CN217822493U - Key structure and electronic equipment - Google Patents

Abstract

The application provides a button structure and electronic equipment, relates to electronic equipment accessory technical field. The key structure comprises a shell, a key and a tact switch; a containing cavity is arranged in the shell, and the tact switch is arranged in the containing cavity; the shell is provided with an assembly hole, the assembly hole is communicated with the containing cavity, a rebound assembly is arranged in the assembly hole, the key is movably arranged in the assembly hole and is connected with the rebound assembly, and one side, away from the key, of the rebound assembly is provided with a contact corresponding to the light touch switch; by pressing the key, the key can drive the rebound assembly to move towards the direction close to the light touch switch so as to enable the contact to be abutted against the light touch switch; the resilience assembly is used for providing elasticity for resetting the key. The electronic device includes a key structure. The key structure can improve hand feeling when a user presses the key and reset effect of the key.

Description

Key structure and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment accessories, in particular to a key structure and electronic equipment.

Background

The key structure is an important structure for controlling the operation of the electronic equipment. The existing key structure has the advantages that when the key is pressed, the key is deformed, so that the light touch switch is directly touched, the light touch switch is turned on or turned off, and when the key is reset, the key is reset mainly through rebounding of the light touch switch. In the use process of the existing key structure, the hand feeling of a user when the user presses the key is poor, and the key resetting capability is weak, so that the user experience is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the application provides a key structure and electronic equipment.

The application provides the following technical scheme:

a key structure comprises a shell, keys and a tact switch; a containing cavity is arranged in the shell, and the tact switch is arranged in the containing cavity; the shell is provided with an assembly hole, the assembly hole is communicated with the accommodating cavity, a rebound assembly is arranged in the assembly hole, the key is movably arranged in the assembly hole and is connected with the rebound assembly, and one side, far away from the key, of the rebound assembly is provided with a contact corresponding to the light touch switch; the press key can drive the rebound assembly to move towards the direction close to the light touch switch by pressing the press key so as to enable the contact to be abutted against the light touch switch; the resilience assembly is used for providing elasticity for resetting the key.

In a possible implementation manner, the rebounding assembly comprises a first cantilever, a second cantilever and a connecting part, the first cantilever and the second cantilever are both connected to the connecting part, one end of the first cantilever, which is far away from the connecting part, is connected to the inner wall of the assembling hole, and the connecting part is connected to the key, and the contact is located on one side, which is far away from the key, of the connecting part.

In a possible embodiment, the first suspension arm and the second suspension arm are symmetrically arranged with respect to the connecting member.

In a possible embodiment, a boss is provided on a side of the key close to the rebound assembly, a connection groove corresponding to the boss is provided on a side of the connection member close to the key, and the boss and the connection groove cooperate to connect the key and the connection member.

In a possible implementation mode, the key structure further comprises a waterproof assembly, the waterproof assembly comprises an elastic waterproof membrane, a through hole is formed in the elastic waterproof membrane, a boss is arranged on one side, close to the rebounding assembly, of the key, a connecting groove corresponding to the boss is arranged on one side, close to the rebounding assembly, of the key, and the boss penetrates through the through hole and is arranged in the connecting groove.

In a possible embodiment, a fixing part is arranged in the assembly hole, the fixing part is positioned at the outer side of the rebound assembly, and the rebound assembly is connected with the inner wall of the assembly hole through the fixing part; the rebounding assembly is provided with a connecting piece, and the connecting piece is connected with the key; the waterproof assembly further comprises a first fixing piece and a second fixing piece, the first fixing piece and the second fixing piece are arranged on two sides of the elastic waterproof membrane, the first fixing piece is far away from one side of the key and fixedly connected with the connecting piece, and the second fixing piece is far away from one side of the key and fixedly connected with the fixing portion.

In a possible implementation manner, the key structure further includes a circuit board, the circuit board is fixed in the cavity, and the tact switch is disposed on one side of the circuit board close to the key.

In a possible implementation manner, the housing includes a first housing and a second housing, the first housing is connected to the second housing, a positioning column and a fixing seat are respectively disposed on an inner wall of the second housing, and a positioning hole corresponding to the positioning column is disposed on the circuit board; one side of the circuit board, which is far away from the first shell, is connected with the fixed seat.

