CN204130407U - Ultra-Slim Keyboard Switches - Google Patents

Abstract

The utility model discloses an ultra-thin keyboard switch, which comprises a seat body, a static contact piece, a support piece, a movable contact piece, a lower frame, an upper frame and a keycap; the static contact piece and the supporting piece are separately arranged on the seat body, the static contact piece is provided with a first welding pin and a static contact, the supporting piece is provided with a second welding pin, and the second welding pin and the first welding pin both extend out of the seat body; one end of the movable contact piece is electrically connected with the support piece in a contact manner, and the other end of the movable contact piece is provided with a movable contact which is positioned above the fixed contact; through utilizing upper ledge and lower frame to intersect each other and can fold the ground pin joint together to cooperate the upper ledge to constitute X type structure with the lower frame and drive the movable contact spring activity, replaced the form that adopts the guide pillar of tradition, make the whole thickness attenuate of product, and, no matter the finger acts on any position of key cap, upper ledge and lower frame all can realize the linkage and drive the movable contact spring activity, realize stably pushing down, make the conducting connection of static contact and movable contact more sensitive, the product is used more conveniently.

Description

Ultra-Slim Keyboard Switches

technical field

The utility model relates to the technology in the field of keyboard switches, in particular to an ultra-thin keyboard switch. the

Background technique

Keyboard switch, as the name implies, is a switch applied and installed on the keyboard. The main structure of this switch includes a base, an upper cover, a static contact, a moving contact and a button. The upper cover and the base are enclosed to form a The accommodating cavity, the static contact piece, the moving contact piece and the button piece are arranged in the accommodating cavity, and one end of the button piece is exposed outside the accommodating cavity, by pressing and manipulating the button piece, the button piece moves up and down, and then through the button The component acts on the moving contact piece, so that the moving contact piece is connected or disconnected from the static contact piece. the

Although the above-mentioned existing keyboard switch structure can provide the user with the effect of disconnecting or connecting the connection between the static contact piece and the moving contact piece, it is indeed progressive, but in actual use, it is found that its own structure and use There are still many deficiencies in performance, which cause the existing keyboard switches to fail to achieve the best use effect and work efficiency in practical applications. The shortcomings are summarized as follows: 

The button part of the switch of the existing keyboard is in the form of a guide post, which makes the entire product thicker, and the button part is installed at the bottom center of the keycap. When the finger only acts on one side edge of the keycap, the button part cannot be smoothly lowered. Pressure, and then it is impossible to realize the conduction between the static contact piece and the moving contact piece, which is inconvenient to use.

Utility model content

In view of this, the utility model aims at the shortcomings of the prior art, and its main purpose is to provide an ultra-thin keyboard switch, which can effectively solve the problems of the existing keyboard switches being thick and inconvenient to use. the

In order to achieve the above object, the utility model adopts the following technical solutions:

An ultra-thin keyboard switch, including a base body, a static contact piece, a support piece, a moving contact piece, a lower frame, an upper frame and a keycap; the static contact piece and the support piece are separately arranged on the base body, and the static touch piece The sheet has a first welding leg and a static contact, the supporting sheet has a second welding leg, and both the second welding leg and the first welding leg extend out of the body of the seat; one end of the moving contact piece is kept in contact with the supporting sheet, and the moving contact piece is electrically connected to the supporting piece. The other end of the contact piece has a movable contact, which is located above the static contact; the upper frame and the lower frame intersect each other and are foldable and pivotally connected together, and the lower ends of the upper frame and the lower frame are respectively connected to the The two ends of the seat body are pivotally connected, and the upper end of the upper frame and the upper end of the lower frame are respectively pivotally connected with the bottom ends of the keycap. The upper frame and the lower frame form an X-shaped structure to drive the movable contact piece to move. When the upper frame and the lower frame When in the folded state, the movable contact is electrically connected to the static contact, and the movable contact piece is provided with an elastic member that promotes the reset of the movable contact piece so that the movable contact is separated from the static contact.

