CN201210458Y - Key structure capable of stably acting - Google Patents

Abstract

A key structure capable of stably acting includes: the base comprises a body, a plurality of guiding pieces and through holes, each guiding piece comprises a plurality of guiding holes and a buckling part connected with the plurality of guiding holes, at least one part of the elastic piece is positioned in the through holes, the keycap is detachably assembled on the base and comprises a pressing part, a plurality of convex columns, a plurality of clamping hooks and a jacking column, the plurality of convex columns can be embedded into the plurality of guiding holes, the plurality of clamping hooks are used for buckling the plurality of buckling parts, the jacking column is arranged among the plurality of convex columns, and when the pressing part is pressed, the plurality of convex columns move towards the body in the plurality of guiding holes to enable the jacking column to be propped against the elastic piece to deform.

Description

Button structure for smooth operation

technical field

The utility model relates to a button structure, in particular to a button structure capable of smooth action.

Background technique

With the advancement of electronic technology, electronic devices such as personal computers, notebook computers, mobile phones, and personal digital assistants (PDAs) are becoming more and more popular. In particular, computers have become a necessity in modern people's life or work, and keyboards are used The computer is an indispensable key device, and whether the keyboard is easy to press is the key factor affecting the user's input.

As shown in Figure 1, it is a known key structure of a computer keyboard, which is mainly composed of a keycap A1, a hollow column A2, a conductive film A3, and a groove seat A4, wherein the keycap A1 is provided with a supporting column A11 is embedded in the perforation A21 of the hollow column A2, and the bottom of the hollow column A2 is provided with a foot A22. Assuming the keycap A1, when the user presses the keycap A1, the hollow column A2 is displaced in the groove seat A4 and presses against the conductive film A3 located below the groove seat A4, such as the Chinese Taiwan Patent No. 236447 "Keys of a Computer Keyboard" Unit Improvement Structure".

However, this kind of keyboard mechanism design with four parts has a large number of parts and high cost, and the assembly is cumbersome and difficult, thus reducing the yield rate of the assembly process. Moreover, the keycap is easy to shake from side to side relative to the hollow column, and the keycap is in the middle of the hollow column. Forces at different corners tend to produce yaw movements. In addition, because the final contact area between the keycap and the groove seat is small, the limit of the pressing stroke is not stable. Therefore, how to improve the structure of the keyboard keys, reduce the number of components, reduce the manufacturing cost and ease of assembly, and then solve the problem of unstable movement of the keycaps is an urgent problem to be solved.

Utility model content

In view of this, the purpose of the present invention is to provide a key structure that can move smoothly, which can reduce the number of components, reduce the manufacturing cost and ease of assembly, and further solve the problem of unstable keycap movement.

In order to achieve the above purpose, the utility model proposes a key structure that can move smoothly, including: a base, an elastic member and a keycap; wherein, the base includes: a body; a plurality of guides are located on the body, and each guide includes A plurality of guide holes and a buckle connecting the plurality of guide holes; and a perforation, located on the body, and arranged between the plurality of guides; at least a part of the elastic member is located in the perforation; the keycap is detachably assembled on the base , including: a pressing part; a plurality of protrusions, located on one side of the pressing part, set corresponding to a plurality of guide holes, and embedded in the plurality of guiding holes; a plurality of hooks, located on one side of the pressing part, and should be provided in a plurality of buckling parts for Buckle the plurality of buckling parts; and the supporting column, which is located on one side of the pressing part, and is arranged between the plurality of protrusions. When the pressing part is pressed, the plurality of protrusions are displaced toward the main body in the plurality of guide holes to make the supporting The column is deformed against the elastic member.

The utility model adopts the three-piece design of the base, the elastic part and the key cap, which not only reduces the number of parts, but also simplifies the assembly process. In addition, a plurality of convex columns are arranged at the corners of the pressing part to increase the stability of the key cap action. , and there will be no axial rotation shaking, and the multiple hooks on the side of the pressing part limit its displacement stroke and prevent falling off. This structural design also reduces the complexity of the mold, making it easier to develop the mold and improve its mass production.

The preferred embodiments of the present utility model and their effects are described in conjunction with the drawings as follows.

Description of drawings

FIG. 1 is a schematic diagram of a key structure of a conventional computer keyboard.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is a three-dimensional exploded view of the utility model.

Fig. 4 is a three-dimensional exploded view of another perspective of the utility model.

FIG. 5 is an enlarged schematic view of part A of FIG. 4 .

FIG. 6A is a schematic diagram (1) of the base of the present invention.

Fig. 6B is a schematic diagram (2) of the base of the present invention.

Fig. 7A is a schematic diagram (1) of the utility model when assembled.

Fig. 7B is a schematic diagram (2) of the utility model when assembled.

Fig. 8A is a schematic diagram (1) of the utility model when pressed.

Fig. 8B is a schematic diagram (2) of the utility model when pressed.

