CN219105978U - Key assembly and electronic equipment - Google Patents

Abstract

The utility model relates to the technical field of electronics, and provides a key assembly and electronic equipment, wherein the key assembly comprises a shell, a key cap, an elastic piece and an electronic switch; the shell is provided with a mounting groove, and the key cap is rotationally arranged in the mounting groove; at least two bulges are arranged on the inner side of the keycap along the length direction of the keycap, an electronic switch opposite to each bulge is arranged in the shell, an elastic piece is correspondingly arranged on the peripheral side of each bulge, a through hole corresponding to each bulge is arranged at the bottom of the mounting groove, and the at least two bulges are opposite to the corresponding electronic switch after penetrating through the corresponding through hole; the keycap can be pressed so that at least two protrusions are abutted against corresponding electronic switches, and the elastic piece can provide reset force for the keycap. The periphery of each bulge is correspondingly provided with an elastic piece, and the key cap has a pre-supporting force, so that the key cap can be prevented from generating virtual shaking in the mounting groove; the key cap is rotationally arranged in the mounting groove, so that the problem that the two handles are inconsistent due to the fact that the heights of the two bulges at the left side and the right side are different can be solved.

Description

Key assembly and electronic equipment

Technical Field

The present utility model relates to the field of electronic technologies, and in particular, to a key assembly and an electronic device.

Background

In the current electronic products, the physical key can transmit real-time physical touch feeling to users, so that the electronic products still have wider application.

Because the button is higher than the complete machine side, when the side that the button is located receives the impact, whole impact force can directly act on the side button, and the power that the side button received directly transmits again for button boss and electronic switch, leads to button boss to produce deformation, if the button boss produces unrecoverable's deformation, button boss will break away from the contact with electronic switch, leads to pressing down the feel and weakens, and the response is not sensitive enough.

Disclosure of Invention

The utility model provides a key assembly and electronic equipment, which are used for solving the problem that the pressing hand feeling of a side key is weakened and the response is not sensitive enough under the condition that external force acts on the side key in the prior art.

In a first aspect, the present utility model provides a key assembly comprising: the electronic switch comprises a shell, a key cap, an elastic piece and an electronic switch;

the shell is provided with a mounting groove, and the keycap is rotationally arranged in the mounting groove; at least two bulges are arranged on the inner side of the keycap along the length direction of the keycap, an electronic switch opposite to each bulge is arranged in the shell, the elastic piece is correspondingly arranged on the periphery side of each bulge, a through hole corresponding to each bulge is arranged at the bottom of the mounting groove, and the at least two bulges are opposite to the corresponding electronic switch after penetrating through the corresponding through hole; the key cap can be pressed so that the at least two protrusions are abutted against the corresponding electronic switch, and the elastic piece can provide reset force for the key cap.

According to the key assembly provided by the utility model, the two opposite sides of the key cap are provided with the rotating shafts, and the extending direction of each rotating shaft is the same as the width direction of the key cap;

the two opposite groove walls of the mounting groove are provided with round rotating shaft holes, each round rotating shaft hole is arranged at intervals with the groove bottom of the mounting groove, and each rotating shaft is in rotary connection with the corresponding round rotating shaft hole.

According to the key assembly provided by the utility model, the inner side of the key cap is provided with the arc-shaped supporting part, the arc-shaped supporting part is positioned between the two rotating shafts, the bending direction of the arc-shaped supporting part is the same as the length direction of the key cap, the bottom of the mounting groove is provided with the arc-shaped guiding part, the extending direction of the arc-shaped guiding part is the same as the length direction of the key cap, and the arc-shaped supporting part is in rotary fit with the arc-shaped guiding part.

According to the key assembly provided by the utility model, the two opposite sides of the key cap are provided with the rotating shafts, the extending direction of each rotating shaft is the same as the width direction of the key cap, the inner side of the key cap is provided with the arc-shaped supporting part, the arc-shaped supporting part is positioned between the two rotating shafts, and the bending direction of the arc-shaped supporting part is the same as the length direction of the key cap;

the casing is equipped with the depressed part, the depressed part with the inner wall of casing leaves the clearance, the depressed part forms the mounting groove, two relative cell walls of mounting groove are equipped with semi-circular pivot hole, the tank bottom of mounting groove is equipped with arc direction portion, the extending direction of arc direction portion with the length direction of key cap is the same, and extends to semi-circular pivot hole department, semi-circular pivot hole with arc direction portion cooperation is formed with the rotation space, every the pivot with corresponding the rotation space rotates to be connected, arc supporting part with arc direction portion normal running fit.

According to the key assembly provided by the utility model, a plurality of arc-shaped supporting parts are arranged at intervals along the width direction of the keycap.

According to the key assembly provided by the utility model, the arc-shaped supporting part is arranged at the edge of the inner side of the key cap, and the rotating shaft is arranged at the outer side of the arc-shaped supporting part.

According to the key assembly provided by the utility model, the arc-shaped guide part is provided with the notch at the position opposite to the semicircular rotating shaft hole.

According to the key assembly provided by the utility model, the inner side of the key cap is provided with the groove, and the extending direction of the groove is the same as the length direction of the key cap.

According to the key assembly provided by the utility model, the key cap and the bulge are of an injection-molded integrated structure; and/or the number of the groups of groups,

the hardness of the key cap is greater than that of the protrusion.

In a second aspect, the present utility model further provides an electronic device, including the key assembly described above.

According to the key assembly and the electronic equipment provided by the utility model, the elastic piece is correspondingly arranged on the peripheral side of each bulge, and the opposite ends of the elastic piece are respectively abutted against the inner side of the key cap and the bottom of the mounting groove, so that the key cap has a pre-supporting force, the problem that the key cap is subjected to virtual position shaking in the mounting groove can be improved to a certain extent, the key cap is prevented from producing a loose feeling, and the experience feeling is further improved; in addition, the key cap is rotationally arranged in the mounting groove, so that the problem that the two convex handles are inconsistent due to different heights of the two protrusions on the left side and the right side can be solved, that is, the two convex handles are consistent by self-adaption and self-adjustment of the key cap.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a key assembly according to the present utility model;

FIG. 2 is an exploded view of a key assembly according to the present utility model;

FIG. 3 is a schematic diagram of a key cap according to the present utility model;

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

FIG. 5 is one of the partial schematic views of the upper housing provided by the present utility model;

FIG. 6 is a second schematic view of a portion of the upper housing provided by the present utility model;

fig. 7 is a partial cross-sectional view of a key assembly provided by the present utility model.

Reference numerals:

1. a housing; 11. an upper housing; 111. a mounting groove; 112. an arc-shaped guide part; 113. a semicircular rotation shaft hole; 114. a via hole; 115. a recessed portion; 116. a notch; 12. a lower housing; 13. an accommodation space;

2. a key cap; 21. a limit column; 22. a protrusion; 221. a limiting hole; 23. a rotating shaft; 24. an arc-shaped supporting part; 25. a groove;

3. an elastic member;

4. a circuit board; 41. an electronic switch;

5. a bracket; 51. and (5) supporting the column.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

As shown in fig. 1, 2, 5 and 7, a key assembly according to an embodiment of the present utility model includes: a housing 1, a key cap 2, an elastic member 3, and an electronic switch 41.

The shell 1 is provided with a mounting groove 111, the key cap 2 is rotatably arranged in the mounting groove 111, and a gap is reserved between the inner side of the key cap 2 and the bottom of the mounting groove 111 in order to realize that the key cap 2 can rotate relative to the mounting groove 111; at least two bulges 22 are arranged on the inner side of the keycap 2 along the length direction, an accommodating space 13 is arranged in the shell 1, an electronic switch 41 opposite to each bulge 22 is arranged in the accommodating space 13, an elastic piece 3 is correspondingly arranged on the periphery side of each bulge 22, each elastic piece 3 is positioned in a mounting groove 111, a through hole 114 corresponding to each bulge 22 is arranged at the bottom of each mounting groove 111, and at least two bulges 22 are opposite to the corresponding electronic switch 41 after penetrating through the corresponding through hole 114; the key cap 2 can be pressed so that at least two protrusions 22 abut against corresponding electronic switches 41, and the elastic member 3 can provide a restoring force to the key cap 2. The electronic switch 41 may be a wave plate, a membrane switch, or the like.

In addition, two protrusions 22 are provided on the inner side of the key cap 2 in the longitudinal direction, two through holes 114 corresponding to the two protrusions 22 are provided at the bottom of the mounting groove 111, and two electronic switches 41 corresponding to the two protrusions 22 are provided in the accommodating space 13. Wherein the two protrusions 22 may correspond to "+" and "-" respectively, which adjust the volume.

It will be appreciated that in the case where two protrusions 22 are provided on the inner side of the key cap 2 in the longitudinal direction, the two protrusions 22 are symmetrically arranged with respect to the center line of the key cap 2 in the longitudinal direction, and the key cap 2 is rotated in the center line of the key cap 2 in the longitudinal direction. Wherein each protrusion 22 may be a cylindrical structure.

Specifically, the housing 1 includes an upper housing 11 and a lower housing 12, the housing 1 has a certain thickness, the upper housing 11 is detachably connected to the lower housing 12, and the upper housing 11 and the lower housing 12 enclose an accommodating space 13. The mounting groove 111 is disposed on the upper surface of the upper housing 11, i.e. the surface that can be touched by a user, and the cross section of the mounting groove 111 should be adapted to the key cap 2.

Wherein the outside of the key cap 2, i.e. the side facing away from the mounting groove 111, may be provided with an identification layer, such as numerals, patterns or letters, etc.

When the key cap 2 is mounted into the mounting groove 111, the elastic member 3 is located between the protrusion 22 and the mounting groove 111. Wherein, the elastic piece 3 can be ring-shaped, and the elastic piece 3 is sleeved on the circumference of the bulge 22; alternatively, the elastic member 3 may include a plurality of circular arc segments uniformly distributed on the circumferential side of the protrusion 22.

Illustratively, the elastic member 3 is a foam ring or an elastic plastic ring, and in the case that the elastic member 3 is a foam ring, the foam ring is in an initial compressed state, and the pre-compression amount of the foam ring is about 10% -20% of the thickness of the foam ring, so that the key cap 2 always has a holding force to avoid shaking.

The elastic member 3 is exemplified as an elastic plastic ring. The elastic plastic ring is sleeved and fixed on the periphery of the protrusion 22 and is positioned in the mounting groove 111, under the condition that the key cap 2 is pressed, the elastic plastic ring is propped against the groove bottom of the mounting groove 111 to deform, the protrusion 22 can be propped against the electronic switch 41 at the moment, and after the external force for pressing the key cap 2 is removed, the elastic plastic ring can release elasticity (restoring force) to restore the key cap 2, and the protrusion 22 can be separated from the electronic switch 41 at the moment.

Illustratively, the elastic member 3 may be a spring, which is disposed in the mounting groove 111 and sleeved on the periphery of the protrusion 22, one end of the spring abuts against the bottom of the mounting groove 111, and the other end of the spring abuts against the inner side of the key cap 2. When the key cap 2 is pressed, the spring is compressed to accumulate the elastic force, the protrusion 22 can be abutted against the electronic switch 41 at this time, after the external force for pressing the key cap 2 is removed, the spring releases the elastic force to reset the key cap 2, and at this time, the protrusion 22 can be separated from the electronic switch 41, and the structure adopting the spring has the advantages of low cost and simple arrangement.

The bottom of the mounting groove 111 is provided with a via hole 114, the via hole 114 penetrates through the bottom of the groove and is opposite to the protrusion 22, wherein the size of the via hole 114 is larger than that of the protrusion 22, and the periphery of the protrusion 22 is attached to the wall of the via hole 114, so that the protrusion 22 can penetrate through the via hole 114 and can reciprocate up and down in the via hole 114.