As a preferred solution, both the lower frame and the upper frame are U-shaped, the lower frame includes a first cross bar and two first connecting rods, both ends of the first cross bar extend outwards with first Pivot shaft, the first pivot shaft is pivotally connected to the keycap, the two first connecting rods are parallel to each other and integrally connected with the two ends of the first cross bar, and the inner sides of the tail ends of the two first connecting rods extend out The second pivot shaft, the second pivot shaft is pivotally connected with the seat; the upper frame includes a second cross bar and two second connecting rods, both ends of the second cross bar extend outwards with a third pivot The third pivot shaft is pivotally connected to the keycap. The two second connecting rods are parallel to each other and integrally connected with the two ends of the second cross bar respectively. The inner sides of the tail ends of the two second connecting rods extend out the first Four pivotal shafts, the fourth pivotal shaft is pivotally connected to the seat body, and the two second connecting rods are respectively located inside the two first connecting rods, and the middle parts of the two second connecting rods are respectively corresponding to the inner sides of the two first connecting rods. Middle hinged. the

As a preferred solution, a first embedding groove is recessed on the tail end surface of the first connecting rod, and a second embedding groove is recessed on the inside of the front end of the first connecting rod. In the stacked state, the second connecting rod The first half of the connecting rod is embedded in the first embedding groove, and the second half of the second connecting rod is embedded in the second embedding groove. the

As a preferred solution, a sixth pivot shaft extends outward from the outer side of the middle part of the second connecting rod, and correspondingly the first connecting rod is provided with a pivot hole, and the sixth pivot shaft is inserted into the pivot hole Central connection. the

As a preferred solution, a first pivotal groove and a second pivotal groove are recessed on the seat body, and the second pivotal shaft and the fourth pivotal shaft are correspondingly engaged in the first pivotal groove and the second pivotal groove respectively. In the two pivotal grooves, and the base is provided with an upper cover, the upper cover respectively restricts the second pivotal shaft and the fourth pivotal shaft in the first pivotal groove and the second pivotal groove, the movable The contacts are located under the upper cover. the

As a preferred solution, the bottom of the keycap is provided with a third pivotal slot and a fourth pivotal slot, and the first pivotal shaft and the third pivotal shaft are correspondingly buckled in the third pivotal slot and the fourth pivotal slot respectively. Four pivot joint slots for central joint. the

As a preferred solution, the elastic member is an extension spring, one end of the extension spring is hooked to the upper frame, and the other end of the extension spring is hooked to the movable contact piece. the

As a preferred solution, the elastic member is an elastic piece, which is integrally formed on the touch piece, and the touch piece is installed and connected with the lower frame. the

As a preferred solution, the seat body is embedded in the X-shaped structure. the

As a preferred solution, the base is located below the X-shaped structure. the

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

By using the upper frame and the lower frame to intersect with each other and pivoting together in a superimposed manner, and cooperate with the upper frame and the lower frame to form an X-shaped structure to drive the movable contact piece to move, replacing the traditional form of using a guide column, so that the product's The overall thickness is thinner, and no matter where the finger acts on the keycap, the upper frame and the lower frame can realize linkage to drive the movement of the moving contact piece, realize stable downward pressure, and make the conductive connection between the static contact piece and the moving contact piece It is more sensitive and the product is more convenient to use.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. the

Description of drawings

Fig. 1 is the assembled three-dimensional schematic diagram of the first preferred embodiment of the present utility model;

Fig. 2 is the exploded view of the first preferred embodiment of the utility model;

Fig. 3 is an exploded view of another angle of the first preferred embodiment of the present utility model;

Fig. 4 is another perspective exploded view of the first preferred embodiment of the present utility model;

Fig. 5 is a partial assembly view of the first preferred embodiment of the present utility model;

Fig. 6 is a schematic diagram of the state in which the upper frame and the lower frame are opened in Fig. 5;

Fig. 7 is a schematic diagram of the use state of the first preferred embodiment of the utility model;

Figure 8 is an enlarged schematic view of the upper frame and the lower frame in the first preferred embodiment of the present invention;

Fig. 9 is a sectional view of the first preferred embodiment of the utility model;

Fig. 10 is a partial assembly perspective view of the second preferred embodiment of the present invention;

Fig. 11 is a perspective view of partial assembly of the third preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. PCB board 11. LED lights

20. Seat body 21. Gap

22. Concave 23. First pivot slot

24. The second pivot slot 25. Buckle

30. Static contact piece 31. The first welding leg

32. Static contact 40. Support sheet

41. The second welding foot 42. Positioning part

50. Moving contact 51. Moving contact

52. Second hanging hole 60. Lower frame

61. The first crossbar 62. The first connecting rod

63. The first pivot shaft 64. The second pivot shaft

65. Pivot hole 601. First embedding slot

602. Second embedding slot 70. Upper frame

71. The second crossbar 72. The second connecting rod

73. The third pivot shaft 74. The fourth pivot shaft

75. The sixth pivot shaft 701. The first hanging hole

80. Keycap 81. The third pivot slot

82. The fourth pivot slot 90. Elastic piece

91. The first hook part 92. The second hook part

10', top cover 11', buttonhole

12', positioning hole 13', pin.

