along the second guide slots 42.

The first balance bar 70 and the second balance bar 80 are both rotatably movable by the first connecting arm 73 and the second connecting arm 83 and are movable back and forth on both sides of the button 40, passing through the first rod 71 and the second rod 81. Rotatablely mounted on the base 10, the friction between the first balance bar 70 and the second balance 80 and the button 40 and the base 10 is small, and the operation of the push switch 100 is more labor-saving while further avoiding the tilt of the button 40, further ensuring Smoothness of use.

The first rotating slot 11 and the second rotating slot 12 are both disposed side by side, and the two ends of the first lever 71 and the second lever 81 are respectively embedded in the corresponding first rotating slot 11 and second rotating slot 12 in. The two opposite sides of the upper cover 60 are respectively disposed with two fastener teeth 61. The opposite sides of the base 10 correspond to the fastener teeth 61 protruding outwardly between the two fastening teeth 61 to form a protrusion 13 and can be buckled on the protrusion 13 On both sides, the upper cover 60 and the base 10 are fastened by the fastening teeth 61 and the protrusions 13, and the two are tightly combined to prevent the button 40 from shaking, thereby further preventing the button 40 from being tilted or buckled.

The upper cover 60 and the base 10 are fastened to form a first receiving cavity 15 and a second receiving cavity 16. The static contact piece 20 and the movable contact piece 30 are located in the first receiving cavity 15, and the button 40 and the return spring 50 are located in the second receiving cavity 16, A balance bar 70 and a second balance bar 80 are located in the second receiving cavity 16. Button 40 and base 10 The contact area between the two is small, and the first balance bar 70 and the second balance bar 80 ensure that the button 40 does not tilt, and the friction force is small when the button 40 moves up and down, and the operation is labor-saving.

A positioning portion 43 extending toward the base 10 is disposed between the first guide slot 41 and the second guide slot 42 of the button 40. The base 10 is correspondingly provided with a positioning hole 14 through which the positioning portion 43 is embedded in the positioning hole. 14. Positioning the button 40 from both sides further prevents the tilting of the button 40 when the button 40 moves up and down, ensuring smoothness of use.

The button 40 is provided with a guiding hole 44. Correspondingly, the base 10 is provided with a guiding post 17 which is sleeved on the outside of the guiding post 17 and moves up and down along the guiding post 17, by guiding the guiding hole 44 The button 40 is disposed outside the guiding column 17, and the button 40 is positioned from the center to ensure the axial movement of the button 40, thereby further preventing the button 40 from tilting or snapping when moving up and down, thereby ensuring smoothness of use.

The working principle of the present invention is as follows: First, the static contact piece 20 and the movable contact piece 30 are mounted on the base 10 such that the first welding leg 22 of the static contact piece 20 and the second welding leg of the movable contact piece 30 32 is extended downwardly from the base 10; secondly, the return spring 50 abuts under the guiding hole 44 of the button 40, and the guiding hole 44 can be moved up and down outside the guiding column 17, and the return spring 50 is also set The lower end of the return spring 50 is embedded in the base 10, and the positioning portion 43 of the button 40 is also movably embedded in the positioning hole 14 of the base 10, so that one end of the button 40 can be moved up and down on the base 10; Then, the first connecting arm 73 and the second connecting arm 83 of the first balance bar 70 and the second balance bar 80 are rotatably embedded in the corresponding first guiding slot 41 and the second guiding slot 42, respectively. The first rod body 71 and the second rod body 81 are rotatably fitted in the first rotation groove 11 and the second rotation groove 12; finally, the upper cover 60 is put on, so that the buckle teeth 61 are engaged with the protrusions 13, and the upper cover The 60 is mounted and fixed to the base 10, and the other end of the button 40 is passed through the upper cover 60.

The principle of preventing the button 40 from tilting is: in the original state, the button 40 is pressed against the movable contact piece 30 so that the movable contact 31 of the movable contact piece 30 and the static contact 21 on the static contact piece 20 are kept separated, and the circuit at this time is disconnected. status.

