CN208889528U - Button assembly - Google Patents

Abstract

The utility model relates to technical field of electronic equipment, a kind of button assembly is provided, it include: shell, it is installed on the frame of shell, it is installed on the intracorporal circuit board of shell, first key switch, second key switch, key and elastomeric element for resetting the key, one end of the key is corresponding with first key switch, the middle part of the key is corresponding with second key switch, and the key can be moved relative to first key switch and second key switch, the middle part of one end or the key for pressing the key can make first key switch and second key switch be turned on or off respectively.Make button assembly compact-sized through the above way and then occupy smaller space on an electronic device, is conducive to the Miniaturization Design of electronic equipment.

Description

Button assembly

[technical field]

The utility model relates to technical field of electronic equipment more particularly to a kind of button assemblies.

[background technique]

Electronic equipment refers to be made of electronic components such as integrated circuit, transistor, electron tubes, application electric technology (packet Include) equipment that plays a role of software comprising electronic computer and the robot, numerical control or the journey that are controlled by electronic computer Control system etc..Button assembly is a part of electronic equipment, user can by the unlatching of button assembly controlling electronic devices, close And operation.

The button assembly structure on electronic equipment is usually the more body button assemblies for having multiple cantilevers at present, passes through cantilever It is installed on the shell of electronic equipment, and realizes the reset of key in button assembly using the support force of cantilever.

In the process of implementing the utility model, the inventor finds that the existing technology has at least the following problems: electronics at present Button assembly volume in equipment is larger, and structure is not compact enough, so that occupying more space on an electronic device.

[utility model content]

In order to solve the above-mentioned technical problem, the utility model embodiment provides one kind and compact-sized, small in size can press Key asembly.

In order to solve the above technical problems, the utility model embodiment the following technical schemes are provided:

A kind of button assembly, comprising:

Shell has opening；

Frame is installed on the opening of the shell；

Circuit board is fixedly installed in the shell；

First key switch is fixedly installed in the circuit board；

Second key switch is fixedly installed in the circuit board；

Third key switch is fixedly installed in the circuit board, and first key switch, second key are opened It closes and the third key switch successively forms a line on the circuit board；

Key passes through the frame, and one end of the key is corresponding with first key switch, in the key Portion is corresponding with second key switch, and the other end of the key and the third key switch are corresponding and described Key can press the key relative to first key switch, second key switch and the third pressing movement One end, the other end of the key or the middle part of the key can make first key switch, described second respectively Key switch and the third key switch are turned on or off；

Elastomeric element supports the key, for resetting the key.

In some embodiments, the elastomeric element is pressed with first key switch, the second key switch and third There is gap between key switch；The spacing of the elastomeric element and first key switch be equal to the elastomeric element with it is described The spacing of third key switch；The spacing of the elastomeric element and first key switch is greater than described in the elastomeric element the The spacing of two key switches.

In some embodiments, the elastomeric element be a kind of elastic cushion, the elastomeric element be fixed on the frame and Between the shell.

In some embodiments, the middle part of the frame has hollowed out area, and the key is located in the hollowed out area, And it can be moved relative to the frame.

In some embodiments, the key includes key main body and mounting portion, and institute is fixed in one end of the mounting portion Key main body is stated, and the mounting portion is perpendicular to the key main body, the other end of the mounting portion and the circuit board Spacing is less than the spacing of the elastomeric element and first key switch；The other end of the mounting portion and the circuit board Spacing is greater than the spacing of the second key switch described in the elastomeric element.

In some embodiments, the elastomeric element includes base portion and extension, and the base portion is in tabular, the extension Portion towards the surface of the key on the base portion perpendicular to the base portion by extending outwardly；The key main body is towards institute The surface setting for stating elastomeric element is fluted, and the extension is embedded in the groove.

In some embodiments, the surface of the extension towards the key is provided with accommodation groove, and the accommodation groove passes through Wear the extension；The bottom surface of the accommodation groove is provided with mounting hole, and the mounting hole runs through the base portion；The mounting hole with The mounting portion is adapted, and the other end of the mounting portion passes through the accommodation groove and mounting hole.