Detailed ways

Please refer to Fig. 1 to Fig. 9, which shows the specific structure of the first preferred embodiment of the present utility model, including PCB board 10, seat body 20, static contact piece 30, support piece 40, moving contact piece 50, lower frame 60, upper frame 70 and keycap 80. the

The PCB board 10 is provided with an LED lamp 11 , the base body 20 is disposed on the PCB board 10 , the base body 20 is provided with a gap 21 , and the LED lamp 11 is located in the gap 21 . the

The static contact piece 30 and the supporting piece 40 are separately arranged on the seat body 20, the static contact piece 30 has a first welding leg 31 and a static contact point 32, the supporting piece 40 has a second welding leg 41, and the second welding leg 41 and the first soldering pin 31 both protrude out of the base body 20 and are soldered and electrically connected to the PCB board 10 . the

One end of the movable contact piece 50 is electrically connected to the support piece 40 , and the other end of the movable contact piece 50 has a movable contact 51 , which is located above the static contact 32 . the

The upper frame 70 and the lower frame 60 intersect with each other and are foldably pivoted together. The lower end of the upper frame 70 and the lower end of the lower frame 60 are pivotally connected with the two ends of the seat body 20 respectively. The upper end of the upper frame 70 and the lower frame The upper end of 60 is pivotally connected with the bottom two ends of key cap 80 respectively, and the upper frame 70 and the lower frame 60 form an X-shaped structure to drive the moving contact piece 50 to move. When the upper frame 70 and the lower frame 60 are in a stacked state, the moving contact The contact 51 is in electrical contact with the static contact 32 , and the movable contact piece 50 is provided with an elastic member 90 that urges the movable contact piece 50 to reset so that the movable contact 51 is separated from the static contact 32 . the

Specifically, in this embodiment, both the lower frame 60 and the upper frame 70 are U-shaped, the lower frame 60 includes a first crossbar 61 and two first connecting rods 62, and the two first crossbars 61 A first pivot shaft 63 extends outward from each end, and the first pivot shaft 63 is pivotally connected to the keycap 80 . The two first connecting rods 62 are parallel to each other and integrally connected with the two ends of the first cross bar 61 respectively. , the inner sides of the tail ends of the two first connecting rods 62 are extended with a second pivot shaft 64, and the second pivot shaft 64 is pivotally connected with the seat body 20; the upper frame 70 includes a second cross bar 71 and two second The connecting rod 72 has a third pivot shaft 73 extending outward from both ends of the second cross bar 71. The third pivot shaft 73 is pivotally connected to the keycap 80. The two second connecting rods 72 are parallel to each other and respectively The two ends of the second cross bar 71 are integrally formed and connected, and the inner sides of the tail ends of the two second connecting rods 72 are extended with a fourth pivot shaft 74, and the fourth pivot shaft 74 is pivotally connected with the seat body 20, and the two The second connecting rods 72 are respectively located on the insides of the two first connecting rods 62, and the middle parts of the two second connecting rods 72 are respectively pivotally connected with the middle parts of the two first connecting rods 62. In this embodiment, the second connecting rods A sixth pivot shaft 75 extends outwards from the outer side of the middle part of 72 . Correspondingly, the first connecting rod 62 is provided with a pivot hole 65 , and the sixth pivot shaft 75 is inserted into the pivot hole 65 for pivot connection. the

The tail end surface of the first connecting rod 62 is recessed with a first embedding groove 601, and the inside of the front end of the first connecting rod 62 is recessed with a second embedding groove 602. In the stacked state, the front half of the second connecting rod 72 Part of it is embedded in the first embedding groove 601, and the second half of the second connecting rod 72 is embedded in the second embedding groove 602, so as to make the product thinner. the

The seat body 20 is recessed with a cavity 22 , two first pivotal grooves 23 and two second pivotal grooves 24 , and the two first pivotal grooves 23 and two second pivotal grooves 24 are distributed on the surface of the seat body 20 At the four corners, the second pivot shaft 64 and the fourth pivot shaft 74 are correspondingly engaged in the first pivot groove 23 and the second pivot groove 24 respectively, and the seat body 20 is provided with an upper Cover 10', the upper cover 10' restricts the second pivot shaft 64 and the fourth pivot shaft 74 respectively in the first pivot groove 23 and the second pivot groove 24, and the movable contact piece 50 is embedded in the concave The cavity 22 is located under the upper cover 10'. The two opposite side plates of the upper cover 10' are provided with buckle holes 11', and correspondingly, the seat body 20 is provided with buckle parts 25, and the buckle parts 25 and the button holes 11' are buckled and connected to each other, so that the upper The cover 10' is installed on the seat body 20, and the top end of the support piece 40 has a positioning part 42, the upper cover 10' is provided with a positioning hole 12', the positioning part 42 is inserted into the positioning hole 12' for positioning, and the upper Pins 13 ′ are extended from both sides of the cover 10 ′, and the pins 13 ′ are inserted into the PCB 10 and fixed by welding. the

