CN104240998A - Key of terminal - Google Patents
Key of terminal Download PDFInfo
- Publication number
- CN104240998A CN104240998A CN201310241556.5A CN201310241556A CN104240998A CN 104240998 A CN104240998 A CN 104240998A CN 201310241556 A CN201310241556 A CN 201310241556A CN 104240998 A CN104240998 A CN 104240998A
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- China
- Prior art keywords
- button
- silica gel
- steel disc
- stopper
- key
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Telephone Set Structure (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Push-Button Switches (AREA)
Abstract
The invention provides a key of a terminal. The key comprises a key plug, a microswitch and a protective steel sheet, wherein the key plug is arranged in an open hole of a terminal casing and can trigger the microswitch to be switched on or off when pressed down, and the protective steel sheet is fixed on the terminal casing. By means of the key, the microswitch in the key can be protected comprehensively, the hand feeling of the key is improved, and user experience effect is enhanced.
Description
Technical field
The present invention relates to a kind of button of terminal.
Background technology
Along with constantly popularizing of mobile terminal especially smart mobile phone, the key (side switch, button) of restarting being placed in machine side surface or the back side adopts in a large number, current this kind of press-key structure form is roughly divided into following several: 1) welding of mobile phone key sensitive switch on circuit boards, phone housing 11 directly perforate, as shown in the perforate 12 in Fig. 1, utilize start instrument directly to press sensitive switch 13, realize keypress function.2), restart key 21 and be assembled on a part with key, by plastic cement, power is conducted to rubber 22, rubber 22 contacts with restarting key 21, realizes restarting key function.3) key cap of key set 32 adopts TPU (Thermo Plastic Urethane, TPUE) injection mo(u)lding, and hot melt is on shell 33, is out of shape pressing restarts key 31 by TPU.
All there is certain defect in what adopt above version: the frame mode of scheme 1 separately, the simplest mode, and not to sensitive switch protection, foreign matter easily enters in mobile phone, and sensitive switch can stick up bad by sharppointed article.Scheme 2 key is together with restarting key and doing, if both are separately by inapplicable, range of application is narrower; Scheme 3 adopts the scheme of TPU hot melt, and a lot of mobile phone is applied, but TPU is comparatively hard, and elasticity is bad, and when can cause using, feel is stiff or do not have feel, affects Consumer's Experience effect.And for restarting key, volume key or key etc. of taking pictures in mobile phone side, due to spatial limitation, TPU cannot hot melt on housing.If change TPU into silica gel, because softer, can not be completely fixed after shell hot melt, namely enable simple fixing on, repeatedly after pressing, silica gel also easily comes off.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of button of terminal, to realize the sensitive switch omnibearing protection to key inside.
In order to solve the problems of the technologies described above, the invention provides a kind of button of terminal, comprising: button stopper, sensitive switch and protection steel disc, wherein,
Described button stopper, loads in the perforate of terminal enclosure, presses described button stopper and can trigger sensitive switch unlatching or close;
Protection steel disc, is fixed on described button stopper in described terminal enclosure.
Further, above-mentioned button also has feature below: described button stopper comprises:
Stopper steel disc, silica gel and the post supported by described silica gel,
Described stopper steel disc becomes ring type structure, is connected with the upper surface of described silica gel, and the bottom surface of described post is connected to described silica gel.
Further, above-mentioned button also has feature below:
Described stopper steel disc has steel disc gulde edge and annular wall vertically extending with steel disc gulde edge, and described steel disc gulde edge is polygonized structure.
Further, above-mentioned button also has feature below:
Described silica gel comprises: the silica gel gulde edge coordinated with described steel disc gulde edge, supports the silica gel base of described post, and connects the silicone elastomer arm on described silica gel gulde edge and described silica gel base.
Further, above-mentioned button also has feature below:
The cross section of described silicone elastomer arm is U-shaped, S shape or Z-shaped.
Further, above-mentioned button also has feature below:
The hardness of described silica gel is between 40 degree to 60 degree.
Further, above-mentioned button also has feature below:
Described stopper steel disc, described silica gel and described post are shaping by oil pressure.
Further, above-mentioned button also has feature below: the material of described post is following any one:
Makrolon material;
Acrylonitrile-butadiene-styrene copolymer;
The mixture of makrolon material and acrylonitrile-butadiene-styrene copolymer;
The mixture of makrolon material and glass fibre.
Further, above-mentioned button also has feature below:
The size of described protection steel disc central aperture is less than the size of described button stopper.
Further, above-mentioned button also has feature below:
Described protection steel disc is fixed in described terminal enclosure by gum or rivet.
