CN201549410U - Improved structure of keyboard press - Google Patents

Abstract

The utility model discloses an improvement structure is pressed to keyboard to the problem of the elastic component of all must assembling very much of the button elasticity reset structure of solving current keyboard, and then improves keyboard packaging efficiency and reduce cost. The keyboard pressing improved structure is provided with a bridging type key structure for pressing elastic restoring force, the bridging structure is limited and clamped between a key cap and a keyboard frame plate, when the key cap is pressed, the bridging structure generates a state of local frame structure strain bending and has pressing elastic restoring force, and a pressing column of the key cap can be connected with a thin film circuit board through the bridging structure and a round hole of the keyboard frame plate under the state of the bridging structure strain bending, so that the thin film circuit board is conducted to generate corresponding key signals, and effective key operation is completed; the structure does not need to additionally assemble an elastic component in the bridging structure, thereby simplifying the keyboard assembly structure, effectively improving the keyboard assembly efficiency, improving the qualification rate of products and reducing the cost.

Description

Keyboard pressing improved structure

technical field

The utility model relates to an improved structure for pressing a keyboard, in particular to an improved utility model aimed at an elastic reset structure of a key.

Background technique

At present, notebook computers are widely recognized and adopted by market operators (suppliers) and users because they are easy to carry around and greatly improve the functions of document data processing. In the continuous research and development and improvement in order to reduce its volume and weight, so as to achieve the practical effect of ultra-thin and light. As for the thin key structure adopted by the notebook computer keyboard at present, it is mainly assembled and connected with a bridging type key structure between the keycap and the bottom plate, and the bridging type key structure of the existing keyboard must be specially assembled with an elastic component, and The pressing and reset function of the keyboard keys is provided by the elastic component,

Since the existing keyboard needs time-consuming and labor-intensive assembly of elastic components, which affects the keyboard assembly efficiency and greatly increases the cost, it is easy to cause damage during assembly and increase the defective rate of the product. Therefore, the above-mentioned shortcomings of the existing keyboard keys are improved, and the keyboard keys are further improved. The assembly and use efficiency of the product need to be further researched and improved by the industry.

Utility model content

The main purpose of this utility model is to provide an improved structure for pressing the keyboard to solve the problem that the elastic reset structure of the key of the existing keyboard must be specially assembled with elastic components, thereby improving the assembly efficiency of the keyboard and reducing the cost.

In order to achieve the above purpose, the utility model discloses an improved keyboard pressing structure, which is composed of a plurality of keycaps, a bridging structure, a keyboard frame board, a thin film circuit board and a bottom board; wherein,

The keycap is a pressing component, two symmetrical pivot grooves and two symmetrical guide grooves are formed on the bottom surface, and a pressing column is formed in the central position, and the two pivot grooves and the two guide grooves are pivotally connected to the bridge the top edge of the structure;

The bridging structure consists of a first frame and a second frame pivoted to form an integrated structure, and the first frame and the second frame are made of tough material, the bottom of the first frame and the second frame of the bridging structure The edge limit catch is pivotally connected to the keyboard frame; and the plurality of round holes on the keyboard frame and the bridging structure correspond to the pressing columns of the plurality of keycaps, so that the pressing columns of the keycaps can be Press down to turn on the thin film circuit board;

The thin film circuit board is a thin film circuit board structure for conducting key signals, and is located between the keyboard frame board and a bottom board;

The bottom board is a board body for supporting the keyboard frame board and the thin film circuit board.

In order to achieve the above purpose, the utility model also discloses an improved keyboard pressing structure, which is composed of a plurality of keycaps, a bridging structure, a keyboard frame board, a thin film circuit board and a bottom board; wherein,

The keycap is a pressing component, the bottom surface is formed with two symmetrical pivot grooves and two symmetrical bearing grooves, and a pressing column is formed in the central position, and the two pivot grooves and the two bearing grooves are respectively limited and assembled. at the top edge of the bridging structure;

The bridging structure consists of a first frame and a second frame pivoted to form an integrated structure, and the first frame and the second frame are made of tough material, the bottom of the first frame and the second frame of the bridging structure The edge is pivotally connected to the keyboard frame; and the plurality of circular holes on the keyboard frame and the bridging structure correspond to the pressing columns of the plurality of keycaps, so that the pressing columns of the keycaps can be pressed down touch the thin film circuit board;

The thin film circuit board is a thin film circuit board structure for conducting key signals, and is located between the keyboard frame board and a bottom board;

The bottom board is a board body for supporting the keyboard frame board and the thin film circuit board.

