CN2491867Y - Built-in casing assembly detector - Google Patents
Built-in casing assembly detector Download PDFInfo
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- CN2491867Y CN2491867Y CN 01228855 CN01228855U CN2491867Y CN 2491867 Y CN2491867 Y CN 2491867Y CN 01228855 CN01228855 CN 01228855 CN 01228855 U CN01228855 U CN 01228855U CN 2491867 Y CN2491867 Y CN 2491867Y
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- rubber sleeve
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Abstract
The utility model relates to a checkout gear, in particular to a checkout gear used for assembling a built-in casing of a notebook computer, comprising at least two casings which are matched with each other, a plurality of screws used for assembling the casings, a plurality of rubber sleeves, a power, a power controlling switch, and a checking circuit, and at least an open circuit, wherein the end portions of screws are conductive, the rubber sleeves are arranged on screw holes, each rubber sleeve is provided with a sleeve hole used for containing the end portion of a screw, contact members of a circuit board are arranged on the bottom portion of each sleeve hole, when screws are screwed in the corresponding sleeve holes, the end portions of screws are contacted with the open circuit, thereby the open circuit is in a conducting state. The power controlling switch is used for opening and closing an electronic installation, the checking circuit is used for checking whether each circuit contact member is in a conductive state or not, the checking circuit is cascade connected with the contact members of the electric board, the power controlling switch, and the power, and the power controlling switch is opened when all the contact members are conducted by screws. The utility model can exactly check out that the screws are screwed tightly or loosely.
Description
(1) technical field:
The utility model relates to a kind of pick-up unit, particularly a kind of in-building type casing assembling pick-up unit, and it is specially adapted to the assembling of mobile computer casing.
(2) background technology:
As shown in Figure 1, existing casing assembling is to utilize to fasten to be configured in the screw 3 of fastening chalaza as the difference of screw hole 2, and casing 10a, the 10b that cooperates combined closely each other.But, the casing of general electronic installation, after utilizing the screw assembling to finish, except when screw is fastened, doing the torsion detection, get loose for the screw that in follow-up vibration that brings owing to moving and the test process dismounting of casing is caused, detected unless the screw on this electronic installation 3 does torsion one by one again, fasten and positioning states otherwise can't guarantee easily whether these screws remain on.
(3) summary of the invention:
The purpose of this utility model is to provide the reliable in-building type casing assembling of a kind of detection pick-up unit.
For achieving the above object, the utility model is taked following technical measures:
The utility model mainly is to utilize each to be arranged on screw interior a circuit board contact element and a conductive screw, whether this casing assembling pick-up unit can detect each screw to be detected accurately and quickly and be fastened and be positioned in the screw hole, and can confirm further whether a casing to be detected and another casing that matches combine closely each other.
In-building type casing assembling pick-up unit of the present utility model comprises: screw is used in several assemblings, and these screws its end at least can conduct electricity; Several rubber sleeves are installed in several screw holes to be detected of a casing separately, and the rubber sleeve respectively has a cover hand-hole to hold the end of above-mentioned screw; Several circuit board contact elements are arranged on the bottom position of the above-mentioned first rubber sleeve separately, and have the circuit that at least one opens the loop; And a testing circuit, be used to confirm the status of electrically connecting of above-mentioned each circuit board contact element.
Wherein, rubber sleeve with circuit board contact element can adopt conductive rubber or non-conductive rubber to constitute, but the circuit structure of this circuit board contact element then needs slightly different according to the conduction property of rubber, and the rubber sleeve can be arranged in the screw hole to be detected of diverse location on the casing according to need separately.In a screw with electric conductivity end is threaded into the screw hole of a correspondence and when being screwed in the above-mentioned rubber sleeve, as long as conflicting, this conduction end is located at the circuit board contact element of bottom, then this circuit board contact element with at least one circuit of opening the loop is conducted, and a power supply VCC imported a testing circuit, to open a power control switch, and confirm conducting of above-mentioned each circuit board contact element, and confirm that further its corresponding these screws are all fastened the location.
