CN220585109U

CN220585109U - Rebound key structure

Info

Publication number: CN220585109U
Application number: CN202322201573.8U
Authority: CN
Inventors: 陈龙扣; 桂登宇; 肖永根; 朱惠勇
Original assignee: Shenzhen Baseus Technology Co Ltd
Current assignee: Shenzhen Baseus Technology Co Ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-12
Anticipated expiration: 2033-08-15

Abstract

The utility model provides a rebound type key structure, which comprises a cantilever bracket and keys, wherein the cantilever bracket and the keys are erected in the rebound direction of an external switch; one end of the cantilever is connected to the cantilever bracket, and the other end of the cantilever is connected with the key and used for generating resilience force for pushing the key to reset when the key is pressed. According to the utility model, through the cantilever in the cantilever bracket, the key generates resilience force under the action of the cantilever when being pressed down, and the key automatically rebounds after being released. When the key is pressed, the key has better pressing hand feeling due to the rebound force generated by the cantilever. And when the stroke of the external switch is shorter, the cantilever can still provide resilience force, so that the stiffness when the key is pressed is reduced, the use experience of a user is improved, and meanwhile, the production cost can be saved by adopting the cantilever.

Description

Rebound key structure

Technical Field

The utility model relates to the technical field of switches, in particular to a rebound type key structure.

Background

The key in the prior art generally adopts the spring to realize rebound from top to bottom, however, the elasticity dynamics of spring is difficult to control in the space that is comparatively little to adopt the real deformation of spring to realize that the key rebound brings presses the feel relatively poor, especially when being applied to the switch that the activity stroke is short, it is comparatively stiff to add the spring back press key, and user's experience effect is poor.

Disclosure of Invention

The present utility model is directed to solving at least one of the above-mentioned problems by providing a key structure capable of rebounding.

Specifically, the rebound type key structure comprises a cantilever bracket and keys, wherein the cantilever bracket and the keys are erected in the rebound direction of an external switch;

the key is connected with the cantilever bracket, a key hole and a cantilever are arranged in the cantilever bracket, a key column is arranged on the key, and the key column penetrates through the key hole so as to enable the key column to contact an external switch when being pressed;

one end of the cantilever is connected to the cantilever bracket, and the other end of the cantilever is connected with the key and is used for generating resilience force for pushing the key to reset when the key is pressed.

In the above technical scheme, preferably, the cantilever is connected with the key through a buckling structure in a buckling manner, and one part of the buckling structure is arranged on the key, and the other part of the buckling structure is arranged on the cantilever bracket.

In the above technical solution, preferably, the fastening structure includes a fastening hole provided in the cantilever bracket and a fastening member provided on the key;

one end of the buckling piece is connected with the key, and the other end of the buckling piece penetrates through the buckling hole and buckles the cantilever bracket so as to enable the key to be buckled and connected onto the cantilever bracket.

In the above technical solution, preferably, a positioning hole is provided in the cantilever bracket, and a positioning column that is not in contact with an external switch is provided on the key;

one end of the positioning column is connected with the key, and the other end of the positioning column penetrates through the positioning hole and is used for providing guidance when the key is connected with the cantilever bracket.

In the above technical solution, preferably, a distance between the end of the cantilever, which contacts the key, and the top surface of the key hole is not smaller than a stroke of the external switch.

In the above technical solution, preferably, a connection protrusion is disposed at an end of the cantilever, which contacts with the key, so as to connect the key through the connection protrusion, so that the cantilever is deformed by the connection protrusion after the key is pressed.

In the above technical solution, preferably, the height of the connection protrusion is not smaller than the stroke of the external switch.

In the above technical solution, preferably, a hollow portion is provided in the cantilever bracket, one end of the cantilever is connected to the cantilever bracket, and the other end extends to the hollow portion;

the hollow part is internally extended with a plurality of cantilevers, and the button hole is positioned in a space surrounded by the cantilevers.

In the above technical scheme, preferably, the cantilever support is further provided with a key pressing groove, the key is connected in the key pressing groove, and the key hole and the cantilever are both arranged at the bottom of the key pressing groove.

In the above technical solution, preferably, the depth of the key groove is greater than the thickness of the key.

The beneficial effects are that: according to the utility model, through the cantilever arranged in the cantilever bracket above the external switch, the key generates resilience force under the action of the cantilever when being pressed down, and the key automatically rebounds after being released. When the key is pressed, the key has better pressing hand feeling due to the rebound force generated by the cantilever. And when the stroke of the external switch is shorter, the cantilever can still provide resilience force, so that the stiffness when the key is pressed is reduced, the use experience of a user is improved, and meanwhile, the production cost can be saved by adopting the cantilever.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a cantilever of the present utility model;

FIG. 2 is a schematic cross-sectional view of a fastener of the present utility model;

FIG. 3 is a schematic perspective view of a key slot according to the present utility model;

FIG. 4 is a schematic diagram of a key structure according to the present utility model;

fig. 5 is a schematic view of the structure of the present utility model mounted on a patch panel.