In some embodiments, the mounting portion altogether there are two, two mounting portions are parallel to each other, and between having Gap；The accommodation groove and the mounting hole it is equal there are two, and it is corresponding with two mounting portions respectively.

In some embodiments, the cross-sectional area of the accommodation groove is greater than the cross-sectional area of the mounting hole.

In some embodiments, the elastomeric element further includes lug boss, and the lug boss is annular in shape, and the lug boss is solid Due to, towards the surface of the key, and the lug boss is surrounded on extension on the base portion；The frame is described in The surface of elastomeric element is provided with container, and the lug boss is embedded in the container.

Compared with prior art, the button assembly in the utility model embodiment includes shell, the side for being installed on shell Frame is installed on the intracorporal circuit board of shell, the first key switch, the second key switch, third key switch, key and elastic portion Part controls the unlatching of the first key switch, the second key switch and third key by the different parts of pressing keys respectively And closing.Make button assembly compact-sized based on above structure and then occupy smaller space on an electronic device, is conducive to electricity The Miniaturization Design of sub- equipment.

[Detailed description of the invention]

One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove Non- to have special statement, composition does not limit the figure in attached drawing.

Fig. 1 is a kind of perspective view of button assembly provided by the embodiment of the utility model；

Fig. 2 is the exploded view of button assembly shown in FIG. 1；

Fig. 3 is another exploded view of button assembly shown in FIG. 1；

Fig. 4 is the cross-sectional view of button assembly shown in Fig. 2；

Fig. 5 is the cross-sectional view of the button assembly in some other embodiment.

[specific embodiment]

For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more Detailed description.It should be noted that it can be directly in another element when element is expressed " being fixed on " another element Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can To be directly to another element or elements placed in the middle there may be one or more therebetween.This specification is used Term " on ", "lower", "inner", "outside", the instructions such as " bottom " orientation or positional relationship be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention. In addition, term " first ", " second " " third " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property.

Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification Language is only for the purpose of describing specific embodiments, and is not intended to limitation the utility model.Art used in this specification Language "and/or" includes any and all combinations of one or more related listed items.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can be combined with each other.

Referring to Fig. 1, the utility model embodiment provides a kind of button assembly 100, including key 10, frame 20, elasticity Component 30, circuit board 40, key switch 50 and shell 60.The frame 20 is fixedly installed in the shell 60.The key is opened It closes 50 and is fixedly installed in the circuit board 40.The circuit board 40 is fixedly installed in inside the shell 60.The elastomeric element 30 support the key 10, for resetting the key 10.The key 10 passes through the frame 20, and can be relative to described Key switch 50 moves, so that the key switch 50 is turned on or off.

Specifically, the key 10 includes key main body 11 and mounting portion 12, the key main body 11 is plate-like, has Contact surface and mounting surface, the contact surface and mounting surface are located at the two opposite sides of the key main body 11, the mounting surface It is arranged fluted 111, the mounting portion 12 is substantially in tabular, and one end is fixed on the bottom surface of the groove 111, and described Bottom surface of the mounting portion 12 perpendicular to the groove 111.

In the present embodiment, the mounting portion 12 altogether there are two, two mounting portions 12 are parallel to each other, and between having Gap.

The frame 20 is frame structure, and middle part has hollowed out area 21, the shapes and sizes of the hollowed out area 21 It is adapted with the shapes and sizes of the key main body 11.In the present embodiment, the key main body 11 is in rectangular plate-like, described The hollowed out area 21 of frame 20 is rectangle, and the key main body 11 is located in the hollowed out area 21, and can be relative to described Frame 20 moves.

The surface of the elastomeric element 30 is provided with container 22 on the frame 20, the container 22 is in ring Shape, the container 22 are surrounded on the hollowed out area 21.The shape of the container 22 is corresponding with the hollowed out area 21. In the present embodiment, the shape of the container 22 is straight-flanked ring, and the shape of the hollowed out area 21 is rectangle.