In a possible implementation manner, a thimble is disposed on an inner wall of the first housing, and one end of the thimble is electrically connected to a side of the circuit board away from the second housing.

In a second aspect, the present application further provides an electronic device, which includes the above key structure.

Compare prior art, the beneficial effect of this application:

the button structure of this embodiment, to dabber switch be fixed in the appearance chamber that first shell and second shell enclose, through set up the pilot hole on the second shell, set up the subassembly that kick-backs in the pilot hole, the button is movably located in the pilot hole to be connected with the subassembly that kick-backs, one side that the button was kept away from to the subassembly that kick-backs is equipped with and dabs the contact that the switch corresponds. When the button receives the user finger to press, the button drives the subassembly of kick-backing and removes towards the direction that is close to the light switch that touches in the pilot hole to make the contact with touch the switch contact, the subassembly of kick-backing can take place deformation under the effect of button, the elasticity that the subassembly deformation of kick-backing produced passes through the button and transmits the user on the finger, thereby improves the feedback when the user finger presses the button, promotes the feeling of pressing the button. When the button resets, the elasticity that produces when resilience subassembly recovers is used on the button to promote the button in the mounting hole, to keeping away from the direction removal of dabbing the switch, restore until the button, thereby improve the effect that resets of button.

In order to make the aforementioned objects, features and advantages of the present application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 illustrates a cross-sectional view of a key structure according to an embodiment of the present application;

FIG. 2 is an exploded view of a key structure according to an embodiment of the present application;

FIG. 3 illustrates a schematic structural diagram of a second housing according to an embodiment of the present application;

FIG. 4 is a schematic view of the second housing of FIG. 3 at another angle;

FIG. 5 is a schematic structural diagram of a key according to an embodiment of the present application;

fig. 6 shows a schematic structural diagram of a waterproof assembly according to an embodiment of the present application.

Description of the main element symbols:

100-a first housing; 110-ejector pin; 200-a second housing; 210-assembly holes; 220-a rebound assembly; 221-a first cantilever; 222-a second cantilever; 223-a connector; 224-connecting grooves; 225-contacts; 230-a fixed part; 240-positioning columns; 250-a fixed seat; 300-push button; 310-a boss; 320-indicating a slot; 400-a cavity; 500-a circuit board; 510-positioning holes; 600-tact switch; 700-a waterproof assembly; 710-elastic waterproof membrane; 711-a through hole; 720-a first fixture; 730-a second fastener.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1 to 5, an embodiment of the present application provides a key structure for controlling an electronic device to operate.

Referring to fig. 1 and fig. 2, the key structure includes a housing, a key 300 and a tact switch 600; the housing comprises a first housing 100 and a second housing 200, the first housing 100 is connected with the second housing 200, a containing cavity 400 is arranged between the first housing 100 and the second housing 200, and the tact switch 600 is arranged in the containing cavity 400. A mounting hole 210 is formed in a side of the second housing 200 away from the first housing 100, the mounting hole 210 is communicated with the cavity 400, a rebound assembly 220 is arranged in the mounting hole 210, the key 300 is movably arranged in the mounting hole 210, and the key 300 is connected with the rebound assembly 220; a contact 225 corresponding to the tact switch 600 is arranged on one side of the rebound assembly 220 away from the key 300; by pressing the key 300, the key 300 can drive the rebound assembly 220 to move towards the direction close to the tact switch 600, so that the contact 225 is abutted against the tact switch 600; the resilient member 220 is used to provide an elastic force for resetting the key 300.

In some embodiments, the first housing 100 and the second housing 200 are connected by a snap-fit structure. A sealing ring is arranged at the joint of the first shell 100 and the second shell 200, and the sealing ring is used for waterproof sealing between the first shell 100 and the second shell 200.

Referring to fig. 1 to 4, an assembly hole 210 is formed in a side of the second housing 200 away from the first housing 100, and the resilient member 220 is disposed in the assembly hole 210 and is fixedly connected to an inner wall of the assembly hole 210.

