CN209526031U - Button assembly and mobile terminal - Google Patents

Abstract

The utility model proposes a kind of button assembly and mobile terminal, which includes support portion, platelet and keycap；The support portion bending two ends extend there are two arched arm, and the endpoint of two arched arms is respectively arranged with interconnecting piece, and the platelet is equipped with key, and with described by key connection, the keycap is plugged on the interconnecting piece interconnecting piece.The mobile terminal includes shell and above-mentioned button assembly.The button assembly and mobile terminal of the utility model prevent keycap from waving during pressing by the resilience performance using support portion, and keycap can be stablized and set back, and use is more stable.

Description

Button assembly and mobile terminal

Technical field

The utility model relates to arrive electronics field, a kind of button assembly and mobile terminal are especially related to.

Background technique

With advances in technology with the continuous promotion of people's adventure in daily life, smart electronics product is more more and more universal, correspondingly, Requirement of the people to the smart electronics product such as MP3, mobile phone, digital camera and tablet computer is also higher and higher, and user experience is also got over Paid attention to not more to be designed person.By taking one of building block of smart electronics product as an example, as smart electronics product can all be set It is equipped with key, key includes power button and volume button etc..In use, since what different designers was researched and developed presses Following problems, often occurs in the difference of key asembly: first is that key press is less than switch, poor contact causes between key and switch Corresponding disabler；Second is that the phenomenon that key is not answered position or is blocked when pressing.Smart electronics product it is existing with Upper problem brings very poor user experience effect.

Summary of the invention

The purpose of this utility model is to provide a kind of button assembly and mobile terminal, solves button assembly and used in pressing It generates and waves in journey, keycap blocks the problem of cannot setting back.

The utility model proposes a kind of button assemblies, including support portion, platelet and keycap；The support portion bending two ends are prolonged It stretches there are two arched arm, the endpoint of two arched arms is respectively arranged with interconnecting piece, and the platelet is equipped with key, the company Socket part and described press are keyed, and the keycap is plugged on the interconnecting piece.

Further, the bottom margin of the keycap is equipped with the skirt of a circle protrusion, and the height of the skirt is lower than keycap Press surface.

Further, the keycap is equipped with a cavity, and pressure unit is equipped among the cavity, and the cavity accommodates the company Socket part, the pressure unit support the interconnecting piece.

Further, the skirt is provided with the notch matched with the arched arm, the arched arm with it is described Notch interference is fixed.

It further, further include seal, the seal is wrapped on the outer surface of the key.

Further, the key is equipped with connecting column, and the interconnecting piece is equipped with the connecting hole to match with connecting column.

Further, the quantity of the keycap and the key is two.

Further, the making material of the keycap includes ABS material.

The utility model also proposes a kind of mobile terminal, including button assembly described in above-mentioned any one.

Further, above-mentioned mobile terminal further includes shell, be formed on the shell it is compatible with the keycap by Keyhole；The platelet is disposed in the housing on side；The support portion is immobilized in the shell side；The keycap is plugged on key Kong Shang, the keycap part is set to the key hole, and protrudes from except the shell.

Compared with prior art, the utility model has the beneficial effects that preventing keycap from existing by the resilience performance using support portion It is waved during pressing, and keycap can be stablized and set back, use is more stable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the button assembly of the utility model one embodiment；

Fig. 2 is the structural schematic diagram of the platelet of the button assembly of the utility model one embodiment；

Fig. 3 is the structural schematic diagram of the support portion of the button assembly of the utility model one embodiment；

Fig. 4 is the structural schematic diagram of the keycap of the button assembly of the utility model one embodiment；

Fig. 5 is the structural schematic diagram of the keycap of the button assembly of the utility model another embodiment；

Fig. 6 is the structural schematic diagram of the mobile terminal of the utility model one embodiment.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

In figure: 1, platelet, 2, support portion, 3, keycap, 4, notch, 5, skirt, 6, pressure unit, 7, key, 8, connecting column, 9, Interconnecting piece, 10, connecting hole, 11, mobile terminal, 12, button assembly.

Specific embodiment

It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this Utility model.

Referring to FIG. 1, FIG. 2 and FIG. 3, the button assembly of the utility model embodiment, including support portion 2, platelet 1 and keycap 3； 2 bending two ends of support portion extend there are two arched arm, and the endpoint of two arched arms is respectively arranged with interconnecting piece 9, institute Platelet 1 is stated equipped with key 7, the interconnecting piece 9 is connect with the key 7, and the keycap 3 is plugged on the interconnecting piece 9.

In this embodiment, 2 bending two ends of support portion extend there are two arched arm, and the support portion 2 is in " S " type knot Structure；The endpoint of two arched arms is respectively arranged with interconnecting piece 9, i.e., is respectively set on the head and the tail two-end-point of " S " type structure There is an interconnecting piece 9.The platelet 1 is circuit board, it is preferable that the platelet 1 is that (full name in English is flexible printed circuit board Flexible Printed Circuit, abbreviation FPC), the flexible printed circuit board has Distribution density high, light-weight, thick Spend feature thin, that bending is good；The platelet 1 is equipped with key 7, and the key 7 is electrically connected with the control circuit on the platelet 1 It connects, when the user clicks or long-pressing key 7, push action is passed to control circuit, control circuit will be received by pressing Make information conversion, and then pass to platelet 1, platelet 1 is triggered and executes corresponding function；The interconnecting piece 9 connects with the key 7 It connects, the connected structure to match with the keycap 3 is provided on the interconnecting piece 9 of two arched arms, the keycap 3 divides It is not plugged on two interconnecting pieces 9.Keycap 3 is combined by the support portion 2 with the key 7 on platelet 1, it is possible to understand that , keycap is used to bear the active force of external application, while the active force is passed to support portion；Platelet is control circuit The carrier that function is realized；Support portion is equivalent to opening for a triggering platelet job as the bridge connected between platelet and keycap It closes.When the user clicks or when long-pressing keycap 3, active force, that is, pressure that keycap 3 is pressed by user, when 3 stress of keycap pushes Pressure is transmitted to support portion 2,2 stress of support portion presses key 7 in connection, and key 7 is touched by active force The control circuit on platelet 1 is sent out, and then control circuit realizes corresponding function selection.Pass through the resilience using support portion 2 Can, prevent keycap 3 from waving during pressing, and keycap 3 can be stablized and set back, use is more stable.

It should be noted that key 7 can be volume button, it is also possible to power button etc., this programme choosing is sound Key is measured, corresponding control circuit is for controlling volume, when click or long-pressing keycap 3, realize the function of increasing volume, or Person realizes the function of reducing volume.

Referring to Fig. 4 and Fig. 5, in one embodiment, the bottom margin of the keycap 3 is equipped with the skirt 5 of a circle protrusion, The height of the skirt 5 is lower than the press surface of keycap 3.

In this embodiment, the surrounding in the bottom of the keycap 3 forms the skirt 5 of a circle protrusion, and the height of skirt 5 is low In the press surface of keycap 3, skirt 5 has certain rigidity, is unlikely to deform, and in assembly, can be convenient keycap 3 through skirt 5 With shell secure bond, for example by the fixed space for forming sealing of glue, dust can be prevented in this way or prevents water droplet logical It crosses gap and enters shell, play a protective role to the circuit of enclosure interior；Simultaneously when keycap 3 occurs loosening phenomenon, keycap 3 Skirt 5 can prevent keycap 3 from dropping out shell.

Referring to Fig. 4 and Fig. 5, in one embodiment, the keycap 3 is equipped with a cavity, is equipped with and applies among the cavity Splenium 6, the cavity accommodate the interconnecting piece 9, and the pressure unit 6 supports the interconnecting piece 9.

In this embodiment, the skirt 5 is set to 3 bottom outside of keycap and towards extending on the outside of keycap 3, described Skirt 5 encloses the keycap 3 and forms a cavity, is arranged pressure unit 6 among cavity inner wall, the pressure unit 6 out of cavity to Lower extension and the least significant end end face for extending not more than the skirt 5, when the cavity accommodates the arched arm, the pressure unit 6 Support the arched arm in bottom end end face.

Referring to Fig. 4, in one embodiment, the skirt 5 is provided with the notch matched with the arched arm 4, the arched arm is fixed with 4 interference of notch.

In this embodiment, by the way that a notch 4 is arranged in the skirt of keycap 35, when keycap 3 is in conjunction with arched arm, tool There is the effect of fool proof, turn installing to enter if keycap 3 is anti-loaded with during, be easy to find mistake and timely correction, It is easy to operate；After the arched arm runs through the notch 4, the notch 4 is connected and fixed with arched arm interference fit, is passed through 5 notch 4 of skirt of keycap 3 is snapped together with arched arm, and it is not easily to fall off can also to play fixed function.

It in one embodiment, further include seal (not shown), the seal is wrapped in the key 7 On outer surface.

In this embodiment, the key 7 is metal or plastic material, and the seal is silica gel material, the sealing Body is wrapped on the outer surface of the key, so that the key 7 be made to form integral structure with the seal, refers to sealing Body is wrapped on the outer surface of key 7, and seal is connect with flexible circuit board again, not only acts as fixed function, moreover it is possible to so that pressing Key 7 is sealed, to reach waterproof purpose, is improved the waterproof effect of key 7, while silica gel material good hand touch, is improved User experience.

Referring to Fig. 2 and Fig. 3, in one embodiment, the key 7 is equipped with connecting column 8, sets on the interconnecting piece 9 There is the connecting hole 10 to match with connecting column 8.