And, the bottom of the keycap 80 is provided with a third pivotal slot 81 and a fourth pivotal slot 82, and the first pivotal shaft 63 and the third pivotal shaft 73 are correspondingly buckled in the third pivotal slot 81 and the third pivotal slot 81 respectively. The fourth pivotal slot 82 is pivotally connected. the

In this embodiment, the elastic member 90 is a tension spring, and the tension spring exposes the upper cover 10 ′. The two ends of the tension spring respectively have a first hook portion 91 and a second hook portion 92 . The second hook portion of the upper frame 70 The cross bar 71 is provided with a first hanging hole 701, the first hook portion 91 is hooked with the first hanging hole 701, the movable contact piece 50 is provided with a second hanging hole 52, and the second hook portion 92 is connected with the second hanging hole Holes 52 for hanging buckles. the

In addition, the seat body 20 is embedded in the aforementioned X-shaped structure, so that the volume of the product is smaller. the

When assembling, the static contact piece 30 and the support piece 40 are respectively socketed on the corresponding positions of the seat body 20 from top to bottom, and then, the moving contact piece 50 is placed in the cavity 22, and the moving contact piece 50 is pressed against the support The upper frame 70 and the lower frame 60 are kept in contact with each other, and then the upper frame 70 and the lower frame 60 are cross-jointed together, and the second pivot shaft 64 and the fourth pivot shaft 74 are correspondingly snapped into the first pivot slot 23 and the second pivot slot 23 respectively. In the two pivot joint grooves 24, then, the first hook portion 91 of the extension spring is buckled with the first hanging hole 701, and the second hook portion 92 of the extension spring is buckled with the second hanging hole 52, and then, the The upper cover 10' is fastened on the seat body 20 from top to bottom, and then, the keycap 80 is assembled so that the first pivot shaft 63 and the third pivot shaft 73 are correspondingly buckled in the third pivot slot 81 and the fourth pivot slot 81 respectively. Pivot connection in the pivot slot 82 is sufficient. the

When in use, when the keycap 80 is pressed, the upper frame 70 and the lower frame 60 move downward and overlap together, at the same time, the elastic member 90 is stretched, and the movable contact piece 50 moves downward, so that the movable contact 51 is electrically connected with the static contact 32; when the keycap 80 is released, the elastic member 90 recovers its deformation, and under the action of the elastic member 90, the upper frame 70 and the lower frame 60 open upwards, and the keycap 80 resets upwards, and at the same time , the moving contact piece 50 also resets upwards, so that the moving contact 51 is away from the static contact 32 . the

Please refer to shown in Fig. 10, it has shown the specific structure of the second preferred embodiment of the present utility model, the specific structure of this embodiment is basically the same as the specific structure of the foregoing first preferred embodiment, and its difference is :

In this embodiment, the elastic member 90 is an elastic piece, which is integrally formed on the movable contact piece 50 , and the movable contact piece 50 is installed and connected with the lower frame 60 .

The assembling process and using method of this embodiment are the same as those of the aforementioned first preferred embodiment, and the assembling process and using method of this embodiment will not be described in detail here. the

Please refer to shown in Fig. 11, it has shown the specific structure of the third preferred embodiment of the present utility model, the specific structure of this embodiment is basically the same as the specific structure of the foregoing first preferred embodiment, and its difference is :

The seat body 20 is located below the X-shaped structure, and the upper frame 70 and the lower frame 60 both protrude upwards out of the upper cover 10'.

