CN202534567U - Cell phone key board - Google Patents
Cell phone key board Download PDFInfo
- Publication number
- CN202534567U CN202534567U CN2012200264947U CN201220026494U CN202534567U CN 202534567 U CN202534567 U CN 202534567U CN 2012200264947 U CN2012200264947 U CN 2012200264947U CN 201220026494 U CN201220026494 U CN 201220026494U CN 202534567 U CN202534567 U CN 202534567U
- Authority
- CN
- China
- Prior art keywords
- metal clips
- belling
- collection
- apex
- occlusion structure
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a cell phone key board. The cell phone key board includes a printed circuit board having a plurality of fixed contact points formed on the upper surface; an arc-shaped metal spring arranged on the printed circuit board, provided with a periphery part contacting with the fixed contact points on two sides all along, and provided with a top point part contacting or disconnecting with the fixed contact point in the center through generating elastic deformation and restoration, thereby realizing an effect of a switch; a gasket arranged on the printed circuit board and receiving the metal spring; and an upper embedded sheet arranged on the upper surface of the gasket and fixing the metal spring, wherein the upper surface of the top point part of the metal spring or the lower surface of the upper embedded sheet is adhered with a pressure concentrating boss through using adhesives. A first engaging structure and a second engaging structure are formed on the metal spring and the pressure concentrating boss respectively. The first engaging structure and the second engaging structure can be engaged with each other, thereby preventing the pressure concentrating boss from sliding along the surface of the metal spring on the top point part of the metal spring.
Description
Technical field
The utility model relates to a kind of cell phone keyboard; Specify for, relate to a kind of even without accurately by to the button centre, the central portion of metal clips also can normally produce elastic deformation; Thereby can accurately realize switching function all the time, and cell phone keyboard with good click sense of touch.
Background technology
In general, as shown in Figure 1, cell phone keyboard comprises: upper surface is formed with the printed circuit board (PCB) 1 of a plurality of fixed contact 1a, 1b; Be configured on the printed circuit board (PCB) 1, the marginal portion contacts with the fixed contact 1b of both sides all the time, and apex contacts with the fixed contact 1a of central authorities through generation elastic deformation and recovery or breaks off, thereby realizes the arch metal clips 2 of switching function; Be configured on the printed circuit board (PCB) 1, accommodate the pad 3 of metal clips 2; And the upper surface that is positioned at pad 3, adhere to the last empiecement 4 of fixing metal shell fragment 2 through bonding agent 4a.
As long as press the button 5 that unclamps metal clips 2 tops again, the apex of metal clips 2 will produce elastic deformation downwards, contacts with the fixed contact 1a of central authorities, and subsequently, involution original position under the elastic-restoring force effect is broken off with contact, thereby realizes switching function.
Act on active force on the button 5 and must accurately be delivered to the apex of metal clips 2; The apex that just can guarantee metal clips 2 normally produces elastic deformation; So that the apex of crooked metal clips 2 can effectively contact with the fixed contact 1a of central authorities, realize switching function accurately, simultaneously downwards; When button 5 is carried out clicking operation, can keep the click sense of touch of the sort of " click clatter " well.
Like Fig. 1 and shown in Figure 2, can use bonding agent adhere to the collection belling in the apex of metal clips 2 in the past and play 6, the active force that makes button 5 through the collection belling rise 6 concentrate on metal clips 2 apex, to guarantee to carry out switching function accurately.
But; The collection belling that said structure in the past need use bonding agent 7 to adhere to the synthetic resin material on the metal clips 2 of stainless steel plays 6; Because adhesion far is weaker than bonding between the synthetic resin material, therefore when metal clips 2 carries out elastic deformation repeatedly and restores, can collects belling and play 6 phenomenons that come off from metal clips 2; Though adhered to empiecement 4 at the upper surface of metal clips 2; Can prevent that the collection belling that comes off from playing 6 and breaking away from from the tops of metal clips 2, but as shown in Figure 2, be difficult to prevent to collect belling and play 6 and slide along the surface of metal clips in the apex of metal clips 2.