The invention provides a kind of button of terminal, the sensitive switch omnibearing protection to key inside can be realized, and improve handfeel of keys, promote Consumer's Experience effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of restarting bond structure of scheme 1 in prior art;
Fig. 2 is the schematic diagram that the integral type of scheme 2 in prior art restarts bond structure;
Fig. 3 is the schematic diagram that the TPU of scheme 3 in prior art restarts bond structure;
Fig. 4 is the decomposing schematic representation of the button of the embodiment of the present invention;
Fig. 5 is the decomposing schematic representation of the button stopper of the embodiment of the present invention;
Fig. 6 is the cross sectional representation of the button stopper of the embodiment of the present invention;
Fig. 7 is the schematic diagram that the button of the embodiment of the present invention is assemblied on phone housing;
Fig. 8 is the schematic diagram of the cross section of the button of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Fig. 4 is the decomposing schematic representation of the button of the terminal of the embodiment of the present invention, and as shown in Figure 4, the button of the present embodiment can comprise: button stopper 42, protection steel disc 41, sensitive switch 44.
In the present embodiment; button stopper 42 is loaded in the perforate arranged for sensitive switch 44 in phone housing 43; then protection steel disc 41 is attached on phone housing 43; so that button stopper 42 is fixed on phone housing 43; button stopper 42 can avoid power to be directly conducted to sensitive switch 44; protect sensitive switch 44, and protect steel disc 41 to fix button stopper 42, double protection is played to sensitive switch 44 simultaneously.
Fig. 5 is the decomposing schematic representation of the button stopper of the embodiment of the present invention, Fig. 6 is the cross sectional representation of the button stopper of the embodiment of the present invention, Fig. 7 is the schematic diagram that the button of the embodiment of the present invention is assemblied on phone housing, and Fig. 8 is the schematic diagram of the cross section of the button of the embodiment of the present invention.
As shown in the figure, the button plug structure of the present embodiment, comprises stopper steel disc 421, PC (Polycarbonate, Merlon) post 422 and silica gel 423, this silica gel 423 adopts silica gel oil pressure shaping, and stopper steel disc 421 and PC post 422 adopt inserts form one-body molded.
Stopper steel disc 421 has steel disc gulde edge 211 and annular wall 212 vertically extending with steel disc gulde edge 211;
Described silica gel 423 comprises: the silica gel gulde edge 231 coordinated with described steel disc gulde edge 211, supports the silica gel base 233 of described post 422, and connects the silicone elastomer arm 232 on described silica gel gulde edge 231 and described silica gel base 233.
The existence of stopper steel disc 421 ensure that intensity and the rigidity of this part, avoid due to silica gel too soft and cause assemble difficulty situation.During assembling, steel disc gulde edge 211 can be polygonized structure, also can be circular configuration, but button stopper 42 can be fixed in terminal enclosure by polygonized structure, make it not easily to rotate, such as rectangle, can ensure that button stopper 42 can not rotate in shell 43, and silica gel gulde edge 231 limits the position of this part on pressing stroke, effectively ensure that the stroke of button, silica gel gulde edge 231 has steel disc to support behind, intensity is better, shell position-limited edge 432 pairs of silica gel position-limited edges play position-limiting action, prevent button stopper from falling into shell inside, and silicone elastomer arm 232 is to this architecture provides enough elasticity, ensure handfeel of keys effect, promote Consumer's Experience effect.PC post 422 pairs of silica gel 423 serve protective effect, avoid the power of pressing keys directly to touch silica gel, hard object also can be avoided directly to contact silica gel, cause damage to silica gel, improve the life-span of this part.
For protection steel disc 41 and stopper steel disc 421, because stainless steel material intensity is good, easily processing etc., the stainless steel SUS304 that general employing is conventional, but applicable equally for other metal materials, as kirsite, aluminium alloy etc.Because PC toughness of material is good, so PC post 422 adopts PC material, but also can adopt the material such as ABS (acrylonitrile-butadiene-styrene copolymer), PC+ABS (referring to the mixture of both), PC+GF (glass fibre).Silicone elastomer arm 232 cross section adopts U-shaped, can save space, and has and well realize elasticity, but is not limited only to U-shaped, such as S shape, to be Z-shapedly suitable for equally.Silica gel hardness generally between 40 degree to 60 degree, but for the silica gel of other hardness, can adopt equally.This silica gel material also can be replaced with TPU, can play effect same, but poor flexibility, user experience is bad.
In the present embodiment; first button stopper 42 is assembled into shell 43; then protection steel disc 41 is pasted onto on shell 43; shell gulde edge 531 and shell reference column 532 can realize the accurate location protecting steel disc; protection steel disc 41 bore size is less than button stopper 42, avoids button stopper to come off and drops out shell.Paster has the circuit board of sensitive switch 44 to load in shell the most at last.Due to the existence of button stopper 42, sharppointed article etc. cannot directly touch sensitive switch 44, effectively can protect sensitive switch like this.
In the present embodiment; protection steel disc 41 can be pasted onto phone housing by steel disc gum 412; opener or other side key structure are through steel disc perforate 413; power is applied on PC post 422; and power is conducted to silica gel 423 by PC post; there is provided enough strokes by silicone elastomer arm 232 to button, final power is conducted on sensitive switch 44 by silica gel 423.For restarting key or power key, button stopper 42 is generally recessed in protection steel disc 41, and general distance is 0.2-0.3mm, avoids the error in production process to cause PC post to protrude protection steel disc, thus avoids misoperation.Certainly, protection steel disc 41 can also be fixed on phone housing by other means, such as, and little rivet etc.