The reference numerals are as follows: 1-a first sidewall; 2-concave surface; 3-pressing key grooves; 4-key; 5-a key column; 6-cantilever; 7-connecting the convex contact; 8-a circuit board; 9-switching; 10-positioning columns; 11-a fastener; 12-buckling the bulges; 13-tilt angle; 14-buckling holes; 15-positioning holes; 16-a key hole; 18-patch board.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model.

Hereinafter, various embodiments of the present utility model will be described more fully. The utility model is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit the various embodiments of the utility model to the specific embodiments disclosed herein, but rather the utility model is to be understood to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of the various embodiments of the utility model.

Hereinafter, the terms "comprises" or "comprising" as may be used in various embodiments of the present utility model indicate the presence of the disclosed functions, operations or elements, and are not limiting of the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the utility model, the terms "comprises," "comprising," and their cognate terms are intended to refer to a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be interpreted as first excluding the existence of or increasing likelihood of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.

In various embodiments of the utility model, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B or may include both a and B.

Expressions (such as "first", "second", etc.) used in the various embodiments of the utility model may modify various constituent elements in the various embodiments, but the respective constituent elements may not be limited. For example, the above description does not limit the order and/or importance of the elements. The above description is only intended to distinguish one element from another element. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present utility model.

It should be noted that: in the present utility model, unless explicitly specified and defined otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between the interiors of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, it should be understood by those of ordinary skill in the art that the terms indicating an orientation or a positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of description, not to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

The terminology used in the various embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the utility model. As used herein, the singular is intended to include the plural as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the utility model belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments of the utility model.

Example 1

The embodiment provides a rebound type key structure, which enables the key 4 to have better pressing hand feeling, as shown in fig. 1 to 5, and specifically includes a cantilever bracket and the key 4 which are sequentially arranged along the rebound direction of the external switch 9. Preferably, the external switch 9 is an automatic rebound switch, and the pressing direction and the rebound direction are opposite linear directions.

In a specific embodiment, as shown in fig. 5, the utility model is applied to a patch panel 18, wherein a circuit board 8 parallel to a first side wall 1 of the housing is arranged in the housing of the patch panel 18, and a base of a switch 9 is fixed on the circuit board 8. In this embodiment, the cantilever bracket is the first side wall 1 of the shell, the cantilever bracket is provided with a key groove 3 with a size matched with the key 4 in the rebound direction of the switch 9, the cantilever bracket is also provided with an inner concave surface 2, the center of the inner concave surface 2 is the key groove 3, so that the key 4 is arranged in the key groove 3, and the position of the key 4 is highlighted. The depth of the key slot 3 is greater than the thickness of the key 4, so that the key 4 can have a space for pressing and rebounding in the key slot 3, and meanwhile, the rebounded key 4 cannot protrude from the surface of the cantilever bracket, so that the surface of the cantilever bracket is kept flat, and the appearance is more attractive. Preferably, the key 4 is a round key 4, which is convenient to install and has high aesthetic feeling. The top of button 4 is smooth circular surface, has better pressing handle, and the center of button 4 bottom is provided with button post 5, and button post 5 runs through button hole 16 perpendicular connection button 4 and switch 9 to set up to "cross" font structure, can be in a multi-azimuth on the transmission of the pressing force of button 4 to switch 9, so that the pressing force that switch 9 received is more even.

Further, as shown in fig. 1 and 3, a key hole 16 and a cantilever 6 are arranged at the bottom of the key slot 3, the cantilever 6 and the key hole 16 are formed by hollowing out the bottom of the key slot 3, and the cantilever 6 is integrally connected with the bottom of the key slot 3. Preferably, the cantilever 6 is long, one end of the cantilever 6 is connected with the cantilever bracket, the other end is provided with a connecting convex contact 7, and the connecting convex contact 7 is connected with the cantilever 6 and the key 4 and is used for enabling the cantilever 6 to generate larger deformation when the key 4 is pressed down so as to generate larger resilience force. The deformation is generated at the joint of the cantilever 6 and the bottom of the key groove 3, and the maximum distance of downward movement of the connecting protrusion 7 after the key 4 is pressed is not less than the stroke of the switch 9. The connection protrusion 7 may be disposed at the bottom of the key 4, and connected to the suspended end of the cantilever 6, so as to deform the cantilever 6 when the key 4 is pressed. In another embodiment, the bottom of the key slot 3 is provided with a hollowed portion, one end of the cantilever 6 is connected with the cantilever bracket, the other end extends towards the hollowed portion, 2 cantilevers 6 extend into the hollowed portion, and the key hole 16 is located in a space surrounded by the 2 cantilevers. In other embodiments, the cantilever 6 is inclined towards the key 4, and the cantilever 6 can generate a resilience force when the key 4 is pressed without providing the connecting protrusion 7.

