CN202352563U - Key structure and point of sales (POS) machine - Google Patents
Key structure and point of sales (POS) machine Download PDFInfo
- Publication number
- CN202352563U CN202352563U CN 201120463367 CN201120463367U CN202352563U CN 202352563 U CN202352563 U CN 202352563U CN 201120463367 CN201120463367 CN 201120463367 CN 201120463367 U CN201120463367 U CN 201120463367U CN 202352563 U CN202352563 U CN 202352563U
- Authority
- CN
- China
- Prior art keywords
- button
- projection
- key structure
- operation panel
- operating portion
- 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
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a key structure, which comprises keys and an operating panel, wherein the operating panel comprises an isolating layer, a flexible circuit board and a reinforcing board, wherein the flexible circuit board consists of a connecting part and an operating part; the connecting part is electrically connected with an external circuit, and the operating part is provided with a main circuit and is fixed on the reinforcing board; a switch contact is arranged on the operating part which is covered by the isolating layer; a metal elastic sheet is arranged on the isolating layer opposite to the switch contact; the metal elastic sheet is pressed to control the on/off of the main circuit on the flexible circuit board; and the keys are detachably connected with the operating panel. The utility model also provides a point of sales (POS) machine employing the key structure; when the POS machine is used, the keys and a control board are fixed together; the control board is connected with a control main board; a shell of the POS machine directly clamps the key structure; when the POS machine is disassembled, because the control board is connected with the control main board, the key structure is hung on the control main board, and the keys cannot fall off to avoid damage.
Description
Technical field
The utility model relates to electronic device field, is specifically related to a kind of press-key structure and uses the POS machine of this press-key structure.
Background technology
The abbreviation of POS (Point of sales); The meaning of Chinese is a point of sales terminal; Refer in general sense be the place of purchase payment in the market, generally speaking, POS refers to the calculator transaction system that automatic supermarket uses; Utilize scanner reading tag and bar code, electronic cash register and utilize other special equipment to write down the income of this point of sale, the POS machine refers to the terminating machine that this process is used.
At present, the ten minutes that the POS machine uses on the market is extensive, no matter is in industries such as finance, oiling, telecommunications.
Side key above the traditional P OS machine generally is divided into circuit board and button, and button and circuit board separate, and at first circuit board is linked to each other with control main board; Be stuck in then between the shell, button also is stuck between two housings, and is very inconvenient during assembling; On the other hand, when dismounting POS machine, open shell; Button is deviate from shell easily, falls to cause breakage, takes shell test inconvenience apart.
The utility model content
The purpose of the utility model be to provide a kind of life-span long, anti-seismic performance good, steadiness good, press-key structure easy for installation and use the POS machine of this press-key structure.
For solving the problems of the technologies described above, the utility model provides a kind of press-key structure, comprises button and operation panel; Said operation panel comprises separator, flexible PCB and stiffening plate; Said flexible PCB is made up of connecting portion that is electrically connected with external circuitry and the operating portion that is provided with main circuit, and operating portion is fixed on the stiffening plate, and operating portion is provided with switch contact; Said operating portion is covered by separator; Corresponding switch contact is provided with metal clips on the separator, the break-make by main circuit on the pressure-controlled flexible PCB of metal clips, and said button and operation panel adopt releasable connection.
Improvement as the utility model; Said button is provided with the projection towards operation panel; The material of button and projection is a silicon rubber, and the corresponding projection of said operation panel position offers the fixing hole that is complementary with projection, and projection is provided with the boss that circumferentially extends along projection; The diameter of boss is greater than the diameter of fixing hole, projection pass behind the fixing hole by boss fixedly button on operation panel.
As the improvement of the utility model, said button and projection are one-body molded.
As the improvement of the utility model, the material of said button and projection is a sulphurated siliastic.
As the improvement of the utility model, said button adopts with operating portion and is threaded, through bolts and nuts or screw and screw matching and fixing button and operating portion.
As the improvement of the utility model, corresponding metal clips position is provided with and is convenient to the convexity that metal clips is pushed on the said button.