When the force acts on the button 40, the button 40 is moved from the top to the bottom, and the pressure is released from the movable contact piece 30. The movable contact piece 30 is opened by the self-elastic force to make the movable contact 31 and the movable contact 31 The static contact 21 contacts, thereby turning on the circuit; the first balance bar 70 and the second balance bar 80 are rotated by the button 40, the first rod 71 and the second rod 81 are rotated, and the first connecting arm 73 is rotated. And moving to the right, the second connecting arm 83 rotates and moves to the left.

When the force disappears, the button 40 is automatically re-energized under the action of the resetting spring 50, so that the button 40 presses the movable contact 30 again, and the movable contact 31 and the stationary contact 21 are separated again to open the circuit, the first rod The body 71 and the second rod 81 rotate in opposite directions, the first connecting arm 73 also rotates in the reverse direction and moves to the left to reset, and the second connecting arm 83 also rotates in the reverse direction and moves to the right to reset.

During the downward movement of the button 40, the button 40 is positioned by the two balance bars, so that the button 40 is less prone to tilting or snapping during the pressing process, thereby ensuring that the switch 100 is operated during the pressing process. Use smooth and finger pressure feel good. At the same time, the guide hole 44 is sleeved on the outer side of the guide post 17, and the button 40 is positioned from the center, and the positioning portion 43 is embedded in the positioning hole 14 to position the button 40 from both sides to ensure the axial movement of the button 40. Further, the tilting or the keying of the button 40 when the button 40 is moved up and down is further prevented, and the smoothness of use is ensured.

In this embodiment, the balance bar of the new keyboard switch 100 is set to two. In other embodiments, the balance bar may be greater than two.

Embodiment 2: A perspective view, an exploded view, an exploded view, and a cross-sectional view of a second embodiment of the present invention, as shown in FIGS. 7 to 10, respectively.

The specific structure of this embodiment is basically the same as the specific structure of the foregoing first embodiment, except that in the embodiment, the balance bars are two symmetrically arranged, that is, the third balance bar 70a and the fourth balance bar. 80a, the third balance bar 70a and the fourth balance bar 80a are symmetrically disposed on the outer side of the upper cover 60 and the button 40. The opposite sides of the upper cover 60 are respectively provided with two third rotation grooves 62 and two fourth rotation grooves 63, and the button 40 Two opposite guide grooves 45 and two fourth guide grooves 46 are respectively disposed on opposite sides of the two sides; the third balance bar 70a includes a third rod 71a and two third extension arms 72a, two The three extension arms 72a are integrally bent and extended from the two ends of the third rod 71a, and the tail ends of the two third extension arms 72a are each bent to extend out with a third connecting arm 73a, and the two third connecting arms 73a are mutually In contrast, the third rod body 71a is rotatably fitted in the third rotation groove 62, and the two third connection arms 73a are rotatably respectively embedded in the corresponding third guide grooves 45 and along the third guide groove 45 moves back and forth; the fourth balance bar 80a includes a fourth rod 81a and two fourth extension arms 82a, two The fourth extending arms 82a are integrally bent and extended from the two ends of the fourth rod body 81a, and the tail ends of the two fourth extending arms 82a are bent and extended to have a fourth connecting arm 83a and two fourth connecting arms. 83a are opposite to each other, the fourth rod 81a is rotatably fitted in the fourth rotation groove 63, and the two fourth connecting arms 83a are rotatably respectively embedded in the corresponding fourth guide grooves 46 and along the fourth guide The sliding groove 46 moves back and forth; the third rotating groove 62 and the fourth rotating groove 63 are both disposed side by side, and the two ends of the third rod 71a and the fourth rod 81a are respectively embedded in the corresponding third rotating grooves 62. And in the fourth rotation groove 63.

Embodiment 3: As shown in the figures 11 to 14, the perspective view, the exploded view, the exploded view and the cross-sectional view of the third embodiment of the present invention are respectively shown.

