CN203552349U - Anti-disassembling device for ATM code keyboard protective cover - Google Patents
Anti-disassembling device for ATM code keyboard protective cover Download PDFInfo
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- CN203552349U CN203552349U CN201320759562.5U CN201320759562U CN203552349U CN 203552349 U CN203552349 U CN 203552349U CN 201320759562 U CN201320759562 U CN 201320759562U CN 203552349 U CN203552349 U CN 203552349U
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- Prior art keywords
- contact
- protective cover
- keyboard protective
- main circuit
- upper contact
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- 230000001681 protective effect Effects 0.000 title claims abstract description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses an anti-disassembling device for an ATM code keyboard protective cover. The anti-disassembling device comprises a main circuit and a contact switch, wherein the contact switch is formed by combining an upper contact and a lower contact, through holes are formed in the upper contact and the lower contact, a double-screw bolt used for connecting the code keyboard protective cover penetrates through the through hole in the upper contact and the through hole in the lower contact, and the upper contact and the lower contact are compressed through nuts and tightly attached to each other; the contact switch is connected to the main circuit, when the upper contact and the lower contact are tightly attached to each other, the main circuit is closed and feeds back normal state signals, and when the upper contact and the lower contact are separated from each other, the main circuit is opened and transmits alarm signals. The anti-disassembling device for the ATM code keyboard protective cover can prevent lawless person from disassembling the code keyboard protective cover and protect code information safety of a user.
Description
Technical field
The utility model relates to the device in a kind of ATM, is specifically related to a kind of anti-disassembling device of ATM cipher keyboard protective cover.
Background technology
Referring to Fig. 1, Master Keyboard 3 protective covers (being cipher keyboard protective cover 2) are conventionally installed on the guidance panel 1 of ATM, this protective cover can effectively prevent that lawless person from spying on user's password, ensures user's encrypted message safety.But, there are in recent years some lawless persons by tolling breakdown cipher keyboard protective cover 2 in ATM, be then replaced with their special protective cover, on this protective cover, be provided with the acquisition of information instrument such as camera, to steal user's encrypted message.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of anti-disassembling device of ATM cipher keyboard protective cover is provided, and adopts this anti-disassembling device can prevent that lawless person from dismantling cipher keyboard protective cover.
The technical scheme that the utility model is realized above-mentioned purpose is:
A kind of anti-disassembling device of ATM cipher keyboard protective cover, comprise main circuit and contact-making switch, wherein, described contact-making switch is formed by upper contact head and lower contact combinations, this upper contact head and lower contact are provided with through hole, through hole for the double-screw bolt that connects cipher keyboard protective cover through described upper contact head and lower contact, and upper contact head and lower contact are compressed by nut and are mutually close to;
Described contact-making switch is connected on main circuit, and when described upper contact head and lower contact are close to mutually, main circuit is connected and feedback normal state signal, and when described upper contact head and lower contact are separated from each other, main circuit disconnects and sends alarm signal.
A preferred version of the present utility model, wherein, the end face of described upper contact head is provided with two conductive copper sheets, connects respectively a stitch on each conductive copper sheet, and described main circuit is connected on two stitch by wire; The end face of described lower contact is provided with the contact of two outwardly convexs, between two contacts, by wire, is connected; When upper contact head and lower contact are close to mutually, described two conductive copper sheets contact respectively with two contacts, and main circuit is connected.
A preferred version of the present utility model, wherein, described is four for connecting the double-screw bolt of cipher keyboard protective cover, is fixed on the bottom of cipher keyboard protective cover.
A preferred version of the present utility model, wherein, is provided with elastomer block between two conductive copper sheets of described upper contact head.
A preferred version of the present utility model, wherein, is also provided with pad between described contact-making switch and nut.
A preferred version of the present utility model, wherein, described upper contact head and lower contact are all annular.
Principle of work of the present utility model is:
After cipher keyboard protective cover normal mounting, the upper contact head under the effect of nut in contact-making switch and lower contact are close to mutually, the normal sending and receiving signal of main circuit, and upwards feed back normal condition; When code protection cover is forced to dismantle by sled pine or integral body, described upper contact head and lower contact are separated from each other, main circuit detects abnormal signal and disconnects or flash, to the host computer signal that gives the alarm, host computer is according to the strategy judgement of reporting to the police, can make ATM stop service, or superior server send alerting signal.
The utility model compared with prior art has following beneficial effect:
The anti-disassembling device of ATM cipher keyboard protective cover of the present utility model can prevent that lawless person from dismantling cipher keyboard protective cover, has protected user's encrypted message safety.
Accompanying drawing explanation
Fig. 1 is existing ATM operating board structure schematic diagram.
Fig. 2 is the explosive view of the ATM guidance panel of application anti-disassembling device of the present utility model.
Fig. 3 is the syndeton schematic diagram of main circuit of the present utility model and contact-making switch.
Fig. 4 and Fig. 5 are the structural representation of upper contact head of the present utility model, and wherein, Fig. 4 is front view, and Fig. 5 is vertical view.
Fig. 6 and Fig. 7 are the structural representation of lower contact of the present utility model, and wherein, Fig. 6 is front view, and Fig. 7 is vertical view.
Fig. 8 is the use constitutional diagram of anti-disassembling device of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Referring to Fig. 2～Fig. 8, the anti-disassembling device of ATM cipher keyboard protective cover 3 of the present utility model comprises main circuit 16 and contact-making switch 15, wherein, described contact-making switch 15 is combined by upper contact head 6 and lower contact 7, this upper contact head 6 and lower contact 7 are provided with through hole 11, for connecting the double-screw bolt 4 of cipher keyboard protective cover 3 through the through hole 11 of described upper contact head 6 and lower contact 7, and upper contact head 6 and lower contact 7 are compressed by nut 5 and are mutually close to.