In some embodiments, the resilient assembly 220 includes a first suspension arm 221, a second suspension arm 222 and a connecting member 223, the first suspension arm 221 and the second suspension arm 222 are both connected to the connecting member 223, an end of the first suspension arm 221 away from the connecting member 223 and an end of the second suspension arm 222 away from the connecting member 223 are respectively connected to an inner wall of the assembly hole 210, the connecting member 223 is fixedly connected to the key 300, and the contact 225 is disposed on a side of the connecting member 223 away from the key 300.

The shape of the first cantilever 221 and the second cantilever 222 is similar to an "s" shape, the first cantilever 221 and the second cantilever 222 are symmetrically arranged with the connecting member 223 as a center, a hollow exists between the first cantilever 221 and the connecting member 223 and the assembly hole 210, and a hollow exists between the second cantilever 222 and the connecting member 223 and the assembly hole 210, so that the first cantilever 221 and the second cantilever 222 can be better deformed when being subjected to an external force.

When the key 300 is pressed by a finger of a user, the key 300 can move along the extending direction of the assembly hole 210, and because the key 300 is connected with the connecting piece 223, the key 300 can drive the connecting piece 223 to move towards the direction close to the tact switch 600, so that the contact 225 abuts against the tact switch 600. The first suspension arm 221 and the second suspension arm 222 are deformed in the pressing process of the key 300, and the elastic force generated by the deformation is applied to the finger of the user through the key 300, so that the feedback of the user when pressing the key 300 is improved, and the hand feeling when pressing the key 300 is improved.

When the key 300 is reset, the user's finger is removed from the key 300, the pressure applied to the key 300 disappears, and the elastic force generated by the deformation recovery of the first suspension arm 221 and the second suspension arm 222 acts on the key 300, so that the key 300 moves in the assembly hole 210 in the direction away from the tact switch 600 until the key 300 is restored, thereby separating the contact 225 from the tact switch 600. The elastic force of the first suspension arm 221 and the second suspension arm 222 when they are deformed again can urge the key 300 to reset, thereby improving the resetting effect of the key 300.

In other embodiments, the rebound assembly 220 comprises three suspension arms, three suspension arms are each connected to the connecting member 223, and three suspension arms are disposed around the circumference of the connecting member 223. An operator can adjust the number of the cantilevers in the rebounding assembly 220 according to actual needs, and then adjust the hand feeling of the user when pressing the key 300.

In some embodiments, the first suspension arm 221, the second suspension arm 222, the connecting member 223, the contact 225, and the second housing 200 are integrally injection molded so that they are fixedly connected together.

As shown in fig. 5, a boss 310 is disposed on a side of the key 300 close to the second housing 200, a connection groove 224 corresponding to the boss 310 is disposed on a side of the connection member 223 away from the first housing 100, and the boss 310 and the connection groove 224 are engaged to connect the key 300 and the connection member 223.

In some embodiments, the boss 310 is disposed inside the connecting groove 224, and the boss 310 and the connecting groove 224 are fixedly connected by dispensing.

The key 300 is a circular key, and the diameter of the key 300 is slightly smaller than that of the mounting hole 210, so that the key 300 can move along the extending direction of the mounting hole 210.

In some embodiments, the boss 310 is a trapezoidal mesa and the attachment slot 224 is a trapezoidal slot corresponding to the trapezoidal mesa. In other embodiments, the boss 310 may also be a square boss and the connecting slot 224 is a corresponding square slot.

In some embodiments, an indication groove 320 is further formed on a side of the key 300 close to the second housing 200, and the indication groove 320 facilitates a user to connect the key 300 to the connecting member 223.

When the boss 310 is a trapezoidal boss and the boss 310 is fixed to the coupling groove 224, the indication groove 320 is located right below the boss 310, and the user can quickly confirm the installation direction of the key 300 according to the position of the indication groove 320.