In the utility model, a bridging key structure with elastic restoring force is provided. The bridging structure is limited and locked between the keycap and the keyboard frame. When the keycap is pressed, the bridging structure produces a partial frame structure. The state of strain bending and has pressing elastic recovery force, and the pressing column of the keycap can be connected with the thin film circuit board through the bridging structure and the round hole of the keyboard frame under the strain bending state of the bridging structure, so that the thin film circuit board leads By generating corresponding key signals, effective key operations can be completed; and the above-mentioned structure does not need to assemble another elastic component in the bridging structure, thereby simplifying the keyboard assembly structure, which can effectively improve the keyboard assembly efficiency, product qualification rate and cut costs.

Description of drawings

FIG. 1 is a three-dimensional exploded view of the first embodiment of the keyboard pressing structure of the present invention.

FIG. 2 is a partially enlarged perspective exploded view of FIG. 1 , which shows the assembly structure of a single button.

FIG. 3 is a schematic cross-sectional view of the combination of the single button structure in FIG. 2 .

FIG. 4 is a schematic diagram of a pressed use state of the button structure of FIG. 3 .

FIG. 5 is a combined cross-sectional schematic view of the second embodiment of the keyboard pressing structure of the present invention.

specific embodiment

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.

First please refer to the first embodiment shown in Fig. 1 to Fig. 4, the embodiment of the present invention provides an improved structure for pressing the keyboard, which consists of a plurality of keycaps (10), several bridging structures (20), a keyboard frame Board (30), a thin film circuit board (40) and a bottom plate (50); wherein, the keycap (10) is a roughly square pressing component formed on the bottom surface of the keycap (10) There are two symmetrical pivot slots (14) and two corresponding guide slots (16), and a pressing post (18) is formed at its central position, and the two pivot slots (14) and the two guide slots (16) ) is pivotally connected to the top edge of the bridging structure (20);

The bridging structure (20) consists of a first frame (21) and a second frame (22) pivoted to form an integrated structure, and the first frame (21) and the second frame (22) are made of tough material As a result, when the frame body is pressed by the latch, the local frame structure will be strained and bent, so that the bridging structure (20) has a pressing elastic recovery force. Wherein, the two corresponding protruding shafts (211) extending inward on both sides of the top edge of the first frame (21) are slid and pivoted in the two corresponding guide grooves (16) on the bottom surface of the keycap (10), and the second The corresponding pivots (221) of the top edge of the frame (22) are latched and pivotally connected in two corresponding pivot grooves (14) of the bottom surface of the keycap (10); on the other hand, the bottom edge of the second frame (22) The two corresponding protruding shafts (222) that extend outward on the two sides are locked and pivotally connected in the two upwardly bent corresponding pivoting grooves (32) of the keyboard frame (30), and the bottom edge of the first frame (21) The corresponding pivot shafts (212) are pivotally connected in two upwardly bent corresponding pivot joint slots (31) of the keyboard frame (30). Thereby, the top edge and the bottom edge of the bridging structure (20) can be pivotally connected between the keycap (10) and the keyboard frame (30) respectively, because the pivot joint groove (14) of the keycap (10) And the pivoting slots (31, 32) of the keyboard frame (30) have a limiting effect on the bridging structure (20), thereby forming a bridging key structure with elastic restoring force;

The keyboard frame (30) is a roughly rectangular frame on which a plurality of bridging structures (20) and a plurality of keycaps (10) are pivotally connected correspondingly, that is, a plurality of keycaps (10) on the frame. A plurality of corresponding pivot slots (31, 32) are pivotally connected to the bottom edges of the plurality of bridging structures (20), and a plurality of corresponding circular holes (35) on the frame plate correspond to the plurality of keycaps The pressing post (18) of (10), so that the pressing post (18) of this keycap (10) can be pressed downwards and touch and conduct a film circuit board (40);

The thin film circuit board (40) is a long thin film circuit board structure for conducting key signals, and the thin film circuit board (40) is located between the keyboard frame board (30) and a bottom board (50);

The bottom plate (50) is a board body for bearing the keyboard frame board (30) and the thin film circuit board (40), and is used for bearing and assembling a complete keyboard structure.

Please refer to the second embodiment of Fig. 5 again, as shown in the figure, the improved structure for pressing the keyboard, on the one hand, is mainly provided with two corresponding pivot joint grooves (14A) and bearing grooves on the bottom surface of a keycap (10A) (14B), which are respectively used for the limit catch to be assembled on the pivot (221) corresponding to the top edge of the bridging structure (20) and the two corresponding protruding shafts (211), that is, when the keycap (10A) is pressed, then Limiting any lateral sliding phenomenon at the top edge of the bridging structure (20), thereby promoting the frame structure body of the bridging structure (20) to produce a state of local strain bending, so that the bridging structure (20) has a pressing elastic recovery force On the other hand, on a keyboard frame plate (30A), there are a plurality of upwardly bent corresponding pivot joint grooves (31A) and guide slide grooves (31B), which are respectively used for corresponding pivot joint assembly on the bridging structure ( 20) The pivot shaft (212) of the bottom edge and two corresponding protruding shafts (222); due to the pivot joint groove (14A) of the keycap (10A), the bearing groove (14B) and the pivot of the keyboard frame (30A) The connecting groove (31A) acts as a limit stopper on the bridging structure (20), thereby forming a bridging type key structure with a pressing elastic restoring force.