Detailed ways

Please refer to FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 , FIG. 6A and FIG. 6B , the key structure of the present invention which can operate smoothly includes: a base 10 , an elastic member 30 , and a keycap 50 .

The base 10 includes: a body 11, a plurality of guides 14, and a perforation 16, wherein the plurality of guides 14 are arranged on the body 11, and each guide 14 includes a plurality of guide holes 141 and a buckle 142, and the buckle 142 There is a guide inclined surface 1421 , and two ends thereof are respectively connected to guide holes 141 , and the main body 11 is provided with through holes 16 between the plurality of guide pieces 14 . In the present embodiment, the number of guide pieces 14 is preferably two and correspondingly arranged, each guide piece 14 is respectively provided with a guide hole 141 at both ends, here, the guide piece 14, the guide hole 141 The quantity and structure are just examples, but the utility model is not limited thereto, and can also be changed or adjusted according to actual needs.

The base 10 further includes a plurality of connection pieces 15 for connecting the plurality of guides 14 to form a closed space 140 between the plurality of guides 14 and the plurality of connection pieces 15 to effectively prevent dust and liquid from entering the base 10 . Furthermore, a plurality of protruding ribs 1411 can be provided in each guiding hole 141 , wherein the length of the protruding ribs 1411 is the same as the depth of the guiding holes 141 , and a guiding surface 1412 is provided at one end of the protruding ribs 1411 .

The elastic member 30 is at least partly located in the perforation 16 of the base 10, wherein the elastic member 30 can be a single rubber film or a monolithic film, but not limited thereto, and the size of the perforation 16 can vary with the size of the elastic member 30 The types vary. When the area of the perforation 16 is large (as shown in FIG. 6A ), a whole piece of film can be placed. When the area of the perforation 16 is small (as in FIG. 6B ), a single rubber film can be placed in the perforation 16.

The keycap 50 is detachably assembled on the base 10, including: a pressing part 51, a plurality of protrusions 52, a plurality of hooks 54, and a supporting post 56, wherein the pressing part 51 is approximately rectangular, and one side thereof is printed with text or Symbol, the other side is provided with a plurality of protruding posts 52, a plurality of hooks 54 and a supporting post 56, here, a plurality of protruding posts 52 are arranged on the four corners of the pressing part 51, and are set corresponding to the guide holes 141 of the guide member 14 , and the plurality of hooks 54 should be set on the buckle portion 142 of the guide 14, and its length is the same as that of the plurality of protrusions 52, and the hooks 54 have an inclined surface 541 set relative to the guide inclined surface 1421, and the supporting column 56 is It is arranged between the plurality of protrusions 52 .

The body 11 of the base 10 described above and the plurality of guides 14 are preferably integrally formed, and the pressing part 51 of the keycap 50, the plurality of protrusions 52, the plurality of hooks 54, and the supporting columns 56 are preferably formed. One-piece molding is made, but the utility model is not limited thereto.

The hook 54 of the keycap 50 can preferably be provided with a hook portion 542 and an arc surface 543, wherein the arc surface 543 is located on the side of the hook portion 542, when the hook portion 542 is buckled on the buckle portion 142 of the guide 14 Firstly, the buckling part 142 is guided by the arc surface 543 to provide a cushioning effect, reducing the sound produced by the collision between the hook part 542 and the buckling part 142 . Furthermore, the supporting column 56 of the keycap 50 may preferably be provided with a rib 561 and a supporting portion 562, wherein the rib 561 is generally in the shape of a cross, one end of which is connected to the pressing portion 51, and the supporting portion 562 is formed by The rib part 561 is formed by extending directly, and it is roughly cylindrical. In addition, the holding part 562 is preferably provided with a protruding point 563 at the top, and the elastic member 30 is provided with a corresponding through hole 31, so that the protruding point 563 is embedded The through hole 31 is used to allow the holding portion 562 to press against the elastic member 30 to effectively improve its stability, but the present invention is not limited thereto.

The shapes and structures of the hook 54 and the supporting column 56 described above are just examples, but the utility model is not limited thereto, and can also be changed or adjusted according to actual needs, such as the supporting column 56 can only be provided with ribs according to actual needs 561 or the holding portion 562 , and a protruding point 563 can be provided on the top of the rib portion 561 or the holding portion 562 to be inserted into the through hole 31 of the elastic member 30 .

Please refer to FIG. 7A and FIG. 7B. When assembling, first place the elastic member 30 in the through hole 16 of the base 10, and then align the plurality of protrusions 52 of the keycap 50 with the guide hole 141 of the base 10, and use the guide surface 1412 The guiding post 52 is inserted into the guiding hole 141 . The protrusion 52 is in contact with the rib 1411 in the guide hole 141 instead of the inner surface of the guide hole 141, thereby reducing the contact area between the protrusion 52 and the guide hole 141 and reducing the displacement of the protrusion 52. friction. During this assembly process, the inclined surface 541 of the hook 54 is in contact with the guide inclined surface 1421 of the buckle part 142, and the force is applied to make the hook 54 displace and elastically deform along the guide slope 1421, so that the hook 54 passes through the buckle part. 142 , because the supporting column 56 is supported by the elastic member 30 , the hook 54 is buckled by the buckling portion 142 .