The key structure of this embodiment will light touch switch 600 is fixed in first shell 100 with second shell 200 encloses hold the chamber 400 in, through set up on the second shell 200 the pilot hole 210, set up in the pilot hole 210 resilience subassembly 220, the button 300 is movably located in the pilot hole 210, and with resilience subassembly 220 is connected, resilience subassembly 220 is kept away from one side of button 300 be equipped with light touch switch 600 corresponds contact 225. When the button 300 is pressed by the finger of the user, the button 300 is in the assembling hole 210, the rebound assembly 220 is driven to move towards the direction close to the tact switch 600, so that the contact 225 is contacted with the tact switch 600, the rebound assembly 220 can deform under the action of the button 300, the elastic force generated by the deformation of the rebound assembly 220 is transmitted to the finger of the user through the button 300, thereby improving the feedback when the finger of the user presses the button 300 and improving the hand feeling of pressing the button 300. When the key 300 is reset, the elastic force generated by the rebound assembly 220 during resetting acts on the key 300 to push the key 300 to move in the assembly hole 210 in the direction away from the tact switch 600 until the key 300 is reset, so that the resetting effect of the key 300 is improved.

Example two

Referring to fig. 1 to 6, the present embodiment provides a key structure for controlling an electronic device to operate. The present embodiment is an improvement on the technology of the first embodiment, and compared with the first embodiment, the difference is that:

referring to fig. 2 and 6, the key structure further includes a waterproof assembly 700, where the waterproof assembly 700 includes an elastic waterproof membrane 710, and the elastic waterproof membrane 710 is disposed between the resilient assembly 220 and the key 300. A through hole 711 is formed in the elastic waterproof membrane 710, and the boss 310 is disposed in the connecting groove 224 through the through hole 711, so that the elastic waterproof membrane 710 is fixed between the key 300 and the resilient member 220.

The elastic waterproof film 710 is made of a thermoplastic elastomer (TPE) material, and the TPE material has high elasticity and waterproofness. When the key 300 moves in the direction close to the tact switch 600 in the assembly hole 210, the elastic waterproof membrane 710 can deform, so as to ensure the waterproof sealing between the key 300 and the resilient member 220 when the key 300 moves along the extension direction of the assembly hole 210.

In some embodiments, the waterproof assembly 700 further includes a first fixing member 720 and a second fixing member 730, the first fixing member 720 and the second fixing member 730 are disposed on both sides of the elastic waterproof membrane 710, and the diameter of the first fixing member 720 is smaller than that of the second fixing member 730.

In some embodiments, the elastic waterproof membrane 710 has a circular shape, the first fixing member 720 and the second fixing member 730 are both ring-shaped, and the first fixing member 720 is located inside the second fixing member 730. The through hole 711 is located at the center of the elastic waterproof film 710, the first fixing member 720 is disposed at the outer side of the through hole 711, and the second fixing member 730 is disposed at the outer edge of the elastic waterproof film 710.

A fixing portion 230 is arranged in the assembly hole 210, the fixing portion 230 is fixedly connected with the inner wall of the assembly hole 210, and one ends of the first cantilever 221 and the second cantilever 222, which are far away from the connecting member 223, are respectively connected with the fixing portion 230. The first fixing member 720 is fixed to the connecting member 223, and the second fixing member 730 is fixed to the fixing portion 230, so that the elastic waterproof film 710 is fixed between the key 300 and the resilient assembly 220.

The first fixing member 720 is coated with a back adhesive on a side away from the key 300 and the second fixing member 730 is coated with a back adhesive on a side away from the key 300, so that the first fixing member 720 is fixed on the connecting member 223 and the second fixing member 730 is fixed on the fixing portion 230.

Due to the thin thickness of the elastic waterproof membrane 710, the elastic waterproof membrane 710 is not conveniently and directly fixedly connected to the rebound assembly 220, and the first fixing member 720 and the second fixing member 730 are arranged to facilitate the elastic waterproof membrane 710 to be fixed to the rebound assembly 220.

Referring to fig. 2, the key structure further includes a Circuit Board 500, the Circuit Board 500 is a Printed Circuit Board (PCB), the Circuit Board 500 is disposed in the cavity 400, and the tact switch 600 is disposed on a side of the Circuit Board 500 close to the second housing 200.

As shown in fig. 4, a positioning column 240 is disposed on a side of the fixing portion 230 away from the key 300, and a positioning hole 510 corresponding to the positioning column 240 is disposed on the circuit board 500. The positioning posts 240 are matched with the positioning holes 510 to position the fixing position of the circuit board 500 in the cavity 400.