In addition; As shown in Figure 3, when use bonding agent 7 the collection belling rise adhere on 6 with the collection belling rise 6 identical synthetic resin materials on during empiecement 4, owing to being the synthetic resin material; Can keep and compare the stronger adhesion of metal clips 2; But, separates formation because the collection belling plays 6 with metal clips 2, thus be difficult to equally to prevent to collect belling rise 6 with last empiecement 4 in the surface slip of the apex of metal clips 2 along metal clips.
Because the collection belling plays 6 slip; The active force of button 5 can not accurately be delivered to the apex of metal clips 2, so metal clips 2 just can not normally produce elastic deformation, therefore can cause the switch loose contact; Simultaneously, the click sense of touch in the time of can significantly reducing operation push-button 5.
The utility model content
The utility model proposes for addressing the above problem; When its objective is that providing that a kind of apex at metal clips is integrated adheres to collection belling rises; The pressure of button can prevent to collect belling and rise in the apex of metal clips and slide, so that can play the cell phone keyboard of the apex that accurately is delivered to metal clips all the time through the collection belling along the surface of metal clips.
For achieving the above object, the cell phone keyboard of the utility model comprises: upper surface is formed with the printed circuit board (PCB) of a plurality of fixed contacts; Be configured on the printed circuit board (PCB), the marginal portion contacts with the fixed contact of both sides all the time, and apex contacts with the fixed contact of central authorities through generation elastic deformation and recovery or breaks off, thereby realizes the arch metal clips of switching function; Be configured on the printed circuit board (PCB), accommodate the pad of metal clips; And the upper surface that is positioned at pad, the last empiecement of fixing metal shell fragment; Wherein, Using bonding agent to be attached with the collection belling at the upper surface of the apex of said metal clips rises; Said metal clips rises with the collection belling and is formed with first occlusion structure and second occlusion structure respectively; This first occlusion structure and the interlock each other of second occlusion structure rise in the apex of metal clips and slide along the surface of metal clips to prevent to collect belling.
In addition, the cell phone keyboard of the utility model comprises: upper surface is formed with the printed circuit board (PCB) of a plurality of fixed contacts; Be configured on the printed circuit board (PCB), the marginal portion contacts with the fixed contact of both sides all the time, and apex contacts with the fixed contact of central authorities through generation elastic deformation and recovery or breaks off, thereby realizes the arch metal clips of switching function; Be configured on the printed circuit board (PCB), accommodate the pad of metal clips; And the upper surface that is positioned at pad, the last empiecement of fixing metal shell fragment; Wherein, The lower surface of empiecement uses bonding agent to be attached with the collection belling to rise on said; Said metal clips rises with the collection belling and is formed with first occlusion structure and second occlusion structure respectively; This first occlusion structure and the interlock each other of second occlusion structure rise in the apex of metal clips and slide along the surface of metal clips to prevent to collect belling.
Said first occlusion structure is by constituting in the apex of the metal clips interlock convexity that forms protruding upward, and said second occlusion structure constitutes by work the interlock hole that makes the interlock convexity of metal clips can insert wherein that forms at said collection belling.
In addition, said first occlusion structure is made up of the occlusal crib that the apex at metal clips is recessed to form downwards, and said second occlusion structure is made up of the outward flange that the collection belling in the occlusal crib that is inserted into metal clips rises.
The utlity model has said characteristic; Rise and be formed with first occlusion structure and second occlusion structure respectively at metal clips and collection belling; And this first occlusion structure and the interlock each other of second occlusion structure; Rise in the apex of metal clips and slide to prevent to collect belling along the surface of metal clips; Therefore come off even use bonding agent to rise owing to adhesion weakens, also can pass through first occlusion structure and second occlusion structure, prevent to collect belling and rise in the surface slip of the apex of metal clips along metal clips attached to the collection belling on the metal clips.
In addition; The utility model rises with the collection belling at metal clips and is formed with first occlusion structure and second occlusion structure respectively; And this first occlusion structure and the interlock each other of second occlusion structure; Rise in the apex of metal clips and slide to prevent to collect belling along the surface of metal clips; Therefore separate formation, also can pass through first occlusion structure and second occlusion structure even will use bonding agent to rise with metal clips, prevent to collect belling and rise in the surface slip of the apex of metal clips along metal clips attached to the collection belling on the last empiecement.