For solving the problems of the technologies described above, the utility model further provides a kind of POS machine, comprises the shell of accommodating each functional module; With the control main board that the shell coupling is installed, said shell side is provided with press-key structure, comprises button and operation panel; Said operation panel comprises separator, flexible PCB and stiffening plate; Said flexible PCB is made up of connecting portion that is electrically connected with external circuitry and the operating portion that is provided with main circuit, and operating portion is fixed on the stiffening plate, and operating portion is provided with switch contact; Said operating portion is covered by separator; Corresponding switch contact is provided with metal clips on the separator, the break-make by main circuit on the pressure-controlled flexible PCB of metal clips, and said button and operation panel adopt releasable connection.
The beneficial effect of the utility model is: the utility model adopts button and control board releasable connection, when using, button and control board is fixed together, and control board links to each other with control main board then; The casing of POS machine directly blocks whole press-key structure; Can realize the installation of press-key structure and POS machine, in dismounting, also because with being connected of control main board; Make press-key structure can hang on the control main board, its button can not fall and causes damaging.Made things convenient for loading and unloading, improved steadiness simultaneously, it is simple in structure and easy to operate, can under the situation of not assembling casing, accomplish test, maintenance.
Description of drawings
Accompanying drawing 1 is the structural representation one of the utility model;
Accompanying drawing 2 is the structural representation two of the utility model.
Label declaration: 1-button; The 11-projection; The 111-boss; The 2-separator; The 21-metal clips; The 3-flexible PCB; 31-connecting portion 32-operating portion; The 321-switch contact; The 4-stiffening plate.
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.
The utility model provides a kind of embodiment of press-key structure, with reference to accompanying drawing 1 and accompanying drawing 2, comprises button 1 and operation panel shown in the accompanying drawing; Said operation panel comprises separator 2, flexible PCB 3 and stiffening plate 4; Said flexible PCB 3 is made up of connecting portion that is electrically connected with external circuitry 31 and the operating portion 32 that is provided with main circuit, and operating portion 32 is fixed on the stiffening plate 4, and operating portion 32 is provided with switch contact 321; Said operating portion 32 is covered by separator 2; Corresponding switch contact 321 is provided with metal clips 21 on the separator 2, the break-make by main circuit on the pressure-controlled flexible PCB 3 of metal clips 21, and said button 1 adopts releasable connection with operation panel.
The operating portion 32 of flexible PCB 3 is fixed on the stiffening plate 4; Can adopt fixed forms such as bonding, riveted joint, cover separator 2 afterwards, separator 2 can play the effect of protection flexible PCB 3; And also be provided with a metal clips 21 on the separator 2; The i.e. young sheet of pot, according to the needs of different product structure and class, the young sheet of pot can carry out nickel plating, different surface treatment method such as silver-plated, gold-plated.Push the break-make that metal clips 21 can be realized main circuit through button 1; Metal clips 21 is convex shape towards button 1; Can recover original raised position after pushing; A plurality of switch contacts 321 and metal clips 21 and button 1 can be set according to the needs of main circuit, realize complicated circuitry control.
Adopt button 1 and control board releasable connection, in use button 1 and control board are fixed together, be fixed on then on its shell; Integral body can be articulated in a position, and when having got rid of traditional casing and opening, button 1 separates with control board; Fall and cause damaging; Easy to loading and unloading, improved steadiness simultaneously, it is simple in structure and easy to operate.
In the present embodiment; With reference to accompanying drawing 1 and accompanying drawing 2, said releasable connection shown in the accompanying drawing is specially: said button 1 is provided with the projection 11 towards operation panel, and button 1 is a silicon rubber with the material of projection 11; The corresponding projection of said operation panel 11 positions offer the fixing hole that is complementary with projection 11; Projection 11 is provided with and prolongs the boss 111 that projection 11 circumferentially extends, and the diameter of boss 111 is greater than the diameter of fixing hole, projection 11 pass behind the fixing hole by boss 111 fixedly button 1 on operation panel.