The utility model is taked following concrete structure:
In-building type casing assembling pick-up unit of the present utility model comprises: two casings that match at least; Several screw holes are arranged on the casing, can be screwed into by screw hole when engaging with another casing assembling; Several are used to screw togather the screw of two casings; And
Several rubber sleeves, a power supply device, a power control switch and a testing circuit;
Described screw its end at least can conduct electricity;
Several rubber sleeves respectively are arranged on the screw hole place of described casing, and each rubber sleeve respectively has a cover hand-hole, to hold the end of screw when screw screws togather;
Several circuit board contact elements respectively are arranged on the bottom position of the cover hand-hole of each rubber sleeve, and have at least one and open loop circuit, and when screw screwed tight in corresponding cover hand-hole, this screw end contacted with open circuit, opens the loop and is switched on;
Power control switch is used to start and the normal operation of closing this electronic installation;
Testing circuit is used to detect the whether conducting of above-mentioned each circuit contacts element, polyphones such as testing circuit and described several circuit board contact elements, power control switch and power supply, after all circuit board contact elements all were identified by corresponding screw conducting, power control switch was then normally opened.
Wherein, described rubber sleeve can be made by rubber.
Wherein, described rubber sleeve can be made by silica gel rubber or natural rubber or synthetic rubber.
Wherein, described rubber sleeve can be made by synthetic resin or plastics.
Wherein, described rubber sleeve with circuit board contact element optionally is separately positioned on the screw hole place to be detected of diverse location.
Wherein, the described loop circuit of opening can be pectination circuit or helical circuit.
Compared with prior art, the utlity model has following effect:
In-building type casing assembling pick-up unit of the present utility model, be applicable to mobile computer or any other electronic installation by the casing assembling, can be before assembling is dispatched from the factory and when daily use, detect the situation that whether has screw not screw tight or get loose exactly, can prevent that problems such as follow-up casing gets loose from taking place, practical.
(4) description of drawings:
Fig. 1: the stereographic map of existing mobile computer;
Fig. 2: the diagrammatic cross-section of in-building type casing assembling pick-up unit of the present utility model;
Fig. 3: the amplification schematic perspective view of an embodiment of the utility model in-building type casing assembling pick-up unit;
Fig. 4: the amplification schematic perspective view of another embodiment of the utility model;
Fig. 5: the testing circuit figure of the utility model in-building type casing assembling pick-up unit.
(5) embodiment:
Reaching embodiment in conjunction with the accompanying drawings is described in detail as follows architectural feature of the present utility model:
As shown in Figure 2, it is the diagrammatic cross-section of in-building type casing assembling pick-up unit of the present utility model, and in-building type casing assembling pick-up unit of the present utility model is applicable to the assembling of mobile computer 1 casing, wherein, be screwed into the screw 3 of screw hole 2, the location of casing 10a and 10b should being combined closely.
As Fig. 2, Fig. 3 and shown in Figure 5, this casing assembling pick-up unit comprises: several assembling screws 3, and these screws 3 can conduct electricity its end 5 at least; Several rubber sleeves 6 are arranged in the casing of several screw holes 2 to be detected separately, and each rubber sleeve 6 respectively have one the cover hand-hole 7, with the end 5 that holds above-mentioned screw 3; Several circuit board contact elements 8 are arranged on the bottom position 9 of the cover hand-hole 7 of each rubber sleeve 6 separately, and have the circuit that at least one opens loop 14; When screw 3 fastened in cover hand-hole 7, the end 5 of screw 3 contacted with opening loop 14, and then loop 14 is opened in conducting; And a testing circuit 30, to be used to confirm the electric conducting state of above-mentioned each circuit board contact element 8, as shown in Figure 5.Utilize each to be arranged on whether contacting of circuit board contact element 8 and conductive screw 3 in the screw hole 2, detect these screws that need detect 3 accurately and quickly by said machine casing assembling pick-up unit and whether fastened in screw hole 2, and can confirm further whether one first a casing 10a to be detected combines closely each other with another the second casing 10b that matches.