The elastomeric element 30 is a kind of elastic cushion in the present embodiment, can be by rubber or silica gel and other elasticity Material is made.The elastomeric element 30 includes base portion 31, extension 32 and lug boss 33.The base portion 31 is in tabular.It is described Extension 32 towards the surface of the key 10 on the base portion 31 perpendicular to the base portion 31 by extending outwardly.It is described to prolong The area on extending portion 32 towards the surface of the key 10 is less than area of the base portion 31 towards the surface of the key 10.It is described The thickness of extension 32 is greater than the thickness of the base portion 31.The shape size of the extension 32 and the groove 111 is adapted, The extension 32 is embedded in the groove 111.

The extension 32 is fixedly connected with the key main body 11.In the present embodiment, the extension is described in The surface of key 10 is coated with glue so that the extension towards the key 10 surface mount in the groove 111 Bottom surface.In some other embodiment, the extension 32 can also be connected through a screw thread or block with the key main body 11 The modes such as button connection.

The surface of the extension 32 towards the key 10 is provided with accommodation groove 321, and the accommodation groove 321 runs through institute State extension 32.The bottom surface of the accommodation groove 321 is a part of the base portion 31 towards the surface of the key 10.It is described The bottom surface of accommodation groove 321 is provided with mounting hole 311, and the mounting hole 311 runs through the base portion 31.The mounting hole 311 and institute It states mounting portion 12 to be adapted, the other end of the mounting portion 12 passes through the accommodation groove 321 and mounting hole 311.The mounting portion The shape size of 12 cross section is roughly the same with the shape size of cross section of the mounting hole 311.The accommodation groove 321 Cross-sectional area is greater than the cross-sectional area of the mounting hole 311, may make that the mounting portion 12 is clever in the accommodation groove 321 It swings livingly.

In the present embodiment, the opening shape of the accommodation groove 321 is rectangle, and the opening shape of the mounting hole 311 is Rectangle.

The lug boss 33 is annular in shape, and the lug boss 33 is fixed on the base portion 31 towards the table of the key 10 Face, and the lug boss 33 is surrounded on extension 32.The lug boss 33 is embedded in the container 22, the lug boss 33 Shape it is consistent with the shape of the container 22, the volume of the lug boss 33 is slightly larger than the volume of the container 22, makes Extruding of the lug boss 33 because receiving 22 side of container and bottom surface is obtained, and is in close contact with the frame 20.It should Structure may make elastomeric element 30 by the thoroughly sealing of hollowed out area 21, to prevent external water or vapor across described Hollowed out area 21 enters in shell 60, corrodes circuit board 40 and key switch 50, and prevent user from getting an electric shock.

The shape size of the base portion 31 is consistent with the outer rim shape size of the frame 20, the edge of the base portion 31 It is held between the frame 20 and shell 60.

The circuit board 40 is in tabular, the key switch 50 be fixedly installed on the circuit board 40 towards it is described by The surface of key 10.The number of the key switch 50 is three.The key switch 50 lines up one on the circuit board 40 Column.

In the present embodiment, the key switch 50 includes that the first key switch 51, the second key switch 52 and third are pressed Key switch 53, first key switch 51, the second key switch 52 and third key switch 53 on the circuit board 40 according to It is secondary to form a line.Second key switch 52 is between first key switch 51 and third key switch 53.Along institute The orientation of the first key switch 51, the second key switch 52 and third key switch 53 is stated, the key 10 is in long strip, The other end of one end of the key 10, the middle part of the key 10 and the key 10 respectively with first key switch 51, the second key switch 52 and third key switch 53 are corresponding.The elastomeric element 30 is located at the key 10 and the key Between switch 50.The elastomeric element 30 and first key switch 51, the second key switch 52 and third key switch There is gap between 53.The spacing of the elastomeric element 30 and first key switch 51 is equal to the elastomeric element 30 and institute State the spacing of third key switch 53.The spacing of the elastomeric element 30 and first key switch 51 is greater than the elastic portion The spacing of second key switch 52 described in part 30.

Further, the mounting portion 12 the other end (that is, on the mounting portion 12 far from the key main body 11 one End) it is less than the spacing of the elastomeric element 30 and first key switch 51 with the spacing of the circuit board 40.The installation The spacing of the other end in portion 12 and the circuit board 40 is greater than the spacing of the second key switch 52 described in the elastomeric element 30.