Because what projection 11 adopted is silicon rubber, so though the diameter of boss 111 greater than the diameter of fixing hole, firmly still can pass fixing hole with boss 111; It is fixing that the contact-making surface of the bottom surface of button and boss 111 blocks the operation panel realization respectively afterwards; Promptly be the barb-like operation panel that hooks, pull at afterwards and can button be separated with operation panel, when being in daily use; Do not receive so big pulling force, so can reach firm basically.
The boss 111 of the utility model is arranged on the projection 11 position that differs operation panel thickness with button 1 bottom surface; Effective fixing operation plate; And the length of projection 11 do not limit, and can know the length of boss 111, forms the silicon rubber of a similar mushroom; Long, unnecessary part also can be set for ease of passing the guide pillar of fixing hole.
On the other hand, the quantity of said projection 11 does not limit, and in the present embodiment, the quantity of projection 11 is two, is arranged on the both sides of button 1, and it all has relation, the utility model not to limit the quantity and the position of projection 11 in the quantity of button 1 and the structure of shell etc.
Wherein, said button 1 is one-body molded with projection 11.
One-body moldedly can practice thrift operation, make overall structure consolidate more, among another embodiment, projection 11 is removable be arranged on the button 1 can be at any time according to the position and the size of external environment change projection 11.
In the present embodiment, said button 1 is a sulphurated siliastic with the material of projection 11, and the distinguishing feature of this rubber is at room temperature need not heat, pressurize and can solidify on the spot, and it is extremely convenient to use.
As another kind of releasable connection in the present embodiment, said button 1 adopts with operating portion 32 and is threaded, through bolts and nuts or screw and screw matching and fixing button 1 and operating portion 32.
Adopt screw thread fixing fixedly button 1 and control board that can be more firm, certainly adopt the releasable connection modes such as trip connection of hard.
In the present embodiment, with reference to accompanying drawing 1 and accompanying drawing 2, shown in the accompanying drawing on the said button 1 corresponding metal clips 21 positions be provided with and be convenient to the convexity that metal clips 21 is pushed; Protruding and metal clips 21 is oppositely arranged; During pressing keys 1, convexity is withstood metal clips 21, makes connecting and disconnecting of the circuit; Button 1 answer position afterwards, metal clips 21 is the position of answer itself also.
The utility model further provides a kind of embodiment of POS machine, comprises the shell of accommodating each functional module, and with the control main board that the shell coupling is installed, said shell side is provided with press-key structure.
In the present embodiment; Said button 1 is provided with the projection 11 towards operation panel; Button 1 is a silicon rubber with the material of projection 11, and the corresponding projection of said operation panel 11 positions offer the fixing hole that is complementary with projection 11, and projection 11 is provided with and prolongs the boss 111 that projection 11 circumferentially extends; The diameter of boss 111 is greater than the diameter of fixing hole, projection 11 pass behind the fixing hole by boss 111 fixedly button 1 on operation panel.
In the present embodiment, said button 1 is one-body molded with projection 11.
In the present embodiment, said button 1 is a sulphurated siliastic with the material of projection 11.
In the present embodiment, said button 1 adopts with operating portion 32 and is threaded, through bolts and nuts or screw and screw matching and fixing button 1 and operating portion 32.
In the present embodiment, corresponding metal clips 21 positions are provided with and are convenient to the convexity that metal clips 21 is pushed on the said button 1.
When using, button 1 and control board are fixed together; Control board links to each other with control main board then, and the casing of POS machine directly blocks whole button 1 structure, can realize the installation of button 1 structure and POS machine; In dismounting; Also because with being connected of control main board, make button 1 structure can hang on the control main board, its button 1 can not fall and causes damaging.Made things convenient for loading and unloading, improved steadiness simultaneously, it is simple in structure and easy to operate.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (7)
1. a press-key structure is characterized in that, comprises button and operation panel; Said operation panel comprises separator, flexible PCB and stiffening plate; Said flexible PCB is made up of connecting portion that is electrically connected with external circuitry and the operating portion that is provided with main circuit, and operating portion is fixed on the stiffening plate, and operating portion is provided with switch contact; Said operating portion is covered by separator; Corresponding switch contact is provided with metal clips on the separator, the break-make by main circuit on the pressure-controlled flexible PCB of metal clips, and said button and operation panel adopt releasable connection.