In this embodiment, the upper surface of key 7 is equipped with connecting column 8, and the connecting column 8 and key 7 are integrally formed knot Structure, connecting column 8 are cylindrical structure, and the interconnecting piece 9 is equipped with connecting hole 10, and the aperture of the connecting hole 10 is slightly larger than cylinder Body basal diameter, the connecting column 8 are fastened with the connecting hole 10 on the interconnecting piece 9 of arched arm and connect.It is understood that Connecting column 8 in present embodiment is in addition to for cylindrical body, or prism, cuboid etc., herein with no restrictions.

Referring to Fig. 2, Fig. 4 and Fig. 5, in one embodiment, the quantity of the keycap 3 and the key 7 is two.

In this embodiment, there are two the keycaps 3, one of them described keycap 3 is in "+" word structure, described in another Keycap 3 is in "-" word structure, by the structural identification of "+" and "-", can prevent setup error in assembly, cause keycap 3 with Key 7 realizes that function is inconsistent, and two keycaps 3 are by the interconnecting piece 9 on two arched arms respectively and described in two Key 7 connects.

In one embodiment, the making material of the keycap 3 includes ABS material.

In this embodiment, ABS (full name in English be Acrylonitrile Butadiene Styrene plastic, with Lower abbreviation ABS engineering plastics), the making material of the keycap 3 is ABS material.This is the preferred material of 3 structure of keycap, is passed through The material can be realized impact resistance, heat resistance, lower temperature resistance, chemical resistance and excellent electrical properties, also has and easily adds The features such as work, product size are stable, lustrous surface is good is easy coating, coloring, can also carry out surface metallization, plating, The secondary operation such as welding, hot pressing and bonding.

The button assembly in summary prevents key 7 from occurring during pressing by the resilience performance using supporting element It waves, and key 7 can be stablized and set back, use is more stable.

Referring to Fig. 6, the utility model also proposes a kind of mobile terminal 11, including button assembly described in above-mentioned any one 12。

Above-mentioned mobile terminal 11 further includes shell, and key hole compatible with the keycap 3 is formed on the shell；Institute Platelet 1 is stated to be disposed in the housing on side；The support portion 2 is immobilized in the shell side；The keycap 3 is plugged on key hole On, and protrude from except the shell.

In this embodiment, key hole compatible with keycap 3 is formed on the shell, platelet 1 is provided with several apertures, Platelet 1 is fixed on the case inside face by aperture, support portion 2 is between platelet 1 and case inside face, keycap 3 It is pierced by after being connect with support portion 2 from out of shell key hole, 3 part of keycap is set to the key hole, another part dew Except the shell.

It should be noted that the utility model proposes mobile terminal 11, need key group described in item using any of the above-described Part 12, wherein mobile terminal 11 can be mobile phone, is also possible to robot, tablet computer etc., does not do exhaustion herein.To sum up institute The button assembly 12 is stated, by the resilience performance using support portion 2, prevents keycap 3 from waving during pressing, and keycap 3 can stablize and set back, and use is more stable.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported Used in other related technical areas, it is also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of button assembly, which is characterized in that including support portion, platelet and keycap；The support portion bending two ends are extended with Two arched arms, the endpoint of two arched arms are respectively arranged with interconnecting piece, and the platelet is equipped with key, the interconnecting piece With described by key connection, the keycap is plugged on the interconnecting piece.

2. button assembly according to claim 1, which is characterized in that the bottom margin of the keycap is equipped with a circle protrusion Skirt, the height of the skirt are lower than the press surface of keycap.

3. button assembly according to claim 1, which is characterized in that the keycap is equipped with a cavity, among the cavity Equipped with pressure unit, the cavity accommodates the interconnecting piece, and the pressure unit supports the interconnecting piece.

4. button assembly according to claim 2, which is characterized in that the skirt is provided with one and the arched arm phase The notch of cooperation, the arched arm are fixed with the notch interference.

5. button assembly according to claim 1, which is characterized in that further include seal, the seal is wrapped in institute It states on the outer surface of key.

6. button assembly according to claim 1, which is characterized in that the key is equipped with connecting column, the interconnecting piece It is equipped with the connecting hole to match with connecting column.

7. button assembly according to claim 1, which is characterized in that the quantity of the keycap and the key is two It is a.

8. button assembly according to claim 1, which is characterized in that the making material of the keycap includes ABS material.

9. a kind of mobile terminal, which is characterized in that including button assembly described in claim 1-8 any one.

10. mobile terminal according to claim 9, which is characterized in that further include shell, be formed on the shell and institute State the compatible key hole of keycap；The platelet is set on the medial surface of the shell；The support portion is immobilized in the shell side； The keycap is plugged on key hole, and is protruded from except the shell.