User can control first key switch 51, the second key switch 52 by the different parts of pressing keys 10 With being turned on or off for third key switch 53, to realize that single key issues a variety of instructions to electronic equipment.

Specifically, one end of the key 10 is opened to close to first key when pressing one end of the key 10 51 direction movement is closed, the other end of the key 10 is moved to the direction far from the third key switch 53.That is, in figure Shown, one end decline of the key 10, the other end tilts, and the medium position of the key 10 is constant.The one of the key 10 It holds to the direction close to first key switch 51 and moves until elastomeric element 30 corresponding with one end of the key 10 One end contacted with the first key switch 51, and trigger first key switch 51.The key 10 and described second at this time The spacing of key switch 52 is greater than zero (that is, the key 10 is not contacted with second key switch 52), the key 10 with The spacing of the third key switch 53 becomes larger.

When pressing the middle part of the key 10, the whole direction to close to first key switch 51 of the key 10 Translation.That is, shown in the figure, 10 integral level of the key decline.The key 10 and first key switch 51, the The spacing of two key switches 52 and third key switch 53 reduces.Due to the elastomeric element 30 and first key switch 51 spacing is equal to the spacing of the elastomeric element 30 and the third key switch 53.The elastomeric element 30 and described the The spacing of one key switch 51 is greater than the spacing of the second key switch 52 described in the elastomeric element 30.The elastomeric element 30 It is contacted first with second key switch 52 and triggers second key switch 52.Due to the other end of the mounting portion 12 The spacing of (that is, far from one end of the key main body 11 on described mounting portion 12) and the circuit board 40 is less than the elastic portion The spacing of part 30 and first key switch 51.The spacing of the other end of the mounting portion 12 and the circuit board 40 is greater than institute State the spacing of the second key switch 52 described in elastomeric element 30.When the key 10 is whole to close to first key switch 51 Direction continue to translate, until the other end of the mounting portion 12 supports the circuit board 40, the key 10 can not be further It is mobile.The spacing and the elastomeric element 30 of the elastomeric element 30 and first key switch 51 are opened with third key at this time The spacing of pass 53 is equal, to prevent the first key switch 51 of triggering and third key switch 53.

When pressing the other end of the key 10, the other end of the key 10 is to close to the third key switch 53 Direction movement, one end of the key 10 is moved to the direction far from first key switch 51.That is, it is shown in the figure, The other end of the key 10 declines, and one end tilts.The other end of the key 10 is to close to the third key switch 53 Direction movement is until the other end of elastomeric element 30 corresponding with the other end of the key 10 connects with third key switch 53 Touching, and trigger the third key switch 53.The spacing of the key 10 and second key switch 52 is constant at this time, described Key 10 and the spacing of first key switch 51 become larger.

The shell 60 has accommodating space 61, and the accommodating space 61 is on the shell 60 towards the key 10 Surface has opening, and the shape size of the opening is consistent with the shape size of the hollowed out area 21.The frame 20 is fixed It is installed on the opening of the shell 60.

Obviously, in the present embodiment, elastomeric element 30 is a kind of elastic cushion, and playing resets key 10 and two kinds of waterproof Function, in application scenes, the 100 need not have water-proof function of button assembly, then elastic cushion can be by other elastic portions Part replaces, such as spring etc..

By taking spring as an example, as shown in figure 5, elastic cushion is replaced by spring in some other embodiment, the spring 30 ' It is installed in the shell 60, described 30 ' one end of spring supports the key 10, and the other end supports the circuit board 40, when pressing When pressing the key 10, the key 10 is contacted direct with the key switch 50, specific motion mode and this implementation Specific motion mode in example is identical, and this will not be repeated here.Preferably, there are two the spring 30 ' is total to, one of spring 30 ' one end supports one end of the key 10, and the other end of one of spring 30 ' supports the circuit board 40；Another One end of spring 30 ' supports the other end of the key 10, and the other end of another spring 30 ' supports the circuit board 40.

