CN217641081U - Hollow contact piece and keyboard switch with same - Google Patents
Hollow contact piece and keyboard switch with same Download PDFInfo
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- CN217641081U CN217641081U CN202221510723.2U CN202221510723U CN217641081U CN 217641081 U CN217641081 U CN 217641081U CN 202221510723 U CN202221510723 U CN 202221510723U CN 217641081 U CN217641081 U CN 217641081U
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- contact piece
- movable part
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- fixed part
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Abstract
The utility model provides a fretwork contact piece and have keyboard switch of this fretwork contact piece relates to keyboard processing technology field, and the main objective improves the life of contact, makes keyboard switch's use feel more in the same direction as smooth simultaneously. The hollowed-out contact piece comprises a fixed part and a movable part which are arranged side by side, and the fixed part is connected with the movable part through an elastic sheet; the spring plate is U-shaped, and the middle part of the spring plate is provided with a hollow structure; one side of the movable part back to the fixed part is also provided with a convex claw which is convex relative to the surface of the movable part. Because shell fragment department has hollow out construction, can effectively reduce the impact between fretwork contact piece and the corresponding static contact piece when consequently this shell fragment uses to the life of help improvement contact. This keyboard switch includes stop member, button and fretwork contact piece, and the lug structure of button can mutually support with the claw part on the fretwork contact piece, effectively reduces the frictional force between claw and the lug for pressing of button feels more smooth and easy.
Description
Technical Field
The utility model belongs to the technical field of the keyboard switch technique and specifically relates to a fretwork contact piece and have keyboard switch of this fretwork contact piece is related to.
Background
Along with the continuous progress of the life of people, the use of computers is more and more popular in the society, and the computer is an essential article in the life of people. The keyboard is an external device of the computer, the operation performance of the keyboard is gradually improved along with continuous innovation of the technology, and the reliability and the functionality of the keyboard are better and better from mechanical to photoelectric, from photoelectric to optical, and from wired to wireless. At present, a common mechanical keyboard mostly adopts the matching of a movable contact piece and a static contact piece to realize the on-off of a switch, wherein the position of the static contact piece is fixed, and the movable contact piece can generate elastic deformation and recover along with the action of a button. In the process, the contact on the movable contact piece continuously hits the contact on the corresponding position of the static contact piece along with the pressing and releasing of the button. With the lapse of the key-press service time, the contact can drop or damage because of striking many times to influence the normal use of keyboard.
Researches show that the larger the resilience force of the movable contact spring is, the larger the impact force between corresponding contacts is, and the service life of the contacts is further influenced; meanwhile, the movable contact spring with larger resilience force can influence the smooth degree of the hand feeling of the button when the keyboard is pressed, so that the fingers of a user are easy to be exhausted.
In order to solve the above problems, it is necessary to develop a novel movable contact structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fretwork contact piece and have keyboard switch of this fretwork contact piece to solve the contact life that exists among the prior art short, the keyboard is pressed and is felt technical problem in the same direction as smooth inadequately. The utility model provides a plurality of technological effects that preferred technical scheme among a great deal of technical scheme can produce are seen in the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a hollowed-out contact piece, which comprises a fixed part and a movable part which are arranged side by side, wherein the fixed part is connected with the movable part through a spring sheet; the elastic sheet is U-shaped, and the middle part of the elastic sheet is provided with a hollow structure;
one side of the movable part, which is back to the fixed part, is also provided with a convex claw which is convex relative to the surface of the movable part.
Because shell fragment department has hollow out construction, consequently the resilience force of this shell fragment compares can obviously reduce with traditional, no hollow out construction's shell fragment, and then can effectively reduce the impact between this fretwork contact piece and the corresponding static contact piece to the help improves the life of contact.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
As a further improvement of the present invention, the elastic sheet is located above the fixed part and the movable part; or the elastic sheet is positioned on the same side of the fixed part and the movable part in the length direction, and the fixed part, the movable part and the elastic sheet are connected to form a horizontal structure.
When the contact piece is used, the structure of the contact piece can be in an inverted U-shaped or horizontal structure according to the specific position of the elastic piece.
As a further improvement of the utility model, the movable part is back to one side surface of the fixed part is convexly provided with a contact.
As a further improvement of the present invention, when the elastic piece is located above the movable portion, the number of the claws is at least one and the claws and the contacts are located on the same horizontal line.
When the convex claw is matched with a corresponding structure and is extruded, the elastic sheet can deform and drive the contact to move.