It should be noted that, the shape of the via hole 114 is also adapted to the shape of the bump 22, the inner wall of the via hole 114 is a smooth inner wall, and the center of the via hole 114 and the center of the bump 22 should be on the same straight line, so as to improve the stability of the contact between the bump 22 and the electronic switch 41, and avoid the shaking or blocking of the key cap 2.

The position of the electronic switch 41 corresponds to the boss 22, and the center of the electronic switch 41 and the center of the boss 22 are on the same straight line, so as to ensure the reliability of the abutting of the boss 22 and the electronic switch 41.

In the embodiment of the utility model, the periphery of each protrusion 22 is correspondingly provided with the elastic piece 3, and the opposite ends of the elastic piece 3 are respectively abutted against the inner side of the key cap 2 and the bottom of the mounting groove 111, so that the key cap 2 has a pre-supporting force, the problem that the key cap 2 is subjected to virtual-position shaking in the mounting groove 111 can be improved to a certain extent, the key cap 2 is prevented from producing a loose feeling, and the experience feeling is further improved; in addition, the key cap 2 is rotatably disposed in the mounting groove 111, so that the problem of inconsistent hand feeling caused by different heights of the two protrusions on the left and right sides can be solved, that is, the hand feeling of pressing the two protrusions 22 is consistent through self-adaption and self-adjustment of the key cap 2.

In an alternative embodiment, as shown in fig. 4, two opposite sides of the key cap 2 are provided with rotating shafts 23, and each rotating shaft 23 extends in the same direction as the width direction of the key cap 2, and the two rotating shafts 23 are symmetrically disposed on two outer sides of the key cap 2, where the outer sides refer to sides attached to the walls of the mounting groove 111 in the width direction of the key cap 2.

Wherein each of the rotation shafts 23 may be integrally formed with the key cap 2.

The opposite two groove walls of the mounting groove 111 are provided with circular rotating shaft holes, and in order to enable the key cap 2 to rotate relative to the mounting groove 111, each circular rotating shaft hole is arranged at intervals with the groove bottom of the mounting groove 111, and each rotating shaft 23 is rotatably connected with the corresponding circular rotating shaft hole.

Specifically, the key cap 2 is clamped in the circular rotating shaft hole through the rotating shaft 23, the length of the rotating shaft 23 needs to be extended into the circular rotating shaft hole, so that the key cap 2 is fixed, and the clamping installation mode is simple and quick to operate. The key cap 2 itself has a certain elastic property, that is, the key cap 2 can deform in the width direction under the action of external force, so that the assembly of the rotating shaft 23 and the circular rotating shaft hole is facilitated.

In an alternative embodiment, as shown in fig. 4, an arc-shaped supporting portion 24 is provided on the inner side of the key cap 2, the arc-shaped supporting portion 24 is located between two rotating shafts 23, and the bending direction of the arc-shaped supporting portion 24 is the same as the length direction of the key cap 2. Wherein the arc-shaped support 24 is also located between the two protrusions 22.

It should be noted that the arc-shaped supporting portion 24 may be disposed at the symmetrical center of the two rotating shafts 23 and also located at the center of the keycap 2 to achieve the balancing function. The arc-shaped supporting part 24 and the rotating shaft 23 jointly play a role in supporting the keycap 2, so that stability of the keycap 2 in the rotating process is improved.

Further, the bottom of the mounting groove 111 is provided with an arc-shaped guiding part 112, the extending direction of the arc-shaped guiding part 112 is the same as the length direction of the key cap 2, and the arc-shaped guiding part 112 is matched with the shape of the arc-shaped supporting part 24.

Specifically, when the key cap 2 is assembled to the mounting groove 111, the rotation shaft 23 is snapped into the circular rotation shaft hole, and at this time, at least part of the arc-shaped supporting portion 24 is embedded in the arc-shaped guiding portion 112. Under the condition that the right side of the key cap 2 is pressed by external force, the rotating shaft 23 rotates clockwise in the circular rotating shaft hole, the arc-shaped supporting part 24 also rotates clockwise in the arc-shaped guiding part 112, when the external force is eliminated, the rotating shaft 23 rotates anticlockwise together with the arc-shaped supporting part 24 under the action of the elastic force provided by the elastic piece 3, namely, the key cap 2 can realize self-adaptive rotation of the rotating shaft 23 and the arc-shaped supporting part 24.