Referring to Fig. 2～Fig. 8, described upper contact head 6 and lower contact 7 are all annular, and wherein, the end face of upper contact head 6 is provided with two conductive copper sheets 8, connect respectively a stitch 9 on each conductive copper sheet 8, and described main circuit 16 is connected on two stitch 9 by wire 18; Between the end of two conductive copper sheets 8, be provided with the elastomer block 10 of being made by EVA, these elastomer block 10 outwardly convexs, when upper contact head 6 and lower contact 7 are close to mutually, play buffer action.12 of 12, two contacts, contact that the end face of described lower contact 7 is provided with two outwardly convexs are connected by wire 13, and this wire 13 is hidden in lower contact 7 inside.When upper contact head 6 and lower contact 7 are close to mutually, thereby described two conductive copper sheets 8 contact respectively and connect main circuit 16 with two contacts 12; When described upper contact head 6 and lower contact 7 are separated from each other, main circuit 16 disconnects and sends alarm signal.
Described main circuit 16 has signal transmitting module, signal receiving module and detection module, when contact-making switch 15 normal connection, the normal sending and receiving signal of main circuit, upwards feeds back normal signal, when cipher keyboard protective cover 3 is dismantled, contact-making switch 15 disconnects, the detection module of main circuit detects that abnormal signal disconnects or flash, and, to the host computer signal that gives the alarm, host computer is according to the strategy judgement of reporting to the police, can make ATM stop service, or superior server send alerting signal.
Referring to Fig. 2 and Fig. 8, described is four for connecting the double-screw bolt 4 of cipher keyboard protective cover 3, be fixedly connected with and be integral with the bottom of cipher keyboard protective cover 3, during installation, this double-screw bolt 4 is through the mounting hole on the erecting frame 17 of ATM, bottom is by nut 5 and pad 14 lockings, described contact-making switch 15 is set in wherein on a double-screw bolt 4, and upper contact head 6 and lower contact 7 are close to mutually under the locking effect of pad 14 and nut 5.
Above-mentioned is preferably embodiment of the utility model; but embodiment of the present utility model is not subject to the restriction of foregoing; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (6)
1. the anti-disassembling device of an ATM cipher keyboard protective cover, it is characterized in that, comprise main circuit and contact-making switch, wherein, described contact-making switch is formed by upper contact head and lower contact combinations, this upper contact head and lower contact are provided with through hole, the through hole for the double-screw bolt that connects cipher keyboard protective cover through described upper contact head and lower contact, and upper contact head and lower contact are compressed by nut and are mutually close to;
Described contact-making switch is connected on main circuit, and when described upper contact head and lower contact are close to mutually, main circuit is connected and feedback normal state signal, and when described upper contact head and lower contact are separated from each other, main circuit disconnects and sends alarm signal.
2. the anti-disassembling device of ATM cipher keyboard protective cover according to claim 1, it is characterized in that, the end face of described upper contact head is provided with two conductive copper sheets, connects respectively a stitch on each conductive copper sheet, and described main circuit is connected on two stitch by wire; The end face of described lower contact is provided with the contact of two outwardly convexs, between two contacts, by wire, is connected; When upper contact head and lower contact are close to mutually, described two conductive copper sheets contact respectively with two contacts, and main circuit is connected.
3. the anti-disassembling device of ATM cipher keyboard protective cover according to claim 2, is characterized in that, described is four for connecting the double-screw bolt of cipher keyboard protective cover, is fixed on the bottom of cipher keyboard protective cover.
4. the anti-disassembling device of ATM cipher keyboard protective cover according to claim 3, is characterized in that, between two conductive copper sheets of described upper contact head, is provided with elastomer block.
5. the anti-disassembling device of ATM cipher keyboard protective cover according to claim 4, is characterized in that, is also provided with pad between described contact-making switch and nut.
6. the anti-disassembling device of ATM cipher keyboard protective cover according to claim 5, is characterized in that, described upper contact head and lower contact are all annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759562.5U CN203552349U (en) | 2013-11-26 | 2013-11-26 | Anti-disassembling device for ATM code keyboard protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759562.5U CN203552349U (en) | 2013-11-26 | 2013-11-26 | Anti-disassembling device for ATM code keyboard protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552349U true CN203552349U (en) | 2014-04-16 |
Family
ID=50470432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320759562.5U Expired - Fee Related CN203552349U (en) | 2013-11-26 | 2013-11-26 | Anti-disassembling device for ATM code keyboard protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846663A (en) * | 2016-11-30 | 2017-06-13 | 广州智萃电子科技有限公司 | A kind of input information theft-preventing structure for input keyboard |
| CN107945369A (en) * | 2017-12-20 | 2018-04-20 | 浪潮金融信息技术有限公司 | A kind of keyboard cover pick-proof is automatically reminded to mechanism |
-
2013
- 2013-11-26 CN CN201320759562.5U patent/CN203552349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846663A (en) * | 2016-11-30 | 2017-06-13 | 广州智萃电子科技有限公司 | A kind of input information theft-preventing structure for input keyboard |
| CN107945369A (en) * | 2017-12-20 | 2018-04-20 | 浪潮金融信息技术有限公司 | A kind of keyboard cover pick-proof is automatically reminded to mechanism |
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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 |
Granted publication date: 20140416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |