CN218896575U - Electronic equipment - Google Patents

Abstract

An electronic device relates to the technical field of keys and is used for solving the problem that components on a key switch are easy to damage, and the electronic device comprises a shell, a circuit board, the key switch, a key cap and an elastic piece, wherein an accommodating cavity is formed in the shell, and a key hole communicated with the accommodating cavity is formed in the shell; the circuit board is fixed in the accommodating cavity; the key switch is positioned on one side of the circuit board close to the key hole, the key switch comprises a key body and a key rod, the key body is connected with the key rod, the key body is fixed on the circuit board and is electrically connected with the circuit board, and the key rod is positioned between the key hole and the key body; at least part of the keycap extends into the accommodating cavity through the key hole, a first groove is formed in at least part of the keycap, a through hole is formed in the keycap, and the through hole is communicated with the first groove; the elastic piece is fixed in the first groove, a second groove is formed in the elastic piece, the key rod at least partially stretches into the second groove, and the key rod is fixed with the elastic piece. The electronic device and the electronic device are used for realizing the electronic functions of the electronic device.

Description

Electronic equipment

Technical Field

The application relates to the technical field of keys, in particular to an electronic device.

Background

The five-way key is a component with key functions in the vertical direction, and is mainly applied to mobile terminal equipment such as mobile phones, digital cameras, mp3, remote controllers and the like.

In the related art, a five-way key mainly comprises a shell, a key cap, a key switch (five-way key switch) and a circuit board, wherein the key switch comprises a key switch and a key rod which are mutually connected, the key switch is fixed on the circuit board and is electrically connected with the circuit board, and the key rod is arranged on one side of the key switch far away from the circuit board; the key cap is arranged on one side of the key switch, which is far away from the circuit board, the key cap is provided with a groove body, and the key rod extends into the groove body. When in use, the key lever is driven to move by pressing the key cap, so that the key switch acts.

However, because the keycap is directly contacted with the key rod, when the keycap is subjected to severe impact, the force on the keycap can be directly transmitted to the key rod so as to act on the key switch, and therefore components on the key switch can be damaged.

Disclosure of Invention

The application provides electronic equipment for solve the problem that components and parts on the key switch are easy to damage.

The application provides electronic equipment, which comprises a shell, a circuit board, a key switch, a key cap and an elastic piece, wherein an accommodating cavity is formed in the shell, and a key hole communicated with the accommodating cavity is formed in the shell; the circuit board is fixed in the accommodating cavity; the key switch is positioned on one side of the circuit board close to the key hole, the key switch comprises a key body and a key rod, the key body is connected with the key rod, the key body is fixed on the circuit board and is electrically connected with the circuit board, and the key rod is positioned between the key hole and the key body; at least part of the keycap extends into the accommodating cavity through the key hole, a first groove is formed in at least part of the keycap, a through hole is formed in the keycap, and the through hole is communicated with the first groove; the elastic piece is fixed in the first groove, part of the elastic piece stretches into the through hole, the elastic piece is provided with a second groove, at least part of the key rod stretches into the second groove, and the key rod is fixed with the elastic piece.

The electronic equipment in this application, when using, press the key cap, the power can pass to the elastic component through the key cap on, and then on the conduction to the key lever to make the key lever take place the action, because key lever and button body coupling, the action of key lever can drive the key switch and act, with this function that realizes electronic equipment.

Because the elastic element is arranged in the first groove, and the key rod extends into the second groove, when external force is applied to the key cap, the elastic element can be conducted to the elastic element, and certain elastic deformation can be generated on the elastic element, so that a part of the elastic element extends out of the first groove through the through hole, the force applied to the key rod is reduced, the force applied to the key body is reduced, the impact of the external force on components on the key body is reduced, and the damage of the components is avoided. The elastic piece is utilized to provide a buffer effect for the key switch.

In some embodiments of the present application, the through holes are provided in plurality, and the plurality of through holes are disposed at intervals around the length direction of the key lever.

The key cap is provided with the through holes, the elastic deformation space can be provided for the elastic piece by the through holes along the length direction of the rod around the through holes, so that the elastic piece can be better elastically deformed enough when being subjected to external force, the force applied to the elastic piece is better removed, the force applied to the key switch is further reduced, and damage to components on key switch light can be better avoided.

In some embodiments of the present application, the plurality of through holes are uniformly disposed around the length of the key bar in a circumferential direction, and the elastic member portion extends into each of the through holes.

Through the arrangement, when the elastic piece receives external forces in different directions, the elastic deformation of the elastic piece in each direction is uniform, so that the elastic piece can uniformly remove the force received by the elastic piece, and the components on the key switch can be better protected.

In some embodiments of the present application, the elastic member is composed of a polyurethane thermoplastic elastomer, and the key cap is composed of acrylonitrile-butadiene-styrene plastic.

The key cap is made of acrylonitrile-butadiene-styrene plastic, and the acrylonitrile-butadiene-styrene plastic has the advantages of high strength, good toughness, easiness in processing and forming and the like, and the structural strength of the key cap can be ensured by adopting the material because the key is exposed outside, so that the key cap is suitable for the application scene.

The elastic piece is made of polyurethane thermoplastic elastomer, and the polyurethane thermoplastic elastomer has the advantages of good elasticity, high strength and the like, can better generate elastic deformation, better plays the roles of buffering and damping, and is suitable for the application scene.

In some embodiments of the present application, the elastic member and the key cap are integrally formed.

The elastic piece and the key cap are processed into an integrated structure, so that the integral structural strength of the elastic piece and the key cap can be improved. And in the process of processing, secondary processing is not needed, and the processing is simple and convenient.

In some embodiments of the present application, the elastic member is filled in the second groove.

The second groove is filled with the elastic piece, so that the surface of the elastic piece is fully contacted with the inner wall of the second groove, and the force applied to the keycap can act on the elastic piece from multiple directions, and the elastic piece can have a buffering effect when the keycap is applied with force in any direction.

In some embodiments of the present application, the spacing protrusion is fixed on the inner wall of the second groove, and the plurality of spacing protrusions are arranged at intervals around the length direction of the key rod and are abutted with the key rod.

The key rod is clamped in the second groove by utilizing the plurality of limiting protrusions, so that the key cap and the key rod can be conveniently installed and detached.

In some embodiments of the present application, the key cap includes a first portion and a second portion, the first recess being open on the first portion; the second part is arranged around the first part in the length direction of the key rod, is fixedly connected with the first part, is positioned in the accommodating cavity, and is positioned in the projection range of the orthographic projection of the surface of one side of the second part, which is close to the first part, on the shell.

Through the arrangement, as the key hole is positioned in the projection range of the orthographic projection on the surface of the side, close to the first part, of the second part, the key cap can be clamped in the accommodating cavity through the second part, and the key cap and the key rod can be prevented from being pulled off.

In some embodiments of the present application, a fool-proof hole is formed on the circuit board; the electronic equipment further comprises a limiting column, wherein the limiting column is arranged on one side, close to the circuit board, of the second part, and is fixedly connected with the second part, and at least part of the limiting column extends into the fool-proof hole.

For the multidirectional key switch, the key cap is provided with the directional icon, and the assembly error can be avoided when the key cap is assembled through the cooperation of the limiting column and the fool-proof hole.

In some embodiments of the present application, the electronic device further includes a plurality of anti-slip protrusions disposed on a side surface of the key cap away from the circuit board, and the plurality of anti-slip protrusions are disposed at intervals and fixedly connected with the key cap.

By providing the stud on the key cap, the user is prevented from slipping when pressing his hand onto the key cap.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and do not limit the utility model.

Fig. 1 is a schematic cross-sectional view of an electronic device in the related art;

fig. 2 is a schematic cross-sectional view of an electronic device according to an embodiment of the present disclosure;

fig. 3 is a schematic view of an external structure of a keycap according to an embodiment of the present application;

FIG. 4 is a schematic view of an assembled external structure of a key cap and an elastic member according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of another assembled external structure of the keycap and the elastic member according to the embodiment of the present application;

FIG. 6 is a schematic cross-sectional view of a key cap and spring assembly provided in accordance with an embodiment of the present application;

fig. 7 is another schematic cross-sectional view of an electronic device according to an embodiment of the present disclosure;

FIG. 8 is a schematic view of an external structure of a keycap and an elastic member according to an embodiment of the present disclosure;

fig. 9 is a schematic view of an external structure of a key cap and a housing assembled according to an embodiment of the present disclosure;

fig. 10 is a schematic diagram of an external structure of a circuit board and a keycap according to an embodiment of the present disclosure;

fig. 11 is a schematic view of another external structure of a key cap according to an embodiment of the present application.

Reference numerals: 10-an electronic device; 100-a housing; 110-a receiving cavity; 120-key hole; 200-a key cap; 210-a tank body; 220-a first groove; 230-a through hole; 240-first part; 250-a second part; 300-key body; 310-a key switch; 320-key bar; 400-a circuit board; 410-fool-proof hole; 500-elastic members; 510-a second groove; 600-limiting protrusions; 700-limiting columns; 800-anti-slip bump.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. In addition, when describing a pipeline, the terms "connected" and "connected" as used herein have the meaning of conducting. The specific meaning is to be understood in conjunction with the context.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The electronic device is widely applied to aspects of life, and based on the aspects, the application provides the electronic device, wherein the electronic device can be a television remote controller, a game machine, a mobile phone and the like, keys are arranged on some electronic devices for realizing electronic functions of the electronic device, and the keys are used for controlling the realization of the electronic functions of the electronic device. For example, a television remote control, a television needs to be controlled by using keys, and for example, a game machine needs to control a game interface by using keys.

In the related art, as shown in fig. 1, an electronic device 10 includes a housing 100, a key cap 200, a key switch 300 and a circuit board 400, the key switch 300 includes the key switch 300 and a key lever 320 connected to each other, the key switch 300 is fixed on the circuit board 400 and electrically connected to the circuit board 400, and the key lever 320 is disposed at a side of the key switch 300 away from the circuit board 400; the key cap 200 is disposed on a side of the key switch 300 away from the circuit board 400, and the key cap 200 has a slot 210, and the key rod 320 extends into the slot 210. In use, the key cap 200 is pressed to drive the key lever 320 to move, so that the key switch 300 acts, thereby realizing the electronic function.

However, since the key cap 200 is directly contacted with the key bar 320, when the key cap 200 is subjected to severe impact, the force on the key cap 200 is directly transferred to the key bar 320, and then acts on the key switch 300, so that the components on the key switch 300 are damaged.

Based on this, as shown in fig. 2, the electronic device 10 provided in the present application includes a housing 100, a circuit board 400 (printed circuit board, PCB), a key switch 300, a key cap 200 and an elastic member 500, wherein the housing 100 has a receiving cavity 110 inside, and as shown in fig. 3, the housing 100 is provided with a key hole 120 communicating with the receiving cavity 110; as shown in fig. 2, the circuit board 400 is fixed in the accommodating chamber 110; the key switch 300 is located at one side of the circuit board 400 near the key hole 120, the key switch 300 comprises a key body 310 and a key lever 320, the key body 310 is connected with the key lever 320, the key body 310 is fixed on the circuit board 400 and is electrically connected with the circuit board 400, and the key lever 320 is located between the key hole 120 and the key body 310; at least part of the key cap 200 extends into the accommodating cavity 110 through the key hole 120, a first groove 220 is formed in at least part of the key cap 200, a through hole 230 is formed in the key cap 200, and the through hole 230 is communicated with the first groove 220; as shown in fig. 2 and 4, the elastic member 500 is fixed in the first groove 220, and the elastic member 500 partially extends into the through hole 230, the elastic member 500 is provided with a second groove 510, the key rod 320 at least partially extends into the second groove 510, and the key rod 320 is fixed with the elastic member 500.

Through the above arrangement, when in use, force is transmitted to the elastic member 500 through the key cap 200 and then transmitted to the key lever 320, so that the key lever 320 acts, and the key lever 320 is connected with the key body 310, so that the key lever 320 acts to drive the key switch 300 to act, thereby realizing the electronic function.

Since the elastic member 500 is disposed in the first recess 220 and the key rod 320 extends into the second recess 510, as shown in fig. 5, when external force is applied to the key cap 200, the external force is transmitted to the elastic member 500, and the elastic member 500 is elastically deformed to a certain extent, so that a portion of the elastic member 500 extends out of the first recess 220 through the through hole 230, so that the force applied to the key rod 320 is reduced, and the force applied to the key body 310 is reduced, thereby reducing the impact of the external force on the components on the key body 310 and avoiding damage.

It can be appreciated that the shape and size of the through hole 230 can be adaptively designed according to the shape and structure of the key cap 200, for example, can be round, square or irregular, which is not particularly limited in this application.

The key switch 300 may be a five-way switch, which has key functions in up, down, left, right and vertical directions, and is suitable for adding and subtracting sounds on a television remote controller and exchanging application scenes of programs. In this case, the key cap 200 may be provided in a cylindrical shape, so that the peripheral wall surface of the key cap 200 is an arc surface, which is not easily worn. Of course, the key switch 300 may be of other suitable types.

As shown in fig. 6, a plurality of through holes 230 may be provided, for example, two, three, or four through holes 230 may be provided at intervals around the longitudinal direction of the key lever 320. In this way, the through holes 230 can provide the elastic deformation space for the elastic member 500 around the length direction of the through holes 230, so that the elastic member 500 can be elastically deformed sufficiently when being subjected to an external force, so that the force applied to the elastic member 500 can be removed better, the force applied to the key body 310 can be reduced, and the damage to components on the key body 310 can be avoided better.

Of course, one through hole 230 may be provided, and a deformation space is provided for the elastic member 500 by using one through hole 230.

In contrast to the plurality of through holes 230 which may be unevenly disposed about the length of the key 320, the plurality of through holes 230 may be evenly disposed about the length of the key 320 and the elastic member 500 partially extends into each of the through holes 230. In this way, when the elastic member 500 receives external forces in different directions, the elastic deformation of the elastic member 500 in each direction is uniform, so that the force received by the elastic member can be removed uniformly, and the components on the key body 310 can be better protected.

As shown in fig. 6, the key switch 300 is a five-way switch, four through holes 230 are formed, the sizes of the four through holes 230 are equal, the four through holes 230 are uniformly arranged around the length direction of the key rod 320, and the elastic member 500 partially extends into each through hole 230, so that the positions of the through holes 230 correspond to the front, rear, left and right directions of the five-way switch.

Through the above arrangement, when the key cap 200 is pressed, the elastic deformation degree of the elastic member 500 in the through hole 230 at the corresponding side is consistent when the key cap 200 is inclined in any direction, so that the force applied to the key cap 200 can be removed more uniformly, and the components on the key body 310 can be protected better.

In some embodiments, the resilient member 500 is comprised of a polyurethane thermoplastic elastomer (thermoplastic polyurethane elastomer, TPU) and the key cap 200 is comprised of an acrylonitrile butadiene styrene plastic (acrylonitrile butadiene styrene copolymers, ABS).

The key cap 200 is made of acrylonitrile-butadiene-styrene plastic, and the acrylonitrile-butadiene-styrene plastic has the advantages of high strength, good toughness, easy processing and forming and the like, and the key is exposed outside, so that the structural strength of the key cap 200 can be ensured and the hardness texture during pressing can be increased by adopting the material.

The elastic piece 500 is made of polyurethane thermoplastic elastomer, and the polyurethane thermoplastic elastomer has the advantages of good elasticity, high strength and the like, can better generate elastic deformation, and better plays roles of buffering and shock absorption. Through the matching of the acrylonitrile-butadiene-styrene plastic and the polyurethane thermoplastic elastomer, the structural strength is ensured, and the effects of buffering and shock absorption are achieved.

Experiments prove that the force born by components on the key body 310 can be improved by more than 20% by adopting the polyurethane thermoplastic elastomer and the acrylonitrile-butadiene-styrene plastic.

Of course, the key cap 200 may be made of any other suitable material, and the elastic member 500 may be made of any other suitable material, such as silicone, etc.

Wherein, the elastic piece made of the polyurethane thermoplastic elastomer can also adjust the color according to the requirement.

In order to better make the elastic member 500 perform the function of buffering and shock absorption, as shown in fig. 7, the elastic member 500 is filled in the second groove 510. Through the above arrangement, the second groove 510 is filled with the elastic member 500, so that the surface of the elastic member 500 is fully contacted with the inner wall of the second groove 510, so that the force applied on the key cap 200 can act on the elastic member 500 from multiple directions, and when the key cap 200 is applied with force in any direction, the elastic member 500 can have a buffering effect, thereby better protecting the components on the key body 310 from damage.

Of course, the elastic member 500 may have a gap with the inner wall of the second groove 510.

In order to increase the structural strength of the elastic member 500 and the key cap 200, the elastic member 500 and the key cap 200 are integrally formed, for example, the elastic member 500 and the key cap 200 may be integrally formed by a double shot injection molding method. The elastic member 500 and the key cap 200 of the integrated structure have higher overall structural strength, do not need secondary processing, and are convenient to process.

In addition, since the two are integrally formed, the elastic member 500 and the key cap 200 can be tightly combined together, so that the pressing integrated feeling can be increased and the hand feeling can be improved when the key cap 200 is pressed.

Of course, the elastic member 500 and the key cap 200 may be formed as separate structures, the elastic member 500 and the key cap 200 may be manufactured separately, and then the elastic member 500 and the key cap 200 may be fixed together by using a technique such as gluing.

In order to fix the key lever 320 in the second groove 510, as shown in fig. 8, the electronic device 10 provided herein further includes a plurality of limiting protrusions 600, wherein the limiting protrusions 600 are fixed on the inner wall of the second groove 510, and the plurality of limiting protrusions 600 are disposed at intervals around the length of the key lever 320 and abut against the key lever 320.

The key bar 320 is clamped in the second groove 510 by using the plurality of limiting protrusions 600, and when the key cap 200 needs to be removed, the key cap 200 can be separated from the key bar 320 only by applying a force to the key cap 200 in a direction away from the key bar 320; when the key cap 200 is required to be mounted on the key bar 320, only a force approaching to the key bar 320 is applied to the key cap 200, so that the key cap 200 can be mounted on the key bar 320, and the key cap 200 and the key bar 320 can be mounted and dismounted conveniently.

Wherein, a plurality of limit protrusions 600 may be uniformly disposed around the circumference of the key lever 320, so that the key lever 320 may be uniformly clamped in the second groove 510 from a plurality of directions. Of course, the plurality of limit protrusions 600 may be unevenly disposed around the circumference of the key lever 320.

In addition, the stop tab 600 may be a cube structure, or may be any other suitable shape.

Of course, the key cap 200 and the key rod 320 may be fixed together by gluing, for example, structural glue is applied on the inner wall of the second groove 510, and then the key rod 320 is extended into the second groove 510, so that the key cap 200 can be mounted.

In some embodiments, as shown in fig. 9, the key cap 200 includes a first portion 240 and a second portion 250, and the first recess 220 is formed on the first portion 240; the second portion 250 is disposed around the first portion 240 in a circumferential direction (dotted line in fig. 9) of the key lever 320 around the lever length direction, and is fixedly coupled to the first portion 240, the second portion 250 is disposed in the accommodating chamber 110, and the key hole 120 is disposed within a projection range of an orthographic projection of a side surface of the second portion 250 near the first portion 240 on the housing 100.

Since the key hole 120 is located within the projection range of the front projection of the second portion 250 near the side surface of the first portion 240, the key cap 200 cannot be directly pulled out of the accommodating cavity 110 from the key hole 120, i.e. the key cap 200 is clamped in the accommodating cavity 110, so that the key cap 200 and the key rod 320 can be prevented from being pulled out when the key cap 200 and the key rod 320 are in the assembled state, and the stability of fixing between the key cap 200 and the key rod 320 is increased.

For the five-way switch, a direction icon is arranged on the key cap 200, and in order to avoid mounting errors when the key cap 200 is mounted, as shown in fig. 10, a fool-proof hole 410 is formed on the circuit board 400; the electronic device 10 further includes a limiting post 700, where the limiting post 700 is disposed on a side of the second portion 250 near the circuit board 400, and the limiting post 700 is fixedly connected to the second portion 250, and at least a portion of the limiting post 700 extends into the fool-proof hole 410.