The assembling process and using method of this embodiment are basically the same as those of the aforementioned first preferred embodiment, and the assembling process and using method of this embodiment will not be described in detail here. the

The key point of the design of the utility model is: by using the upper frame and the lower frame to intersect with each other and pivotally connect together in a superimposed manner, and cooperate with the upper frame and the lower frame to form an X-shaped structure to drive the movable contact piece to move, replacing the traditional use of The form of the guide post makes the overall thickness of the product thinner, and, no matter where the finger acts on the keycap, the upper frame and the lower frame can realize linkage to drive the movable contact piece to move, realize stable downward pressure, and make the static contact piece The conductive connection with the moving contact is more sensitive, and the product is more convenient to use. the

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model. the

Claims (10)

1. a super-thin keyboard switch, is characterized in that: include pedestal, static contact, support chip, movable contact spring, lower frame, upper ledge and keycap; This static contact and support chip are separated from each other and are arranged on pedestal, and this static contact has the first welding foot and fixed contact, and this support chip has the second welding foot, and this second welding foot and the first welding foot all stretch out outside pedestal; This movable contact spring one end is kept in touch with support chip and is electrically connected, and the other end of movable contact spring has moving contact, and this moving contact is positioned at the top of fixed contact; Be articulated to this upper ledge and the intersected with each other and foldable of lower frame, the lower end of upper ledge and the lower end of lower frame respectively with the two ends pivot joint of pedestal, the upper end of upper ledge and the upper end of lower frame respectively with two ends, the bottom pivot joint of keycap, upper ledge and lower frame form X-type structure and drive movable contact spring movable, when upper ledge and lower frame are in closed state, this moving contact contacts with fixed contact and is electrically connected, and is arranged at impels movable contact spring reset to make moving contact leave the elastic component of fixed contact for this movable contact spring.

2. super-thin keyboard switch according to claim 1, it is characterized in that: described lower frame and upper ledge are all U-shaped, this lower frame includes the first cross bar and two first connecting rods, the two ends of this first cross bar have all extended outward the first drive-connecting shaft, first drive-connecting shaft and keycap pivot joint, this two first connecting rod is parallel to each other and be connected with the two ends of the first cross bar are one-body molded respectively, and all extending inside the tail end of two first connecting rods has the second drive-connecting shaft, the second drive-connecting shaft and pedestal pivot joint; This upper ledge includes the second cross bar and two second connecting rods, the two ends of this second cross bar have all extended outward the 3rd drive-connecting shaft, 3rd drive-connecting shaft and keycap pivot joint, this two second connecting rod is parallel to each other and be connected with the two ends of the second cross bar are one-body molded respectively, all extend inside the tail end of two second connecting rods and have the 4th drive-connecting shaft, 4th drive-connecting shaft and pedestal pivot joint, and, two second connecting rods are the corresponding inner side being positioned at two first connecting rods respectively, the middle part difference correspondence of two second connecting rods and the middle part pivot joint of two first connecting rods.

3. super-thin keyboard switch according to claim 2, it is characterized in that: the rear end surface of described first connecting rod is arranged with the first embedding slot, the leading inside of first connecting rod is arranged with the second embedding slot, under closed state, the first half of second connecting rod is embedded in the first embedding slot, and the latter half of second connecting rod is embedded in the second embedding slot.

4. super-thin keyboard switch according to claim 2, is characterized in that: extended outward the 6th drive-connecting shaft outside the middle part of described second connecting rod, accordingly this first connecting rod is provided with pivoted hole, and the 6th drive-connecting shaft inserts pivot joint in pivoted hole.

5. super-thin keyboard switch according to claim 2, it is characterized in that: described pedestal is arranged with the first pivot connected slot and the second pivot connected slot, this second drive-connecting shaft and the corresponding inlay card of the 4th drive-connecting shaft difference are in the first pivot connected slot and the second pivot connected slot, and this pedestal is provided with upper cover, this upper cover by the second drive-connecting shaft and the 4th drive-connecting shaft respectively correspondence be limited in the first pivot connected slot and the second pivot connected slot, this movable contact spring is positioned at the below of upper cover.

6. super-thin keyboard switch according to claim 2, is characterized in that: the bottom of described keycap is provided with the 3rd pivot connected slot and the 4th pivot connected slot, and this first drive-connecting shaft and the 3rd drive-connecting shaft respectively correspondence are snapped in pivot joint in the 3rd pivot connected slot and the 4th pivot connected slot.

7. super-thin keyboard switch according to claim 1, is characterized in that: described elastic component is extension spring, and one end and the upper ledge of this extension spring buckle, and the other end and the movable contact spring of extension spring buckle.

8. super-thin keyboard switch according to claim 1, is characterized in that: described elastic component is shell fragment, and its one-body molded being arranged at is touched on sheet, and this movable contact spring is installed with lower frame and is connected.

9. super-thin keyboard switch according to claim 1, is characterized in that: described pedestal is embedded in X-type structure.

10. super-thin keyboard switch according to claim 1, is characterized in that: described pedestal is positioned at the below of X-type structure.