In the utility model, a bridging key structure with elastic restoring force is provided. The bridging structure is limited and locked between the keycap and the keyboard frame. When the keycap is pressed, the bridging structure produces a partial frame structure. The state of strain bending and has pressing elastic recovery force, and the pressing column of the keycap can be connected with the thin film circuit board through the bridging structure and the round hole of the keyboard frame under the strain bending state of the bridging structure, so that the thin film circuit board leads By generating corresponding key signals, effective key operations can be completed; and the above-mentioned structure does not need to assemble another elastic component in the bridging structure, thereby simplifying the keyboard assembly structure, which can effectively improve the keyboard assembly efficiency, product qualification rate and cut costs.

The above are only preferred embodiments of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any skilled person familiar with the art within the technical scope disclosed by the utility model can easily think of changes or Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (6)

1. An improved structure for pressing a keyboard is characterized in that it is made up of a plurality of keycaps, bridging structures, a keyboard frame plate, a thin film circuit board and a base plate; wherein, The keycap is a pressing component, two symmetrical pivot grooves and two symmetrical guide grooves are formed on the bottom surface, and a pressing column is formed in the central position, and the two pivot grooves and the two guide grooves are pivotally connected to the bridge the top edge of the structure; The bridging structure consists of a first frame and a second frame pivoted to form an integrated structure, and the first frame and the second frame are made of tough material, the bottom of the first frame and the second frame of the bridging structure The edge limit catch is pivotally connected to the keyboard frame; and the plurality of round holes on the keyboard frame and the bridging structure correspond to the pressing columns of the plurality of keycaps, so that the pressing columns of the keycaps can be Press down to turn on the thin film circuit board; The thin film circuit board is a thin film circuit board structure for conducting key signals, and is located between the keyboard frame board and a bottom board; The bottom board is a board body for supporting the keyboard frame board and the thin film circuit board. 2. The improved keyboard pressing structure according to claim 1, characterized in that two corresponding protruding shafts extending inward on both sides of the top edge of the first frame are slid and pivoted in two corresponding guide grooves on the bottom surface of the keycap , and the corresponding pivot latches on the top edge of the second frame are pivotally connected to the two corresponding pivot grooves on the bottom surface of the keycap. 3. The improved structure for pressing the keyboard according to claim 1, characterized in that, the two corresponding protrusions extending outward on both sides of the bottom edge of the second frame are pivotally connected to the two corresponding upward bending of the keyboard frame. The corresponding pivot latches on the bottom edge of the first frame are pivotally connected to the two upwardly bent corresponding pivot joint grooves of the keyboard frame. 4. An improved structure for pressing a keyboard, characterized in that it is made up of a plurality of keycaps, bridging structures, a keyboard frame, a thin film circuit board and a bottom plate; wherein, The keycap is a pressing component, the bottom surface is formed with two symmetrical pivot grooves and two symmetrical bearing grooves, and a pressing column is formed in the central position, and the two pivot grooves and the two bearing grooves are respectively limited and assembled. at the top edge of the bridging structure; The bridging structure consists of a first frame and a second frame pivoted to form an integrated structure, and the first frame and the second frame are made of tough material, the bottom of the first frame and the second frame of the bridging structure The edge is pivotally connected to the keyboard frame; and the plurality of circular holes on the keyboard frame and the bridging structure correspond to the pressing columns of the plurality of keycaps, so that the pressing columns of the keycaps can be pressed down touch the thin film circuit board; The thin film circuit board is a thin film circuit board structure for conducting key signals, and is located between the keyboard frame board and a bottom board; The bottom board is a board body for supporting the keyboard frame board and the thin film circuit board. 5. The improved keyboard pressing structure according to claim 4, characterized in that, the two corresponding pivot joint grooves and bearing grooves on the bottom surface of the keycap are respectively limited and assembled to the corresponding pivot shaft and the top edge of the bridging structure. Two correspond to the cam shaft. 6. The improved keyboard pressing structure according to claim 4, characterized in that, the keyboard frame plate is provided with a plurality of upwardly bent pivotal slots and guide slots corresponding to the corresponding pivotal joints assembled on the frame The pivot axis of the bottom edge of the bridge structure and two corresponding convex axes.

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