Through the cooperation of spacing post 700 and prevent slow-witted hole 410, when the equipment, can be at first with spacing post 700 insert prevent slow-witted hole 410 in to make the different icons on the key cap 200 correspond the setting with the different switches of five-way switch, can avoid when equipment key cap 200 and key lever 320, the equipment mistake improves the equipment precision.

In order to prevent slipping of the hand when the key cap 200 is pressed, as shown in fig. 11, the electronic device 10 further includes a plurality of anti-slip protrusions 800, the anti-slip protrusions 800 are disposed on a side surface of the key cap 200 remote from the circuit board 400, and the plurality of anti-slip protrusions 800 are disposed at intervals, and the anti-slip protrusions 800 are fixedly coupled with the key cap 200.

By providing the protrusion 800 on the key cap 200, when the user touches the key cap 200, the protrusion 800 is first brought into contact with the protrusion 800, and the engagement between the protrusion 800 and the surface of the key cap 200 on the side away from the circuit board 400 can increase the friction of the surface of the key cap 200, so that the user can be prevented from slipping when pressing the hand onto the key cap 200.

The anti-slip protrusion 800 may be hemispherical, so that not only the anti-slip effect is achieved, but also the anti-slip protrusion 800 is prevented from being pricked, and the hand feeling is increased. Of course, cleat 800 may be any other suitable shape, such as square, irregular, etc.

The foregoing is merely a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An electronic device, the electronic device comprising:

the shell is internally provided with a containing cavity, and a key hole communicated with the containing cavity is formed in the shell;

the circuit board is fixed in the accommodating cavity;

the key switch is positioned on one side of the circuit board close to the key hole and comprises a key body and a key rod, wherein the key body is connected with the key rod, the key body is fixed on the circuit board and is electrically connected with the circuit board, and the key rod is positioned between the key hole and the key body;

the key cap at least partially extends into the accommodating cavity through the key hole, a first groove is formed in at least part of the key cap, a through hole is formed in the key cap, and the through hole is communicated with the first groove;

the elastic piece is fixed in the first groove, the elastic piece partially stretches into the through hole, a second groove is formed in the elastic piece, the key rod at least partially stretches into the second groove, and the key rod is fixed with the elastic piece.

2. The electronic device according to claim 1, wherein a plurality of the through holes are provided, and a plurality of the through holes are provided at intervals in a circumferential direction around the key lever.

3. An electronic apparatus according to claim 2, wherein a plurality of said through holes are provided uniformly around the length of said key lever in a circumference, and said elastic member portion extends into each of said through holes.

4. The electronic device of any of claims 1-3, wherein the elastic member is comprised of a polyurethane thermoplastic elastomer and the key cap is comprised of an acrylonitrile-butadiene-styrene plastic.

5. The electronic device of any of claims 1-3, wherein the elastic member is an integral structure with the key cap.

6. The electronic device of any one of claims 1-3, wherein the resilient member fills in the second recess.

7. The electronic device of any one of claims 1-3, further comprising a plurality of limit protrusions fixed on an inner wall of the second groove, wherein the plurality of limit protrusions are disposed at intervals around a length of the key bar in a circumferential direction and abut against the key bar.

8. The electronic device of any one of claims 1-3, wherein the keycap comprises:

the first groove is formed in the first part;

the second part is arranged around the first part in a circle along the length direction of the key rod, and is fixedly connected with the first part, the second part is positioned in the accommodating cavity, and the key hole is positioned in the projection range of orthographic projection of the surface of one side, close to the first part, of the second part on the shell.

9. The electronic device of claim 8, wherein the circuit board is provided with a fool-proof hole;

the electronic equipment further comprises a limiting column, the limiting column is arranged on one side, close to the circuit board, of the second portion, the limiting column is fixedly connected with the second portion, and at least part of the limiting column extends into the fool-proof hole.

10. The electronic device of any one of claims 1-3, further comprising a plurality of cleats disposed on a surface of the key cap distal from the circuit board, the plurality of cleats being spaced apart and fixedly coupled to the key cap.

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