The utility model embodiment provides a kind of button assembly 100, including key 10, frame 20, elastomeric element 30, circuit Plate 40, key switch 50 and shell 60.The frame 20 is fixedly installed in the shell 60.The key switch 50 is fixedly mounted In the circuit board 40.The circuit board 40 is fixedly installed in inside the shell 60.The elastomeric element 30 support it is described by Key 10, for resetting the key 10.The key 10 passes through the frame 20, and can be relative to the key switch 50 Movement, so that the key switch 50 is turned on or off.The key switch 50 in the utility model embodiment can be set Meter there are two or three.Control the opening and closing of above-mentioned key switch 50 respectively by the different parts of pressing keys 10, So that button assembly 100 is compact-sized and then occupies smaller space on an electronic device, be conducive to the small-sized of electronic equipment Change design.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Under the thinking of the utility model, it can also be combined between the technical characteristic in above embodiments or different embodiments, Step can be realized with random order, and there are many other variations of the different aspect of the utility model as described above, be Simplicity, they do not provide in details；Although the utility model is described in detail with reference to the foregoing embodiments, this The those of ordinary skill in field it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, Or equivalent replacement of some of the technical features；And these are modified or replaceed, and do not make the sheet of corresponding technical solution Matter departs from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. a kind of button assembly characterized by comprising

Shell has opening；

Frame is installed on the opening of the shell；

Circuit board is fixedly installed in the shell；

First key switch is fixedly installed in the circuit board；

Second key switch is fixedly installed in the circuit board；

Third key switch, is fixedly installed in the circuit board, and first key switch, second key switch and The third key switch successively forms a line on the circuit board；

Key, pass through the frame, one end of the key is corresponding with first key switch, the middle part of the key and Second key switch is corresponding, and the other end of the key is corresponding with the third key switch, and the key It can be moved relative to first key switch, second key switch and the third key switch, press the key One end, the other end of the key or the middle part of the key can make first key switch, described second respectively Key switch and the third key switch are turned on or off；

Elastomeric element supports the key, for resetting the key.

2. button assembly according to claim 1, which is characterized in that the elastomeric element and first key switch, There is gap between second key switch and third key switch；The spacing of the elastomeric element and first key switch Equal to the spacing of the elastomeric element and the third key switch；The spacing of the elastomeric element and first key switch Greater than the spacing of the second key switch described in the elastomeric element.

3. button assembly according to claim 2, which is characterized in that the elastomeric element is a kind of elastic cushion, the bullet Property component is fixed between the frame and the shell.

4. button assembly according to claim 3, which is characterized in that the middle part of the frame has hollowed out area, described Key is located in the hollowed out area, and can move relative to the frame.

5. button assembly according to claim 3, which is characterized in that the key includes key main body and mounting portion, institute The key main body is fixed in the one end for stating mounting portion, and the mounting portion is perpendicular to the key main body, the mounting portion The other end and the circuit board spacing be less than the elastomeric element and first key switch spacing；The mounting portion The other end and the circuit board spacing be greater than the elastomeric element described in the second key switch spacing.

6. button assembly according to claim 5, which is characterized in that

The elastomeric element includes base portion and extension, and the base portion is in tabular, and the extension is by direction on the base portion The surface of the key extends outwardly perpendicular to the base portion；The surface of the key main body towards the elastomeric element is set It is equipped with groove, the extension is embedded in the groove.

7. button assembly according to claim 6, which is characterized in that the extension is arranged towards the surface of the key There is accommodation groove, the accommodation groove runs through the extension；The bottom surface of the accommodation groove is provided with mounting hole, and the mounting hole runs through The base portion；The mounting hole is adapted with the mounting portion, and the other end of the mounting portion passes through the accommodation groove and installation Hole.

8. button assembly according to claim 7, the mounting portion altogether there are two, two mounting portions are parallel to each other, And there is gap；

The accommodation groove and the mounting hole it is equal there are two, and it is corresponding with two mounting portions respectively.

9. button assembly according to claim 7, which is characterized in that the cross-sectional area of the accommodation groove is greater than the peace Fill the cross-sectional area in hole.

10. the button assembly according to any one of claim 6-9, which is characterized in that the elastomeric element further includes convex The portion of rising, the lug boss is annular in shape, and the lug boss is fixed on the base portion towards the surface of the key, and described convex The portion of rising is surrounded on extension；

The surface of the frame towards the elastomeric element is provided with container, and the lug boss is embedded in the container.