The specific structure of the first embodiment is substantially the same as the specific structure of the first embodiment. The difference is that, in this embodiment, the outer fixing plate 90 is mounted on the bottom of the base for fixing the base, and the balance bar is symmetrical. The two disposed, that is, the fifth balance bar 70b and the sixth balance bar 80b, the fifth balance bar 70b and the sixth balance bar 80b are symmetrically disposed on the outer side of the outer fixed plate 90 and the button 40, and the outer fixed plate 90 central base mounting hole 91 Two mounting seats 92 are symmetrically disposed on the two sides of the mounting hole 91. The two supporting seats 92 are respectively provided with two fifth rotating slots 93 and two sixth rotating slots 94. The opposite sides of the button 40 are respectively disposed. Two fifth guide grooves 47 and two sixth guide grooves 48; the fifth balance bar 70b includes a fifth rod 71b, two fifth support arms 72b and two fifth extension arms 73b, two The five supporting arms 72b are respectively bent upwardly from the two ends of the fifth rod 71b, and the two fifth extending arms 73b are respectively integrally extended from the tail end of the fifth supporting arm 72b, and the two fifth extending arms 73b The tail ends are each bent to extend out with a fifth connecting arm 74b, and the two fifth connecting arms 74b are mutually The fifth rod 71b is rotatably fitted in the fifth rotation groove 93, and the two fifth connecting arms 74b are rotatably embedded in the corresponding fifth guide grooves 47 and along the fifth guide groove. 47 moves back and forth; the sixth balance bar 80b includes a sixth rod body 81b, two sixth support arms 82b, and two sixth extension arms 83b, respectively, from the two ends of the sixth rod body 81b. Extending upwardly, the two sixth extending arms 83b are integrally bent away from the tail end of the sixth supporting arm 82b, and the tail ends of the two sixth extending arms 83b are each bent and extended with the sixth connecting arm 84b. The two sixth connecting arms 84b are opposite to each other, the sixth rod body 81b is rotatably fitted in the sixth rotating groove 94, and the two sixth connecting arms 84b are rotatably embedded in the corresponding sixth guiding grooves, respectively. 48 and move back and forth along the sixth guide chute 48; The fifth rotation groove 93 and the sixth rotation groove 94 are both disposed side by side, and both ends of the fifth rod body 71b and the sixth rod body 81b are respectively fitted to the corresponding fifth rotation groove 93 and sixth rotation groove 94. in.

Embodiment 4: As shown in Figs. 15 to 17, the perspective view, the exploded view, the exploded view and the cross-sectional view of the fourth embodiment of the present invention, respectively.

The specific structure of this embodiment is basically the same as the specific structure of the foregoing first embodiment, except that in the embodiment, the balance bar is symmetrically disposed, that is, the seventh balance bar 70c and the eighth balance bar. 80c, the seventh balance bar 70c and the eighth balance bar 80c are symmetrically disposed on the outer side of the upper cover 60 and the base 10. The outer sides of the opposite sides of the base 10 are respectively provided with two seventh rotation grooves 18 and two eighth rotation grooves 19, and the upper cover 60 A groove cover 64 for covering the seventh rotation groove 18 and the eighth rotation groove 19 is respectively disposed at a position corresponding to the seventh rotation groove 18 and the eighth rotation groove 19 on the outer side of the opposite sides, and opposite sides of the button 40 are respectively disposed Two seventh guide slots 49a and two eighth guide slots 49b; the seventh balance bar 70c includes a seventh rod 71c, two seventh support arms 72c and two seventh extension arms 73c, two The seven supporting arms 72c are respectively bent upwardly from the two ends of the seventh rod body 71c, and the two seventh extending arms 73c are integrally bent and extended from the tail end of the seventh supporting arm 72c, respectively, and the two seventh extending arms 73c The tail ends are each bent to extend out with a seventh connecting arm 74c, and the two seventh connecting arms 7 4c are opposite to each other, the seventh rod body 71c is rotatably fitted in the seventh rotation groove 18, and the two seventh connection arms 74c are rotatably respectively embedded in the corresponding seventh guide grooves 49a and along the seventh guide The chute 49a moves back and forth; the eighth balance bar 80c includes an eighth rod body 81c, two eighth support arms 82c and two eighth extension arms 83c, and the two eighth support arms 82c are respectively from the eighth rod body 81c. The two ends are bent upward and extended, and the two eighth extending arms 83c are respectively from the eighth supporting arm 82c. The end end integrally bends and extends, the end ends of the two eighth extending arms 83c are bent and extended to have an eighth connecting arm 84c, the two eighth connecting arms 84c are opposite to each other, and the eighth rod body 81c is rotatably fitted In the eighth rotating slot 19, and the two eighth connecting arms 84c are respectively rotatably embedded in the corresponding eighth guiding slot 49b and moved back and forth along the eighth guiding slot 49b; the seventh rotating slot 18 and the eighth The rotation grooves 19 are two disposed side by side, and both ends of the seventh rod body 71c and the eighth rod body 81c are respectively fitted in the corresponding seventh rotation groove 18 and the eighth rotation groove 19.