In an alternative embodiment, as shown in fig. 4 and 5, two opposite sides of the key cap 2 are provided with rotating shafts 23, an extending direction of each rotating shaft 23 is the same as a width direction of the key cap 2, an arc-shaped supporting portion 24 is provided on an inner side of the key cap 2, the arc-shaped supporting portion 24 is located between the two rotating shafts 23, and a bending direction of the arc-shaped supporting portion 24 is the same as a length direction of the key cap 2.

In addition, as shown in fig. 6, the housing 1 is provided with a recess 115, the recess 115 and the inner wall of the housing 1 leave a gap, the recess 115 forms a mounting groove 111, two opposite groove walls of the mounting groove 111 are provided with semicircular rotating shaft holes 113, each semicircular rotating shaft hole 113 can be communicated with the accommodating space 13, the bottom of the mounting groove 111 is provided with an arc-shaped guide part 112, the extending direction of the arc-shaped guide part 112 is the same as the length direction of the key cap 2, and extends to the semicircular rotating shaft hole 113, the semicircular rotating shaft holes 113 and the arc-shaped guide parts 112 are matched to form a rotating space, each rotating shaft 23 is connected with the corresponding rotating space in a rotating way, and the arc-shaped support part 24 is in rotating fit with the arc-shaped guide parts 112.

It is understood that the upper case 11 is provided with the recess 115, and the mounting groove 111 is formed by the recess 115, so that the utilization rate of the accommodating space 13 can be improved, and the requirement for the wall thickness of the upper case 11 is reduced.

The arc-shaped guide part 112 penetrates through the bottom of the mounting groove 111 and extends to the semicircular rotating shaft hole 113, and the arc-shaped guide part 112 and the semicircular rotating shaft hole 113 can jointly form a rotating space required by the rotating shaft 23.

It should be noted that, in order to adapt to the shape and size of the rotating shaft 23, the radius of the arc-shaped guiding portion 112 is equal to the radius of the semicircular rotating shaft hole 113, that is, the rotating space can be a complete circle so as to match with the rotating shaft 23, so as to ensure the smoothness of rotation.

In the embodiment of the present utility model, when the key cap 2 is mounted to the mounting groove 111, the rotating shaft 23 is clamped into the rotating space formed by the semicircular rotating shaft hole 113 and the arc-shaped guiding portion 112, and at least part of the arc-shaped supporting portion 24 is rotatably disposed in the arc-shaped guiding portion 112. At this time, at least part of the rotating shaft 23 can abut against the arc-shaped guide portion 112.

In an alternative embodiment, as shown in fig. 4, in order to further improve the stability of the key cap 2 during rotation, a plurality of arc-shaped supporting portions 24 are provided, and a plurality of arc-shaped supporting portions 24 are disposed at intervals along the width direction of the key cap 2. Wherein, each arc-shaped supporting portion 24 is integrally formed with the keycap 2, and the number of the arc-shaped supporting portions 24 can be selected according to the width of the keycap 2, which is not limited herein.

In addition, the arc-shaped supporting portions 24 have a certain thickness in the width direction of the key cap 2, and the arc-shaped radii of the respective arc-shaped supporting portions 24 are equal. For example, the arc-shaped supporting parts 24 may be three, and the three arc-shaped supporting parts 24 are disposed at equal intervals, wherein the thickness of the arc-shaped supporting part 24 in the middle may be greater than the thickness of the arc-shaped supporting parts 24 located at both sides thereof.

In the embodiment of the utility model, the arc-shaped guide part 112 can limit and guide the rotation of the arc-shaped support part 24, so that the arc-shaped support part 24 can only rotate in the arc-shaped guide part 112, and under the condition that the key cap 2 is pressed by external force, the key cap 2 can correspondingly rotate by taking the arc-shaped support part 24 as a fulcrum, thereby improving the stability and reliability of the structure.