Wherein, rubber sleeve 6 with circuit board contact element 8 of the present utility model can adopt conductive rubber or non-conductive rubber to constitute, but the circuit structure of this circuit board contact element 8 then needs slightly different according to the conduction property of rubber sleeve 6, and several rubber sleeves 6 can optionally be set at screw hole to be detected 2 places of diverse location on the casing according to need separately.When a screw 3 with conduction end 5 is threaded in the screw hole 2 of a correspondence and be threaded in the cover hand-hole 7 of above-mentioned rubber sleeve 6 simultaneously, as long as conflicting, conduction end 5 is located at the circuit board contact element 8 of cover hand-hole 7 bottom positions 9, then this has at least one circuit board contact element 8 of opening loop 14 and is conducted, and a power supply VCC imported a testing circuit 30, confirming the electric conducting state of above-mentioned each circuit board contact element 8, and confirm that simultaneously above-mentioned corresponding screw 3 is all fastened the state of location.
As shown in Figure 3 and Figure 4, above-mentionedly open loop 14 and can comprise as pectination circuit 14 and helical circuit 15 etc.
As Fig. 2, Fig. 3, shown in Figure 5, it represents an embodiment of the present utility model, and wherein the circuit 14 of circuit board comprises two pectination circuit staggered relatively, and two pectination circuit are derived by first and second link 17,18 respectively; First link 17 is connected with a power supply VCC, and each is electrically connected (as Fig. 5) with one the 3rd link 19 of door 11 one in second link 18 and the above-mentioned testing circuit 30; In screw 3 is threaded into the screw hole 2 of a correspondence, enter in the above-mentioned non-conductive rubber sleeve 6 and during the circuit board contact element 8 of cover hand-hole 7 bottoms 9 of conflicting, warp is owing to first link 17, second link 18, pectination circuit 14 is switched on, one high-voltage value H then is imported into and door 11, otherwise if open circuit 14 is not when being conducted, then a low voltage value L connected to door 11.With reference to Fig. 5, be electrically connected with several circuit 14 with door 11, therefore, only when the input voltage value of all connected several open circuits 14 is all high-voltage value H, the magnitude of voltage of exporting with door 11 just is high-voltage value H, and open a power control switch 20, with normal running mobile computer 1.Otherwise if above-mentioned have one at least when the low voltage value L with door 11 these input voltage values of being received, then the magnitude of voltage of being exported with door 11 is low voltage value L, and then, cause normally power-on gauge tap 20.Utilization has this and door 11 testing circuit 30, and mobile computer 1 is when only several screws 3 of the above-mentioned in-building type casing assembling pick-up unit on its casing all are tightened, just normally power-on and normal running mobile computer 1.
As shown in Figure 4, the spiral fashion open circuit 15 of another embodiment of its expression the utility model, one circuit board contact element 8 is arranged in the conductive rubber sleeve 22, therefore, one the 4th link 25 that is connected with power supply of spiral fashion open circuit 15 is to be connected directly to this conductive rubber sleeve 22, and form one and open loop 15 with the circuit board contact element 8 that is arranged on its cover hand-hole 23 bottoms 24 is common, and circuit board contact element 8 is electrically connected with above-mentioned the 3rd link with 11 via one the 5th link 26.The loop structure 14 of opening of opening loop 15 and above-mentioned general non-conductive rubber sleeve 6 of conductive rubber sleeve 22 adopts the same principle running, just having spiral fashion with door 11 and several opens the conductive rubber sleeve 22 in loop 15 and is electrically connected, and only when all connected input voltage values that several open loop 15 are all high-voltage value H, the magnitude of voltage that should export with door 11 is high-voltage value H, and then makes above-mentioned power control switch 20 be able to normal unlatching.Otherwise if above-mentioned have one at least when the low voltage value L with door 11 these input voltage values of being received, then the magnitude of voltage of being exported with door 11 is L, and then causes normally power-on gauge tap 20 and Operational Note type computing machine 1.
Understand by above-mentioned, the utility model be by each be arranged in several screw holes 2 circuit board contact element 8 or 22 and corresponding conductive screw 3 detect these screws 3 exactly and whether screwed tight, and and then confirm fast and easily whether a casing to be detected combines closely each other with another casing that matches.
Foregoing is to utilize embodiment that technical characterictic of the present utility model is described, is not to be used to limit protection domain of the present utility model, even there is the people to change slightly on the basis of the utility model design, must belong in the protection domain of the present utility model.
Claims (11)
1, a kind of in-building type casing assembling pick-up unit comprises: two casings that match at least; Several screw holes are arranged on the casing, can be screwed into by screw hole when engaging with another casing assembling; Several are used to screw togather the screw of two casings;
It is characterized in that, also comprise: several rubber sleeves, a power supply device, a power control switch and a testing circuit;
Described screw its end at least can conduct electricity;
Several rubber sleeves respectively are arranged on the screw hole place of described casing, and each rubber sleeve respectively has a cover hand-hole, to hold the end of screw when screw screws togather;
Several circuit board contact elements respectively are arranged on the bottom position of the cover hand-hole of each rubber sleeve, and have at least one and open loop circuit, and when screw screwed tight in corresponding cover hand-hole, this screw end contacted with open circuit, opens the loop and is switched on;
Power control switch is used to start and the normal operation of closing this electronic installation;
Testing circuit is used to detect the whether conducting of above-mentioned each circuit contacts element, polyphones such as testing circuit and described several circuit board contact elements, power control switch and power supply, after all circuit board contact elements all were identified by corresponding screw conducting, power control switch was then normally opened.
2, pick-up unit according to claim 1 is characterized in that, described rubber sleeve is made by conductive rubber.
3, pick-up unit according to claim 1 is characterized in that, described rubber sleeve is made by non-conductive rubber.
4, pick-up unit according to claim 1 is characterized in that, described rubber sleeve is made by the silica gel rubber.
5, pick-up unit according to claim 1 is characterized in that, described rubber sleeve is made by natural rubber.
6, pick-up unit according to claim 1 is characterized in that, described rubber sleeve is made by synthetic rubber.
7, pick-up unit according to claim 1 is characterized in that, described rubber sleeve is made by synthetic resin.
8, pick-up unit according to claim 1 is characterized in that, described rubber sleeve is made of plastics.
9, pick-up unit according to claim 1 is characterized in that, described have the rubber sleeve of circuit board contact element for optionally being separately positioned on the screw hole place to be detected of diverse location.
10, pick-up unit according to claim 1 is characterized in that, the described loop circuit of opening is the pectination circuit.
11, pick-up unit according to claim 1 is characterized in that, the described loop circuit of opening is a helical circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01228855 CN2491867Y (en) | 2001-07-05 | 2001-07-05 | Built-in casing assembly detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01228855 CN2491867Y (en) | 2001-07-05 | 2001-07-05 | Built-in casing assembly detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2491867Y true CN2491867Y (en) | 2002-05-15 |
Family
ID=33643836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01228855 Expired - Fee Related CN2491867Y (en) | 2001-07-05 | 2001-07-05 | Built-in casing assembly detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2491867Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645672A (en) * | 2012-04-19 | 2012-08-22 | 安徽中鼎金亚汽车管件制造有限公司 | Detection device and detection method of position of metal piece in rubber pipe |
| CN102760216A (en) * | 2011-04-29 | 2012-10-31 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
| CN102878915A (en) * | 2011-07-15 | 2013-01-16 | 延锋伟世通汽车电子有限公司 | Method and device for detecting assembling position of screw of printed circuit board |
| CN105129591A (en) * | 2015-09-29 | 2015-12-09 | 李金平 | Escalator pedal guard |
-
2001
- 2001-07-05 CN CN 01228855 patent/CN2491867Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760216A (en) * | 2011-04-29 | 2012-10-31 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
| CN102878915A (en) * | 2011-07-15 | 2013-01-16 | 延锋伟世通汽车电子有限公司 | Method and device for detecting assembling position of screw of printed circuit board |
| CN102878915B (en) * | 2011-07-15 | 2015-10-28 | 延锋伟世通汽车电子有限公司 | Detect the method and apparatus of assembling position of screw on printed circuit board |
| CN102645672A (en) * | 2012-04-19 | 2012-08-22 | 安徽中鼎金亚汽车管件制造有限公司 | Detection device and detection method of position of metal piece in rubber pipe |
| CN102645672B (en) * | 2012-04-19 | 2016-04-20 | 安徽中鼎金亚汽车管件制造有限公司 | A kind of sniffer of position of metal piece in rubber pipe and detection method |
| CN105129591A (en) * | 2015-09-29 | 2015-12-09 | 李金平 | Escalator pedal guard |
| CN105129591B (en) * | 2015-09-29 | 2017-12-19 | 李金平 | A kind of escalator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020515 Termination date: 20090805 |