As a further improvement of the present invention, the number of the claws is two and two the claws are symmetrically arranged on the left and right sides of the contact.
The symmetrical arrangement of the convex claw structure can ensure that the contact on the movable part can be smoothly separated from other corresponding contacts and other structures under the extrusion action of external force.
As a further improvement of the present invention, when the contact point, the protruding claw and the elastic piece are located on the same horizontal line, the contact point is located the protruding claw is kept away from one side of the elastic piece.
Because the contact is positioned on one side of the convex claw far away from the elastic sheet, when the convex claw is squeezed and presses the elastic sheet to deform, the contact positioned on the movable part can be separated from other corresponding contact structures.
As a further improvement, the hollow structure is followed the length direction of shell fragment arranges just hollow structure's both ends are directional respectively the fixed part with the movable part.
Because hollow out construction's both ends can point to fixed part and movable part respectively, this shows that this hollow out construction's length is only slightly less than this shell fragment part to can effectively reduce the resilience force of shell fragment under the prerequisite that does not change the whole width of this shell fragment.
The utility model also provides a keyboard switch, which comprises a limit component, a button and any one of the hollowed-out contact pieces; the limiting component is of a hollow structure, an opening is formed in the middle of the upper surface of the limiting component, and the hollow contact piece is located in the hollow structure; the lower end of the button is positioned in the hollow structure and can move back and forth relative to the opening along the axial direction of the limiting component, and the button protrudes towards one side of the hollowed-out contact piece to form a bump; in a static state, the convex block can extrude the convex claw and push the movable part to deflect towards the position of the fixed part; when the button moves downwards relative to the opening under the action of external force, the convex block and the convex claw are separated from each other, and the movable part returns to the normal state.
When the button is used, the lug structure of the button can be matched with the convex claw part on the hollowed-out contact piece. Because the resilience force of the elastic sheet is reduced, when the button is pressed, the friction force between the convex claw and the convex block can be effectively reduced, so that the pressing hand feeling of the button is smoother.
Compared with the prior art, the hollowed-out contact piece provided by the preferred embodiment of the utility model can effectively reduce the resilience of the elastic piece part, thereby reducing the impact force between the contacts and prolonging the mechanical life of the contact; in addition, when the keyboard switch with the hollowed-out contact piece is used, the resilience force of the hollowed-out contact piece is reduced, and the friction force between the convex block and the convex claw in the pressing process of the button is also reduced, so that the pressing hand feeling of the button is smoother, and the finger burden of a user can be effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a first embodiment of the hollowed-out contact piece of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a rear view of FIG. 1;
FIG. 5 is a schematic structural view of a second embodiment of the hollowed-out contact piece of the present invention;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a side view of FIG. 5;
FIG. 8 is a rear view of FIG. 5;
fig. 9 is an exploded view of the first embodiment of the keyboard switch of the present invention;
fig. 10 is an exploded view of a second embodiment of the keyboard switch of the present invention.
In the figure: 1. a fixed part; 2. a movable portion; 21. a convex claw; 22. a contact; 3. a spring plate; 31. a hollow structure; 4. an opening; 5. a button; 51. and (6) a bump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Fig. 1 is a schematic structural view of a first embodiment of the hollowed-out contact piece of the present invention, fig. 2 is a front view of fig. 1, fig. 3 is a side view of fig. 1, and fig. 4 is a rear view of fig. 1; the hollow contact piece mainly comprises a fixed part, a movable part and an elastic sheet, wherein the fixed part and the movable part are arranged side by side and can basically keep horizontal mutually, the elastic sheet is positioned above the fixed part and the movable part and is in an inverted U shape, the elastic sheet is connected with the fixed part and the movable part, and the middle part of the elastic sheet is provided with a hollow structure in U-shaped distribution; in addition, two convex claws and a contact point which are positioned on the same horizontal line are distributed on one side of the movable part, which is back to the fixed part, wherein the contact point is positioned between the two convex claws.
Fig. 5 is a schematic structural view of a second embodiment of the hollowed-out contact piece of the present invention, fig. 6 is a front view of fig. 5, fig. 7 is a side view of fig. 5, and fig. 8 is a rear view of fig. 5; as can be seen from the above four drawings, compared with embodiment 1, the spring plate in embodiment 2 is located on the same side of the fixed portion and the movable portion and has a horizontal structure, and in addition, the side of the movable portion, which is back to the fixed portion, is distributed with the claws and the contacts which are located on the same horizontal line, wherein the contacts are located on the side of the claws, which is far away from the spring plate.