A fixing seat 250 is further disposed on a side of the fixing portion 230 away from the key 300, and a side of the circuit board 500 away from the first housing 100 is fixed on the fixing seat 250 through a hot melting manner, so that the circuit board 500 is fixedly connected with the fixing seat 250, and further the circuit board 500 is fixedly connected with the second housing 200.

The circuit board 500 is further provided with a power supply, and the power supply is used for supplying power to the circuit board 500.

In some embodiments, a thimble 110 is disposed on an inner wall of the first housing 100, and one end of the thimble 110 abuts against a side of the circuit board 500 away from the second housing 200. One end of the thimble 110, which is far away from the circuit board 500, is connected to an external charging device, so as to charge the power supply on the circuit board 500.

EXAMPLE III

The application also provides electronic equipment comprising the key structure. The electronic device may be a headset, a sound box, a music player, etc.

The key structure is used for controlling the electronic equipment to operate. Due to the arrangement of the key structure, the hand feeling of the user when the key 300 is pressed and the restoring capability of the key 300 can be effectively improved, so that the experience effect of the user on the electronic equipment is improved.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A key structure is characterized by comprising a shell, keys and a tact switch; a containing cavity is arranged in the shell, and the tact switch is arranged in the containing cavity; an assembly hole is formed in the shell and is communicated with the accommodating cavity, a rebound assembly is arranged in the assembly hole, the key is movably arranged in the assembly hole and is connected with the rebound assembly, and a contact corresponding to the light touch switch is arranged on one side, away from the key, of the rebound assembly; by pressing the key, the key can drive the rebound assembly to move towards the direction close to the light touch switch, so that the contact is abutted against the light touch switch; the resilience assembly is used for providing elasticity for resetting the key.

2. The key structure according to claim 1, wherein the resilient assembly comprises a first cantilever, a second cantilever and a connecting member, the first cantilever and the second cantilever are connected to the connecting member, one end of the first cantilever away from the connecting member and one end of the second cantilever away from the connecting member are respectively connected to the inner walls of the assembly holes, the connecting member is connected to the key, and the contact is disposed on one side of the connecting member away from the key.

3. The key structure of claim 2, wherein the first suspension arm and the second suspension arm are symmetrically disposed about the connecting member.

4. The key structure of claim 2, wherein a side of the key adjacent to the resilient member is provided with a boss, and a side of the connecting member adjacent to the key is provided with a connecting groove corresponding to the boss, the boss and the connecting groove cooperating to connect the key to the connecting member.

5. The key structure of claim 1, further comprising a waterproof assembly, wherein the waterproof assembly comprises an elastic waterproof membrane, a through hole is formed in the elastic waterproof membrane, a boss is disposed on one side of the key close to the resilient assembly, a connecting groove corresponding to the boss is disposed on one side of the resilient assembly close to the key, and the boss is disposed in the connecting groove through the through hole.

6. The key structure according to claim 5, wherein a fixing portion is provided in the fitting hole, the fixing portion being located outside the resilient member, the resilient member being connected to an inner wall of the fitting hole through the fixing portion; the rebounding assembly is provided with a connecting piece, and the connecting piece is connected with the key; the waterproof assembly further comprises a first fixing piece and a second fixing piece, the first fixing piece and the second fixing piece are arranged on two sides of the elastic waterproof membrane, the first fixing piece is far away from one side of the key and fixedly connected with the connecting piece, and the second fixing piece is far away from one side of the key and fixedly connected with the fixing portion.

7. The key structure according to claim 1, further comprising a circuit board, wherein the circuit board is fixed in the cavity, and the tact switch is disposed on a side of the circuit board close to the key.

8. The key structure of claim 7, wherein the housing comprises a first housing and a second housing, the first housing is connected to the second housing, the inner wall of the second housing is respectively provided with a positioning post and a fixing seat, and the circuit board is provided with a positioning hole corresponding to the positioning post; one side of the circuit board, which is far away from the first shell, is connected with the fixed seat.

9. The key structure of claim 8, wherein a pin is disposed on an inner wall of the first housing, and one end of the pin is electrically connected to a side of the circuit board away from the second housing.

10. An electronic device, characterized in that it comprises a key structure according to any one of claims 1-9.

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