In an alternative embodiment, as shown in fig. 4, in order to facilitate the arrangement of the rotation shaft 23, an arc-shaped support portion 24 is provided at the inner edge of the key cap 2, and the rotation shaft 23 is provided at the outer side of the arc-shaped support portion 24. Wherein the rotation shaft 23 and the arc-shaped supporting portion 24 are integrally formed.

The outer side of the arc-shaped supporting portion 24 refers to the side facing the groove wall of the mounting groove 111, and the inner side of the arc-shaped supporting portion 24 refers to the side facing the adjacent arc-shaped supporting portion 24.

In this case, the rotation shaft 23 is located in the rotation space, and the arc-shaped support portion 24 provided with the rotation shaft 23 can be abutted against the groove wall of the installation groove 111.

In an alternative embodiment, as shown in fig. 6, the arcuate guide 112 is provided with a notch 116 opposite the semi-circular pivot hole 113.

It should be noted that, due to the existence of the notch 116, at least part of the rotating shaft 23 is in running fit with the semicircular rotating shaft hole 113, and at this time, the arc-shaped supporting portion 24 is in running fit with the arc-shaped guiding portion 112, so that 360 ° of rotation support can be ensured in the rotation process of the key cap 2 relative to the mounting groove 111, and rotation stability and reliability are ensured.

In the embodiment of the present utility model, the arc-shaped guide portion 112 and the semicircular rotation shaft hole 113 communicate with the accommodation space 13 through the notch 116, thereby facilitating the reverse molding of the upper housing 11.

In an alternative embodiment, as shown in fig. 4, the inside of the key cap 2 is provided with a groove 25, and the extending direction of the groove 25 is the same as the length direction of the key cap 2.

For example, the groove 25 is provided in the middle of the adjacent two arc-shaped supporting portions 24.

It should be noted that, the key cap 2 is assembled with the mounting groove 111 in a post-assembled manner, and since the lengths of the two ends of the rotating shaft 23 exceed the width of the mounting groove 111, the key cap 2 is required to deform to a certain extent, so that the rotating shaft 23 can be clamped into the semicircular rotating shaft hole 113, the inner side of the key cap 2 is provided with the groove 25 to enable the key cap 2 to form an elastic arm structure, at this time, the key cap 2 can be extruded, the groove 25 is reduced, and when the assembly is completed, the key cap 2 is restored to be normal. The key cap 2 has an elastic arm structure, can be assembled into the mounting groove 111 more easily, and is fixed reliably.

In an alternative embodiment, as shown in fig. 3 and 4, the key cap 2 and the protrusion 22 are an injection molded integral structure.

Wherein, the inboard of key cap 2 is provided with spacing post 21, and protruding 22 is provided with spacing hole 221, and spacing post 21 and spacing hole 221 assembly make the connected mode more firm, avoid protruding 22 to appear rocking relative key cap 2, have improved the reliability of pressing.

In addition, the hardness of the key cap 2 is greater than that of the protrusion 22, and the hardness of the protrusion 22 is between 60A and 80A.

It can be appreciated that when the key cap 2 is pressed, one end of the protrusion 22 away from the key cap 2 can be in contact with the electronic switch 41, and the flexible protrusion 22 can realize soft contact between the protrusion 22 and the electronic switch 41, so that damage to the structure of the electronic switch 41 is avoided, and the service life is prolonged.

In addition, the embodiment of the utility model also provides electronic equipment, which comprises the key assembly.

The electronic device further includes a circuit board 4, the circuit board 4 is disposed in the accommodating space 13, and the electronic switch 41 is disposed on a surface of the circuit board 4 facing the keycap 2.

In addition, the circuit board 4 is provided in the accommodation space 13 via the bracket 5. The bracket 5 is provided with a support column 51, the bracket 5 is connected with the lower housing 12 through the support column 51, and the bracket 5 has a mounting surface for supporting and connecting the circuit board 4, the mounting surface being located on a side of the bracket 5 facing the upper housing 1. Wherein the mounting surface is adapted to the shape of the circuit board 4, thereby making the connection of the circuit board 4 more stable.