The above-mentioned embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the present invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of protection of the novel patent is subject to the appended claims.

Claims (10)

A novel keyboard switch comprises a base, a static contact piece, a movable contact piece, an upper cover, a button for controlling the movement of the movable contact piece to contact with the static contact piece, and a return spring for re-setting the force after the button is pressed; The upper cover is fastened to the base, and the static contact piece and the movable contact piece are disposed on the base, and one end of the button is movably mounted on the base, and the other end is inserted through the upper cover, the return spring And the upper and lower ends respectively abut the button and the base; further comprising at least two balance bars for preventing the buttons from tilting, at least four rotating grooves for guiding the balance bar, and a guide slot, the guide slot and The number of the rotating grooves is twice the number of the balance bars, and the main body of the balance bar is rotatably embedded in the rotation groove, and both ends of the balance bar are rotatably embedded in the corresponding guide grooves and Move back and forth along the guide chute. The novel keyboard switch according to claim 1, characterized in that the balance bar is two symmetrically arranged, that is, a first balance bar and a second balance bar, and the first balance bar and the second balance bar are symmetrically arranged. Between the button and the base, two opposite rotation grooves and two second rotation grooves are respectively disposed on opposite sides of the base, and two opposite guide grooves are respectively disposed on opposite sides of the button Two second guide grooves; the first and second balance bars include first and second rods and two first and second extension arms, and the two first (two) extension arms are respectively from the first ( b) Both ends of the rod body are integrally bent and extended, and the tail ends of the two first (two) extension arms are bent to extend out with the first (two) connecting arms, and the two first (two) connecting arms are opposite to each other The first (two) connecting rod is rotatably embedded in the first (two) rotating groove, and the two first (two) connecting arms are respectively rotatably embedded in the corresponding first (two) guiding slide Moving in the slot along the first (two) guide chute; the first (two) rotating slots are two arranged side by side, and the two ends of the first (two) are respectively embedded in the pair The first (two) should be rotated in the groove. The novel keyboard switch according to claim 2, wherein a positioning portion extending toward the base is disposed between the first guide slot and the second guide slot. A positioning hole is disposed on the base, and the positioning portion is embedded in the positioning hole. The novel keyboard switch according to claim 1, characterized in that the balance bar is two symmetrically arranged, that is, a third balance bar and a fourth balance bar, and the third balance bar and the fourth balance bar are symmetrically arranged. On the outer side of the upper cover and the button, two outer sides of the opposite sides of the upper cover are respectively provided with two third rotating grooves and two fourth rotating grooves, and two opposite guiding sides of the buttons are respectively provided with two third guiding grooves and two a fourth guide rail; the third (four) balance bar includes a third (four) rod body and two third (four) extension arms, and the two third (four) extension arms respectively The three ends of the three (four) rod body are integrally bent and extended, and the tail ends of the two third (four) extension arms are bent to extend out with a third (four) connecting arm and two third (four) connecting arms. Opposite each other, the third (four) rod body is rotatably fitted in the third (four) rotation groove, and the two third (four) connection arms are rotatably embedded in the corresponding third (four) The guide chute moves along the third (four) guide chute; the third (four) rotary groove is two disposed side by side, and the two ends of the third (four) rod are respectively Embedded in the corresponding third (four) rotation groove. The novel keyboard switch according to claim 1, further comprising: an outer fixing plate installed under the base for fixing the base, wherein the balance bar is symmetrically disposed, that is, the fifth balance bar and the sixth balance a rod, the fifth balance rod and the sixth balance rod are symmetrically disposed on the outer side of the outer fixing plate and the button, the outer