In addition; Through preventing to collect the slip that belling rises; Can all the time the active force of button be delivered to exactly the apex of metal clips, normally produce elastic deformation all the time to guarantee metal clips, thereby can accurately realize switching function; Simultaneously, the good click sense of touch in the time of can keeping button operation.
Description of drawings
Fig. 1 is the cutaway view of cell phone keyboard in the past.
Fig. 2 is the cutaway view that in the past on metal clips, adhered to the state that rises of collection belling.
Fig. 3 is the cutaway view that in the past on last empiecement, adhered to the state that rises of collection belling.
Fig. 4 is the cutaway view of the cell phone keyboard of the utility model first execution mode.
Fig. 5 to Fig. 7 is the cutaway view and the floor map of on metal clips, adhering to the state that rises of collection belling according to the utility model first execution mode.
Fig. 8 and Fig. 9 are the cutaway views according to the another kind distortion execution mode of the utility model first execution mode.
Figure 10 is the cutaway view according to the cell phone keyboard of the utility model second execution mode.
Figure 11 and Figure 12 are the cutaway view and the floor map of on metal clips, adhering to the state that rises of collection belling according to the utility model second execution mode.
Figure 13 is the cutaway view that on last empiecement, adheres to the state that rises of collection belling according to the utility model second execution mode.
Description of reference numerals
11: printed circuit board (PCB) 11a, 11b: fixed contact
12: metal clips 12a: interlock is protruding
112a: occlusal crib 13: pad
14: go up empiecement 15: button
16,116: the collection belling plays 16a: the interlock hole
116a: outward flange 17: bonding agent
Embodiment
Cell phone keyboard to the utility model is elaborated with reference to the accompanying drawings.
Fig. 4 to Fig. 7 is the sketch map of the utility model first execution mode, and is as shown in Figure 4, and the cell phone keyboard of the utility model comprises: upper surface is formed with the printed circuit board (PCB) 11 of a plurality of fixed contact 11a, 11b; Be configured on the printed circuit board (PCB) 11, the marginal portion contacts with the fixed contact 11b of both sides all the time, and apex is through contacting with the fixed contact 11a of central authorities or break off, thereby realizes the arch metal clips 12 of the stainless steel of switching function; Be configured on the printed circuit board (PCB) 11, accommodate the pad 13 of metal clips 12; And be positioned at pad 13 upper surfaces, adhere to the last empiecement 14 of fixing metal shell fragment 12 through binding agent 14a.
When pressing the button 15 that unclamps the configuration of metal clips 12 tops again, the apex of metal clips 12 will produce elastic deformation downwards, contacts with the fixed contact 11a of central authorities; Subsequently, involution original position under the effect of elastic-restoring force is broken off with contact; Thereby realization switching function, the lower surface of the apex of metal clips 12 are formed with a plurality of downward contact projection 12b, even and have foreign matter between the fixed contact 11a of central authorities; Also effective contact can be formed, thereby incorrect switching can be prevented.
In addition, like Fig. 5 and shown in Figure 6, the collection belling that the upper surface of the apex of said metal clips 12 uses bonding agent 17 to be attached with to be used for the force localization with button 15 to be delivered to the apex of metal clips 12 plays 16; Said metal clips 12 rises with the collection belling and is formed with first occlusion structure and second occlusion structure on 16 respectively, and the two interlock each other plays 16 in the surface slip along metal clips 12 of the apex of metal clips 12 to prevent to collect belling.
First occlusion structure of first execution mode is by constituting at the protruding 12a of the apex of the metal clips 12 circular interlock that forms protruding upward, and second occlusion structure is made up of the circular interlock hole 16a that plays the protruding 12a of the interlock that can insert metal clips 12 that forms on 16 at the collection belling.