As shown in fig. 3 and 4, the key 4 is connected in the key groove by a fastening structure, and the preferred fastening structure is a fastening hole 14 provided at the bottom of the key groove 3 and a fastening piece 11 provided on the key 4. One end of the buckling piece 11 is vertically connected to the bottom of the key 4, and the other end penetrates through the buckling hole 14 and buckles the cantilever bracket so as to connect the key 4 on the cantilever bracket. Illustratively, the bottom of the key 4 is provided with two buckling pieces 11, and the two buckling pieces 11 are uniformly distributed at the bottom of the key 4. Correspondingly, the bottom of the key slot 3 is also provided with two buckling holes 14 corresponding to the buckling pieces 11.

Preferably, one end of the buckling piece 11 buckling cantilever bracket is a buckling bulge 12, the buckling bulge 12 is provided with an inner side wall of the vertical buckling piece 11, and the inner side wall of the buckling bulge 12 is connected with the back surface of the cantilever bracket along the edge of the buckling hole 14 after penetrating through the buckling hole 14 so as to connect the key 4 in the key groove 3 after penetrating through the buckling hole 14. Further, the buckling protrusion 12 is provided with an inclination angle 13, the inclination angle 13 is used for providing a guide when the buckling protrusion 12 penetrates through the buckling hole 14, and the outer side edge of the buckling hole 14 is also provided with the inclination angle 13, which is used for being matched with the inclination angle 13 on the buckling protrusion 12, so that the buckling key 4 penetrates through the buckling hole 14 more smoothly.

Preferably, the bottom of the key slot 3 is further provided with a positioning hole 15, the bottom of the key 4 is provided with a positioning column 10, one end of the positioning column 10 is vertically connected with the key 4, and the other end of the positioning column penetrates through the positioning hole 15, so as to provide guidance when the key 4 is connected with the bottom of the key slot 3, and further prevent the key 4 from rotating after the key 4 is connected in the key slot 3. The bottom of the key 4 is provided with two symmetrically distributed positioning columns 10, and the bottom of the key slot 3 is correspondingly provided with two positioning slots, so that guiding is more conveniently provided.

In a specific embodiment, the travel of the switch 9 is not greater than the distance from the bottom of the key slot 3 before the key 4 is pressed. For example, the stroke of the switch 9 is 0.5mm, and the distance between the key 4 and the bottom of the key slot 3 is equal to 0.5mm, so that the key 4 can be pressed. Preferably, the connecting protrusion 7 on the cantilever 6 lifts the bottom of the key 4, so that the key 4 is spaced from the bottom of the key slot 3 by 0.5mm, i.e. the height of the connecting protrusion 7 is 0.5mm. After the key 4 is pressed, the connecting convex contact 7 is moved, the key 4 is attached to the bottom of the key groove 3, at the moment, the key 4 moves to the maximum distance, and the switch 9 is triggered; after the key 4 is released, the cantilever 6 jacks up the key 4 through the connecting protrusion 7, so that the key 4 rebounds.

The beneficial effects are that: according to the utility model, through the cantilever in the cantilever bracket arranged on the external switch, the key generates resilience force under the action of the cantilever when being pressed down, and the key automatically rebounds after being released. When the key is pressed, the key has better pressing hand feeling due to the rebound force generated by the cantilever. And when the stroke of the switch is shorter, the cantilever can still provide resilience force, so that the stiffness when the key is pressed is reduced, the use experience of a user is improved, and meanwhile, the production cost can be saved by adopting the cantilever.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. The rebound type key structure is characterized by comprising a cantilever bracket and keys, wherein the cantilever bracket and the keys are erected in the rebound direction of an external switch;

2. The rebounding key structure according to claim 1, wherein the cantilever and the key are in buckling connection through a buckling structure, one part of the buckling structure is arranged on the key, and the other part of the buckling structure is arranged on the cantilever bracket.

3. The rebounding key structure according to claim 2, wherein the buckling structure comprises buckling holes arranged in the cantilever bracket and buckling pieces arranged on the key;

4. The rebounding key structure according to claim 1, wherein a positioning hole is formed in the cantilever bracket, and a positioning column which is not contacted with an external switch is arranged on the key;

5. The structure of claim 1, wherein the end of the cantilever that contacts the key is spaced from the top surface of the key hole by a distance not less than the stroke of the external switch.

6. A rebounding key structure according to claim 1, wherein a connecting protrusion is arranged on one end of the cantilever contacted with the key, so as to connect the key through the connecting protrusion, so that the cantilever is deformed by the connecting protrusion after the key is pressed.

7. The structure of claim 6, wherein the height of the connecting protrusion is not less than the stroke of the external switch.

8. The rebounding key structure according to claim 1, wherein a hollowed-out part is arranged in the cantilever bracket, one end of the cantilever is connected with the cantilever bracket, and the other end extends towards the hollowed-out part;

9. The rebounding key structure according to claim 1, wherein a key pressing groove is further formed in the cantilever support, the key is connected in the key pressing groove, and the key hole and the cantilever are both formed in the bottom of the key pressing groove.

10. The structure of claim 9, wherein the depth of the key slot is greater than the thickness of the key.