Specifically, since the electronic device includes the key assembly as described above, and the specific structure of the key assembly refers to the above embodiment, the electronic device shown in this embodiment includes all the technical solutions of the above embodiment, so at least all the beneficial effects obtained by all the technical solutions are not described in detail herein.

In the embodiment of the utility model, the electronic equipment comprises, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer and the like. The embodiment of the utility model does not limit the specific type of the electronic equipment.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A key assembly, comprising: the electronic switch comprises a shell, a key cap, an elastic piece and an electronic switch;

the shell is provided with a mounting groove, and the keycap is rotationally arranged in the mounting groove; at least two bulges are arranged on the inner side of the keycap along the length direction of the keycap, an electronic switch opposite to each bulge is arranged in the shell, the elastic piece is correspondingly arranged on the periphery side of each bulge, a through hole corresponding to each bulge is arranged at the bottom of the mounting groove, and the at least two bulges are opposite to the corresponding electronic switch after penetrating through the corresponding through hole; the key cap can be pressed so that the at least two protrusions are abutted against the corresponding electronic switch, and the elastic piece can provide reset force for the key cap.

2. The key assembly according to claim 1, wherein the key caps are provided with rotating shafts on opposite sides thereof, and each of the rotating shafts has an extending direction identical to a width direction of the key caps;

the two opposite groove walls of the mounting groove are provided with round rotating shaft holes, each round rotating shaft hole is arranged at intervals with the groove bottom of the mounting groove, and each rotating shaft is in rotary connection with the corresponding round rotating shaft hole.

3. The key assembly according to claim 2, wherein an arc-shaped supporting portion is arranged on the inner side of the key cap, the arc-shaped supporting portion is located between the two rotating shafts, the bending direction of the arc-shaped supporting portion is identical to the length direction of the key cap, an arc-shaped guiding portion is arranged at the bottom of the mounting groove, the extending direction of the arc-shaped guiding portion is identical to the length direction of the key cap, and the arc-shaped supporting portion is in running fit with the arc-shaped guiding portion.

4. The key assembly according to claim 1, wherein the key cap is provided with rotating shafts on opposite sides thereof, an extending direction of each rotating shaft is the same as a width direction of the key cap, an arc-shaped supporting portion is provided on an inner side of the key cap, the arc-shaped supporting portion is located between the two rotating shafts, and a bending direction of the arc-shaped supporting portion is the same as a length direction of the key cap;

the casing is equipped with the depressed part, the depressed part with the inner wall of casing leaves the clearance, the depressed part forms the mounting groove, two relative cell walls of mounting groove are equipped with semi-circular pivot hole, the tank bottom of mounting groove is equipped with arc direction portion, the extending direction of arc direction portion with the length direction of key cap is the same, and extends to semi-circular pivot hole department, semi-circular pivot hole with arc direction portion cooperation is formed with the rotation space, every the pivot with corresponding the rotation space rotates to be connected, arc supporting part with arc direction portion normal running fit.

5. The key assembly of claim 4, wherein the plurality of arc-shaped supporting portions are arranged at intervals along the width direction of the key cap.

6. The key assembly of claim 4, wherein the inner side of the key cap is provided with the arc-shaped supporting portion at an edge, and the outer side of the arc-shaped supporting portion is provided with the rotation shaft.

7. The key assembly of claim 4, wherein the arcuate guide portion is notched opposite the semi-circular pivot hole.

8. The key assembly according to claim 2 or 4, wherein the key cap is provided with a groove on an inner side thereof, and the extending direction of the groove is the same as the length direction of the key cap.

9. The key assembly of claim 1, wherein the key cap and the protrusion are an injection molded unitary structure; and/or the number of the groups of groups,

the hardness of the key cap is greater than that of the protrusion.

10. An electronic device comprising a key assembly according to any one of claims 1 to 9.

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