The shape of protruding 12a of said interlock and interlock hole 16a is not limited to circle, so long as the shape of interlock each other can adopt.In addition; As shown in Figure 5, the protruding 12a of said interlock forms through mode from brake forming to the top that use stamping machine that the apex of metal clips 12 is carried out, and is perhaps as shown in Figure 7; Also can be earlier in the apex punching of metal clips 12, the edge part with the hole is bent upwards formation then.
The utility model first execution mode that constitutes by said structure; The protruding 12a of interlock that the apex of metal clips 12 is formed is inserted into the collection belling and rises among 16 the interlock hole 16a; And use bonding agent 17 to adhere to the collection belling and play 16 at the upper surface of the apex of metal clips 12; Therefore, even carry out repeatedly in the process of elastic deformation and recovery, because the adhesion of bonding agent 17 descends at metal clips 12; Making the collection belling play 16 comes off from metal clips 12; The last empiecement 14 that metal clips 12 upper surfaces adhere to also can prevent to collect belling and play 16 tops from metal clips 12, that is, come off along the direction that breaks away from metal clips 12; And can prevent to collect belling as protruding 12a of the interlock of first occlusion structure and second occlusion structure and interlock hole 16a and play 16 and slide along the surface of metal clips 12 in the apex of metal clips 12, thereby having guaranteed that the collection belling plays 16 can be in the apex slip of metal clips 12.
Fig. 8 and Fig. 9 are the distortion execution modes of first execution mode, except that use bonding agent 17 will collect belling rise 16 attached to the structure of the lower surface of last empiecement 14 different with Fig. 5 and execution mode shown in Figure 7, other structure is identical.
Said distortion execution mode; Though playing 16, the collection belling constitutes with the state that is separated from each other with metal clips 12; But pass through as the mutual interlock between protruding 12a of the interlock of first occlusion structure and second occlusion structure and the interlock hole 16a; Can prevent to collect belling equally and play 16 and slide along the surface of metal clips 12, position thereby can play 16 to the collection belling in the apex of metal clips 12 in the apex of metal clips 12.
Figure 10 to Figure 13 is the sketch map of the utility model second execution mode; Second execution mode such as Figure 10 and shown in Figure 11; Wherein, first occlusion structure is made up of the occlusal crib 112a that the apex at metal clips 112 is recessed to form downwards, and second occlusion structure plays 116 outward flange 116a by the collection belling among the occlusal crib 112a that is inserted into metal clips 112 and constitutes; Except these structures were different with first execution mode, other structure was identical.For identical structure, used identical symbol in the accompanying drawing, here detailed.
Identical with first execution mode; Said second execution mode inserts the collection belling and plays 116 outward flange 116a in the occlusal crib 112a of the apex formation of metal clips 112; And use bonding agent 17 to adhere to the collection belling at the upper surface of the apex of metal clips 112 and play 116; Therefore, even carry out repeatedly in the process of elastic deformation and recovery, because the adhesion of bonding agent 17 descends at metal clips 112; Making the collection belling play 116 comes off from metal clips 112; The last empiecement 14 that the upper surface of metal clips 112 adheres to also can prevent to collect belling and play 116 tops from metal clips 112, that is, come off along the direction that breaks away from metal clips 112; And can prevent to collect belling as the occlusal crib 112a of first occlusion structure and second occlusion structure and outward flange 116a and play 116 and slide along the surface of metal clips 112, thereby guaranteed that the collection belling plays 116 and can not slide in the apex of metal clips 112 in the apex of metal clips 112.
Figure 13 is the distortion execution mode of second execution mode, except that use bonding agent 17 will collect belling rise 116 attached to the structure of the lower surface of last empiecement 14 different with execution mode shown in Figure 11, other structure is identical.
In the said distortion execution mode; Though playing 116, the collection belling constitutes with the state that is separated from each other with metal clips 112; But pass through as the occlusal crib 112a of first occlusion structure and second occlusion structure and the mutual interlock between the outward flange 116a; Can prevent to collect belling equally and play 116 and slide along the surface of metal clips 112, position thereby can play 116 to the collection belling in the apex of metal clips 112 in the apex of metal clips 112.