In the present embodiment, button stopper 42 adopts steel disc, silica gel and PC post oil pressure shaping, steel disc improves intensity, the rigidity of this product, facilitate the assembling of button stopper 42, silica gel ensures that this part has enough elasticity, ensures the feel of button and the conduction of power, when the existence of PC post avoids switching on and shutting down, opener directly with silica gel contact, improves the life-span of this product.Button stopper 42 and shell limited location structure, can avoid stopper to fall into shell inside.
In the present embodiment, under prerequisite easy and simple to handle, realize mobile phone key sensitive switch safety, lasting protection, and improve handfeel of keys, promote cellphone subscriber's experience effect.The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
These are only the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. a button for terminal, is characterized in that, comprising: button stopper (42), sensitive switch (44) and protection steel disc (41), wherein,
Described button stopper (42), loads in the perforate of terminal enclosure, presses described button stopper (42) and can trigger sensitive switch (44) unlatching or close;
Protection steel disc (41), is fixed on described button stopper (42) in described terminal enclosure.
2. button as claimed in claim 1, is characterized in that: described button stopper (42) comprising:
Stopper steel disc (421), silica gel (423) and the post (422) supported by described silica gel (423),
Described stopper steel disc (421) becomes ring type structure, and be connected with the upper surface of described silica gel (423), the bottom surface of described post (422) is connected to described silica gel (423).
3. button as claimed in claim 2, is characterized in that:
Described stopper steel disc (421) have steel disc gulde edge (211) and with steel disc gulde edge (211) vertically extending annular wall (212), described steel disc gulde edge (211) is polygonized structure.
4. button as claimed in claim 3, is characterized in that:
Described silica gel (423) comprising: the silica gel gulde edge (231) coordinated with described steel disc gulde edge (211), support the silica gel base (233) of described post (422), and connect the silicone elastomer arm (232) on described silica gel gulde edge (231) and described silica gel base (233).
5. button as claimed in claim 4, is characterized in that:
The cross section of described silicone elastomer arm (232) is U-shaped, S shape or Z-shaped.
6. the button as described in any one of claim 2-5, is characterized in that:
The hardness of described silica gel (423) is between 40 degree to 60 degree.
7. the button as described in any one of claim 2-5, is characterized in that:
Described stopper steel disc (421), described silica gel (423) and described post (422) are shaping by oil pressure.
8. the button as described in any one of claim 2-5, is characterized in that: the material of described post (422) is following any one:
Makrolon material;
Acrylonitrile-butadiene-styrene copolymer;
The mixture of makrolon material and acrylonitrile-butadiene-styrene copolymer;
The mixture of makrolon material and glass fibre.
9. button as claimed in claim 1, is characterized in that:
The size of described protection steel disc (41) central aperture is less than the size of described button stopper (42).
10. button as claimed in claim 1, is characterized in that:
Described protection steel disc (41) is fixed in described terminal enclosure by gum or rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241556.5A CN104240998A (en) | 2013-06-18 | 2013-06-18 | Key of terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241556.5A CN104240998A (en) | 2013-06-18 | 2013-06-18 | Key of terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104240998A true CN104240998A (en) | 2014-12-24 |
Family
ID=52228887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310241556.5A Pending CN104240998A (en) | 2013-06-18 | 2013-06-18 | Key of terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104240998A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29607785U1 (en) * | 1996-04-30 | 1996-09-12 | MBB Liftsystems AG, 27777 Ganderkesee | Switch cover |
| CN201387830Y (en) * | 2009-02-27 | 2010-01-20 | 青岛海信移动通信技术股份有限公司 | Antistatic key structure and portable mobile terminal |
| CN102760599A (en) * | 2012-06-28 | 2012-10-31 | 赛龙通信技术（深圳）有限公司 | Button switch waterproof structure |
| US20120325637A1 (en) * | 2010-07-23 | 2012-12-27 | Genkei Kikuchi | Push-button switch structure and electronic device having same |
-
2013
- 2013-06-18 CN CN201310241556.5A patent/CN104240998A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29607785U1 (en) * | 1996-04-30 | 1996-09-12 | MBB Liftsystems AG, 27777 Ganderkesee | Switch cover |
| CN201387830Y (en) * | 2009-02-27 | 2010-01-20 | 青岛海信移动通信技术股份有限公司 | Antistatic key structure and portable mobile terminal |
| US20120325637A1 (en) * | 2010-07-23 | 2012-12-27 | Genkei Kikuchi | Push-button switch structure and electronic device having same |
| CN102760599A (en) * | 2012-06-28 | 2012-10-31 | 赛龙通信技术（深圳）有限公司 | Button switch waterproof structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |
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| RJ01 | Rejection of invention patent application after publication |