Fig. 9 is an exploded view of the first embodiment of the keyboard switch of the present invention; the hollow contact pieces in the keyboard switch are those in embodiment 1.
Fig. 10 is an exploded view of a second embodiment of the keyboard switch of the present invention, wherein the hollowed-out contact pieces are those of embodiment 2.
The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.
The utility model provides a hollowed-out contact piece, which comprises a fixed part 1 and a movable part 2 which are arranged side by side, wherein the fixed part 1 is connected with the movable part 2 through an elastic sheet 3; the spring plate 3 is U-shaped, and a hollow structure 31 is arranged in the middle of the spring plate; the side of the movable part 2 opposite to the fixed part 1 is also provided with a convex claw 21 which is convex relative to the surface of the movable part 2.
Because there is hollow out construction 31 shell fragment 3 department, consequently this shell fragment 3's resilience force can obviously reduce with traditional, do not have hollow out construction 31's shell fragment 3, and then can effectively reduce the impact between this fretwork contact piece and the corresponding static contact piece to the help improves the life of contact 22.
It should be noted that the hollow structure 31 does not affect the width of the elastic sheet 3 itself, that is, the hollow structure 31 is only located in the middle of the elastic sheet 3 and is disposed along the length direction of the elastic sheet 3. In addition, the hollow structure 31 does not change the radian of the elastic sheet 3 itself, and therefore, the deformation resistance of the elastic sheet 3 is not significantly affected.
In order to guarantee the strength and the use effect of the hollowed-out contact piece, the fixing portion 1, the movable portion 2 and the elastic piece 3 in the hollowed-out contact piece need to be arranged into an integrated structure.
Example 1:
as shown in fig. 1-4, the present invention provides a hollowed-out contact piece, which comprises a fixed part 1 and a movable part 2 arranged side by side, wherein the fixed part 1 and the movable part 2 are connected through an inverted U-shaped elastic sheet 3 located above the fixed part and the movable part. The middle part of the elastic sheet 3 is provided with a hollow structure 31.
Specifically, in order to ensure the normal use of the elastic sheet 3, the surface of the movable part 2 opposite to the fixed part 1 is convexly provided with a contact 22, and a structure of a convex claw 21 which is convex relative to the surface of the movable part 2 is further provided, and the convex claw 21 is formed by bending part of the components of the movable part 2.
As shown in fig. 1, the claw 21 and the contact 22 are located on the same horizontal line.
In order to ensure the sensitivity of the contact 22 during use, the number of the protruding claws 21 is two, and the two protruding claws 21 are respectively arranged at the left and right sides of the contact 22.
The symmetrically arranged structure of the protruding claws 21 can ensure that the contact 22 on the movable part 2 can be smoothly separated from the corresponding structures such as other contacts 22 (i.e. the corresponding contacts 22 on the static contact) under the action of external force extrusion. The corresponding structure of the static contact is the prior art and is not described in detail herein.
As an alternative embodiment, the hollow structures 31 are arranged along the length direction of the elastic sheet 3, and two ends of the hollow structures 31 point to the fixed part 1 and the movable part 2 respectively.
Because the both ends of hollow out construction 31 can point to fixed part 1 and movable part 2 respectively, this shows that this hollow out construction 31's length is only slightly shorter than this shell fragment 3 part to can effectively reduce the resilience force of shell fragment 3 under the prerequisite that does not change this shell fragment 3 whole width.
Example 2:
the present embodiment 2 is different from embodiment 1 in that: as shown in fig. 5-8, the elastic sheet 3 is located on the same side of the fixed portion 1 and the movable portion 2 in the length direction, and the fixed portion 1, the movable portion 2 and the elastic sheet 3 are connected to form a horizontal structure.
The structure design can effectively reduce the occupied space height of the hollowed-out contact piece, and meanwhile, the foreign matter resistance of the contact piece structure is also improved.
In addition, unlike embodiment 1, the number of the claws 21 in this embodiment is one and the contact 22 is located on the side of the claw 21 away from the spring plate 3.
Since the contact 22 is located on the side of the claw 21 far from the spring plate 3, when the claw 21 is pressed and presses the spring plate 3 to deform, the contact 22 located on the movable portion 2 can be separated from other corresponding contacts (i.e. corresponding contacts on the static contact plate). The corresponding structure of the static contact is the prior art and is not described in detail herein.