As stated; In first execution mode and second execution mode; Through rise at the collection belling 16,116 and metal clips 12,112 on form first occlusion structure and second occlusion structure of interlock each other respectively, can prevent to collect belling and play 16,116 and slide along the surface of metal clips 12,112, so can all the time the active force of button 15 accurately be delivered to the apex of metal clips 12,112 in the apex of metal clips 12,112; To guarantee that metal clips 12,112 can normally produce elastic deformation all the time; Thereby can accurately realize switching function, simultaneously, the good click sense of touch in the time of can also keeping button 15 operations.
More than the utility model preferred implementation is illustrated; The utility model claim scope is not limited to said execution mode; Under the situation that does not break away from the utility model technological thought and claim scope; Those skilled in the art can carry out numerous variations, distortion, displacement, and these execution modes must belong to the claim scope of the utility model.
Claims (4)
1. a cell phone keyboard is characterized in that, this cell phone keyboard comprises: upper surface is formed with the printed circuit board (PCB) of a plurality of fixed contacts; Be configured on the said printed circuit board (PCB), the marginal portion contacts with the said fixed contact of both sides all the time, and apex contacts with the said fixed contact of central authorities through generation elastic deformation and recovery or breaks off, thereby realizes the arch metal clips of switching function; Be configured on the said printed circuit board (PCB), accommodate the pad of said metal clips; And the upper surface that is positioned at said pad, the last empiecement of fixing said metal clips; Wherein, Using bonding agent to be attached with the collection belling at the upper surface of the apex of said metal clips rises; Said metal clips and said collection belling rise and are formed with first occlusion structure and second occlusion structure respectively; This first occlusion structure and the interlock each other of second occlusion structure are slided along the surface of said metal clips to prevent that said collection belling from rising in the apex of said metal clips.
2. a cell phone keyboard is characterized in that, this cell phone keyboard comprises: upper surface is formed with the printed circuit board (PCB) of a plurality of fixed contacts; Be configured on the said printed circuit board (PCB), the marginal portion contacts with the said fixed contact of both sides all the time, and apex contacts with the said fixed contact of central authorities through generation elastic deformation and recovery or breaks off, thereby realizes the arch metal clips of switching function; Be configured on the said printed circuit board (PCB), accommodate the pad of said metal clips; And the upper surface that is positioned at said pad, the last empiecement of fixing said metal clips; Wherein, The lower surface of empiecement uses bonding agent to be attached with the collection belling to rise on said; Said metal clips and said collection belling rise and are formed with first occlusion structure and second occlusion structure respectively; This first occlusion structure and the interlock each other of second occlusion structure are slided along the surface of said metal clips to prevent that said collection belling from rising in the apex of said metal clips.
3. cell phone keyboard according to claim 1 and 2; It is characterized in that; Said first occlusion structure is by constituting in the apex of the said metal clips interlock convexity that forms protruding upward, and said second occlusion structure constitutes by work the interlock hole that makes the interlock convexity of said metal clips can insert wherein that forms at said collection belling.
4. cell phone keyboard according to claim 1 and 2; It is characterized in that; Said first occlusion structure is made up of the occlusal crib that the apex at said metal clips is recessed to form downwards, and said second occlusion structure is made up of the outward flange that the said collection belling in the occlusal crib that is inserted into said metal clips rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200264947U CN202534567U (en) | 2012-01-19 | 2012-01-19 | Cell phone key board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200264947U CN202534567U (en) | 2012-01-19 | 2012-01-19 | Cell phone key board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202534567U true CN202534567U (en) | 2012-11-14 |
Family
ID=47135730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200264947U Expired - Fee Related CN202534567U (en) | 2012-01-19 | 2012-01-19 | Cell phone key board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202534567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015127726A1 (en) * | 2014-02-25 | 2015-09-03 | 上海拜骋电器有限公司 | Trigger switch |
-
2012
- 2012-01-19 CN CN2012200264947U patent/CN202534567U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015127726A1 (en) * | 2014-02-25 | 2015-09-03 | 上海拜骋电器有限公司 | Trigger switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20190119 |