fixing plate has a central base mounting hole, and the mounting hole has two supporting seats symmetrically on both sides, two Two fifth rotating slots and two sixth rotating slots are respectively disposed on the support base, and two opposite guiding slots and two sixth guiding slots are respectively disposed on opposite side edges of the button; The fifth (six) balance bar includes a fifth (six) rod body, two fifth (six) support arms and two fifth (six) extension arms, and two fifth (six) support arms respectively from the fifth (6) Both ends of the rod body are bent upward and extended, and the two fifth (six) extension arms are respectively bent and extended from the tail end of the fifth (six) support arm, and the two fifth (six) extension arms are respectively extended. of The tail ends are each bent to have a fifth (six) connecting arm, and the two fifth (six) connecting arms are opposite to each other, and the fifth (six) rod body is rotatably fitted in the fifth (six) rotating groove Middle, and two fifth (six) connecting arms are respectively rotatably embedded in the corresponding fifth (six) guiding chute and moving back and forth along the fifth (six) guiding chute; the fifth (six) rotation The slots are two disposed side by side, and the two ends of the fifth (six) rod body are respectively embedded in the corresponding fifth (six) rotation slots. The novel keyboard switch according to claim 1, characterized in that the balance bar is two symmetrically arranged, that is, a seventh balance bar and an eighth balance bar, and the seventh balance bar and the eighth balance bar are symmetrically arranged. On the outer side of the upper cover and the base, two opposite outer sides of the base are respectively provided with two seventh rotation grooves and two eighth rotation grooves, and the outer sides of the opposite sides of the upper cover correspond to the seventh rotation groove and the eighth rotation groove. a slot cover for covering the seventh rotating slot and the eighth rotating slot, respectively, wherein the opposite sides of the button are respectively provided with two seventh guiding slots and two eighth guiding slots; VIII) The balance bar comprises a seventh (eight) shank, two seventh (eight) support arms and two seventh (eight) extension arms, and two seventh (eight) support arms respectively from the seventh (eight) The two ends of the rod body are bent upward and extended, and the two seventh (eight) extension arms are respectively integrally extended from the tail end of the seventh (eight) support arm, and the tail ends of the two seventh (eight) extension arms are respectively extended. Each of the seven-eighth-eight connecting arms is opposite to each other, and the seventh (eight) connecting body is opposite to each other. Rotatingly embedded in the seventh (eight) rotation groove, and two seventh (eight) connection arms are respectively rotatably embedded in the corresponding seventh (eight) guide chute and sliding along the seventh (eight) guide The slot moves back and forth; the seventh (eight) rotation slots are two disposed side by side, and the two ends of the seventh (eight) rod body are respectively embedded in the corresponding seventh (eight) rotation slots. The novel keyboard switch according to claim 3, 4, 5 or 6, wherein the two opposite sides of the upper cover are respectively provided with two fastener teeth, and the opposite sides of the base correspond to two fastener teeth. Forming a protrusion between the outward protrusions, the buckle can buckle The upper cover and the base are fastened to each other by the buckle teeth and the protrusions. The new type of keyboard switch according to claim 7, wherein the upper cover and the base are fastened to form a first receiving cavity and a second receiving cavity; the static contact piece and the movable contact piece are located in the first receiving cavity, The button and the reset spring are located in the second receiving cavity; the first balance bar and the second balance bar are located in the second receiving cavity. The new type of keyboard switch according to claim 8 is characterized in that: the button is provided with a guiding hole, and correspondingly, the base is provided with a guiding column, and the guiding hole is sleeved outside the guiding column and Move up and down along the guide post. The novel keyboard switch according to claim 9 is characterized in that: the static contact piece is provided with a static contact and a first soldering leg, and the movable contact piece is provided with a movable contact and a second soldering leg, the static The contact and the movable contact are correspondingly disposed, and the first welding leg and the second welding leg both protrude outside the base.