Example 3:
as shown in fig. 9, the present invention further provides a keyboard switch, which comprises a position-limiting member, a button 5 and a hollow contact piece structure as shown in fig. 1; the limiting component is of a hollow structure, an opening 4 is formed in the middle of the upper surface of the limiting component, and the hollow contact piece is located in the hollow structure; the lower end of the button 5 is positioned in the hollow structure and can move back and forth relative to the opening 4 along the axial direction of the limiting member, and the button 5 protrudes towards one side of the hollowed-out contact piece and forms a bump 51; in the rest state, the lug 51 can press the convex claw 21 and push the movable part 2 to deflect towards the position of the fixed part 1; when the push button 5 is moved downwards relative to the opening 4 by an external force, the projection 51 and the pawl 21 are separated from each other, and the movable part 2 returns to its normal configuration (i.e. the fixed part 1 and the movable part are arranged side by side and parallel or approximately parallel to each other, with the contacts 22 on the movable part 2 contacting the corresponding contact structures on the stationary contact).
In use, the projection 51 of the button 5 is configured to interact with the portion of the prong 21 of the pierced contact. Because the resilience of the elastic sheet 3 is reduced, when the button 5 is pressed, the friction force between the convex claw 21 and the convex block 51 can be effectively reduced, so that the pressing hand feeling of the button 5 is smoother.
Specifically, the limiting member includes an upper cover and a base which are separately arranged, and the structure and the connection mode of the limiting member are the prior art and are not described herein again. The button 5 and the static contact piece have the same structure.
Example 4:
the present example 4 is different from the present example 3 in that: as shown in fig. 10, the hollowed-out contact piece in this embodiment is a horizontal contact piece structure shown in fig. 5.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The hollowed-out contact piece is characterized by comprising a fixed part and a movable part which are arranged side by side, wherein the fixed part is connected with the movable part through an elastic sheet; the spring plate is U-shaped, and the middle part of the spring plate is provided with a hollow structure;
one side of the movable part, which is back to the fixed part, is also provided with a convex claw which is convex relative to the surface of the movable part.
2. The hollowed-out contact piece according to claim 1, wherein the spring plate is located above the fixed part and the movable part; or the elastic sheet is positioned on the same side of the fixed part and the movable part in the length direction, and the fixed part, the movable part and the elastic sheet are connected to form a horizontal structure.
3. The hollowed-out contact piece according to claim 1 or 2, wherein a contact point is convexly arranged on a surface of the movable part, which is opposite to the fixed part.
4. The hollowed-out contact piece according to claim 3, wherein when the spring piece is located above the movable portion, the number of the claws is at least one, and the claws and the contact point are located on the same horizontal line.
5. The hollowed-out contact piece according to claim 4, wherein the number of the claws is two, and the two claws are symmetrically arranged on the left side and the right side of the contact.
6. The hollowed-out contact piece according to claim 3, wherein the contact is located on a side of the claw away from the spring piece when the contact, the claw and the spring piece are located on the same horizontal line.
7. The hollowed-out contact piece according to claim 1, wherein the hollowed-out structures are arranged along the length direction of the elastic sheet, and two ends of the hollowed-out structures are respectively directed to the fixed part and the movable part.
8. A keyboard switch comprising a stop member, a button, and the hollowed-out contact of any of claims 1-7;
the limiting component is of a hollow structure, an opening is formed in the middle of the upper surface of the limiting component, and the hollow contact piece is located in the hollow structure;
the lower end of the button is positioned in the hollow structure and can move back and forth relative to the opening along the axial direction of the limiting component, and the button protrudes towards one side of the hollowed-out contact piece to form a bump;
in a static state, the convex block can extrude the convex claw and push the movable part to deflect towards the position of the fixed part; when the button moves downwards relative to the opening under the action of external force, the convex block and the convex claw are separated from each other, and the movable part returns to a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221510723.2U CN217641081U (en) | 2022-06-16 | 2022-06-16 | Hollow contact piece and keyboard switch with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221510723.2U CN217641081U (en) | 2022-06-16 | 2022-06-16 | Hollow contact piece and keyboard switch with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217641081U true CN217641081U (en) | 2022-10-21 |
Family
ID=83627174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221510723.2U Active CN217641081U (en) | 2022-06-16 | 2022-06-16 | Hollow contact piece and keyboard switch with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217641081U (en) |
-
2022
- 2022-06-16 CN CN202221510723.2U patent/CN217641081U/en active Active
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