Please refer to FIG. 8A and FIG. 8B , when the user presses the pressing portion 51 of the keycap 50, each protrusion 52 is displaced in the guide hole 141 along the rib 1411 toward the main body 11, so that the hook 54 is not locked on the The buckling part 142 simultaneously drives the supporting column 56 to displace towards the main body 11 , so that the supporting part 562 presses against the elastic member 30 to deform, so that the elastic member 30 generates an electronic signal. When the user relaxes and does not press the pressing part 51, the elastic member 30 supports the supporting part 562, causing the supporting column 56 to reversely displace, and drives each protruding column 52 to reverse along the protruding rib 1411 in the guide hole 141. At this time, the hook 54 guides the buckling part 142 through the arc surface 543 to provide a cushioning effect, and continues to buckle the hook part 542 on the buckling part 142, so as to limit the displacement stroke of the boss 52 in the guide hole 141, Prevent the keycap 50 from falling off from the base 10 .

According to the button structure of the utility model that can move smoothly, it has the following advantages:

(1) The three-piece design of the base, the elastic member and the keycap can not only reduce the number of parts, but also effectively reduce the manufacturing cost, simplify the assembly process, and reduce the difficulty of assembly.

(2) The component structure of the utility model is quite simple, and the mold development is easy to improve its mass production, which is suitable for general molding production.

(3) The plurality of protrusions of the utility model are arranged at the corners of the pressing part, which increases the stability of the keycap action, and does not cause axial rotation and shaking, even if the pressing part is stressed at different corners, it will not produce deflection action.

(4) The hook of the present invention is provided with an arc surface, which provides a cushioning effect by guiding the buckle part with the arc surface, and reduces the sound produced by the collision between the hook part and the buckle part.

(5) The hook of the utility model is only used to limit the stroke and prevent falling off, and the guiding action is controlled by a plurality of convex posts, and it is centerless grinding, so the accuracy requirement is relatively simple, thereby reducing the processing difficulty of the mold.

(6) The utility model can change the height of the base and the keycap according to actual design requirements, and can be matched with different elastic parts such as a single rubber film or a whole film, so it can be applied to general computer keyboards, notebook computer keyboards or The keyboard of other electronic devices greatly increases its scope of application.

Although the technical content of the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Anyone who is familiar with the art should make some changes and modifications without departing from the spirit of the present utility model. Covered within the scope of the utility model, so the scope of protection of the utility model should be defined as defined by the scope of the patent application.

Claims (10)

1. A button structure capable of smooth action, characterized in that the button structure includes: A base, comprising: a body; A plurality of guide pieces are located on the body, each of the guide pieces includes a plurality of guide holes and a buckling portion connecting the guide holes; and a perforation located on the body and disposed between the guides; an elastic member at least partially located within the perforation; and A keycap, detachably assembled to the base, comprising: a pressing part; A plurality of protruding columns are located on one side of the pressing part, set corresponding to the guide holes, and embedded in the guide holes; A plurality of hooks are located on one side of the pressing part and should be provided on the holding parts for holding the holding parts; and A supporting column, located on one side of the pressing part, and arranged between the protrusions, when the pressing part is pressed, the protrusions are displaced toward the main body in the guide holes to make the supporting The post is deformed against the elastic member. 2. The key structure capable of smooth action as claimed in claim 1, characterized in that: the base further includes a plurality of connecting pieces for connecting the guide pieces, so that a gap is formed between the guide pieces and the connecting pieces. an enclosed space. 3. The key structure capable of smooth action as claimed in claim 1, wherein the base further includes a plurality of ribs located in the guide holes, and the ribs include a guide surface for guiding The protrusion is embedded in the guide hole. 4. The key structure capable of smooth action as claimed in claim 3, wherein the length of the protruding ribs is the same as the depth of the guide holes. 5. The button structure capable of smooth action as claimed in claim 1, wherein the buckling part comprises a guide inclined surface for guiding the hook, and the hook comprises an inclined surface opposite to the guide inclined surface set up. 6. The key structure capable of smooth action as claimed in claim 1, characterized in that: the body and the guides are integrally formed. 7. The key structure capable of smooth action according to claim 1, characterized in that: the hook includes: a hook portion for fastening the fastening portion; and An arc surface is located at the side of the hook part and is used for guiding the buckling part. 8. The key structure capable of smooth action according to claim 1, characterized in that: the supporting column comprises: a rib, one end of which is connected to the pressing portion; and A holding part is located on the rib. 9. The key structure capable of smooth action as claimed in claim 1, wherein the lengths of the protrusions are the same as the lengths of the hooks. 10. The button structure capable of smooth action as claimed in claim 1, characterized in that: the pressing part, the protrusions, the hooks and the holding post are integrally formed.

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