2. press-key structure according to claim 1; It is characterized in that said button is provided with the projection towards operation panel, the material of button and projection is a silicon rubber; The corresponding projection of said operation panel position offers the fixing hole that is complementary with projection; Projection is provided with and prolongs the boss that projection circumferentially extends, and the diameter of boss is greater than the diameter of fixing hole, projection pass behind the fixing hole by boss fixedly button on operation panel.
3. press-key structure according to claim 2 is characterized in that said button and projection are one-body molded.
4. press-key structure according to claim 2 is characterized in that, the material of said button and projection is a sulphurated siliastic.
5. press-key structure according to claim 1 is characterized in that, said button adopts with operating portion and is threaded, through bolts and nuts or screw and screw matching and fixing button and operating portion.
6. press-key structure according to claim 1 is characterized in that, corresponding metal clips position is provided with and is convenient to the convexity that metal clips is pushed on the said button.
7. a POS machine comprises the shell of accommodating each functional module, and with the control main board that the shell coupling is installed, said shell side is provided with any described press-key structure like claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120463367 CN202352563U (en) | 2011-11-18 | 2011-11-18 | Key structure and point of sales (POS) machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120463367 CN202352563U (en) | 2011-11-18 | 2011-11-18 | Key structure and point of sales (POS) machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202352563U true CN202352563U (en) | 2012-07-25 |
Family
ID=46541547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120463367 Expired - Fee Related CN202352563U (en) | 2011-11-18 | 2011-11-18 | Key structure and point of sales (POS) machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202352563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576140A (en) * | 2013-10-09 | 2015-04-29 | 虹堡科技股份有限公司 | Security defense design of financial transaction device |
-
2011
- 2011-11-18 CN CN 201120463367 patent/CN202352563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576140A (en) * | 2013-10-09 | 2015-04-29 | 虹堡科技股份有限公司 | Security defense design of financial transaction device |
| CN104576140B (en) * | 2013-10-09 | 2017-03-01 | 虹堡科技股份有限公司 | The safety device of finance trading device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8552294B2 (en) | Cable management apparatus | |
| CN103327765A (en) | Battery cover push-out module and portable electronic device using same | |
| US8547691B2 (en) | Mounting clamp for USB device and motherboard assembly incorporating the same | |
| CN202352563U (en) | Key structure and point of sales (POS) machine | |
| US8477512B2 (en) | Electronic device | |
| CN107275823B (en) | Connection component, power supply device and mobile terminal | |
| CN102103775A (en) | Mobile POS terminal | |
| CN102566687A (en) | Extended card fixing device | |
| US8247719B2 (en) | Button device | |
| US8414305B2 (en) | Connector assembly | |
| CN203084841U (en) | POS machine with safety mechanism | |
| CN207601797U (en) | Anti- telephone-moving safety keyboard | |
| US8105093B2 (en) | Socket assembly for fixing an IC on a circuit plate | |
| US20080050202A1 (en) | Fastening device | |
| CN205750643U (en) | The shell of mobile terminal and mobile terminal | |
| CN201044260Y (en) | Notebook computer antenna fixing structure | |
| CN202120371U (en) | Mobile POS terminal | |
| CN202585203U (en) | Keyboard | |
| US7850464B2 (en) | Keyboard connecting mechanism capable of assembling a keyboard conveniently | |
| CN113963972A (en) | Electronic device | |
| CN109285709B (en) | Large-stroke key switch with larger over-stroke | |
| CN218125081U (en) | Detain bit architecture and intelligent terminal | |
| CN214672316U (en) | Key module and electronic equipment | |
| CN201087980Y (en) | Non-screw releasing gear | |
| CN220730906U (en) | Safe anti-disassembly structure and POS machine |
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: 20120725 Termination date: 20201118 |