CN106134495B - A kind of multiple spot minute hand connector and assembly and disassembly methods thereof of easy disassembly - Google Patents
A kind of multiple spot minute hand connector and assembly and disassembly methods thereof of easy disassemblyInfo
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- CN106134495B CN106134495B CN201110015998.9A CN201110015998A CN106134495B CN 106134495 B CN106134495 B CN 106134495B CN 201110015998 A CN201110015998 A CN 201110015998A CN 106134495 B CN106134495 B CN 106134495B
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- connector
- connector unit
- housing
- screw
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Abstract
The present invention relates to a kind of multiple spot minute hand connector and assembly and disassembly methods thereof of easy disassembly, comprise multiple connectors unit and rise and pull out screw, wherein arbitrary neighborhood is upper, in lower two connector unit, the contact pin part that in upper connector unit, expose printed board below coordinates with the receptacle portion being welded above printed board in lower connector unit, on the housing of upper connector unit, be provided with two guide fingers, on the housing of lower connector unit, be provided with two pilot holes supporting with guide finger, on four angles of this outside upper connector unit housings, respectively have screwed hole, on, when lower two connector unit separate, rise and pull out in screw insertion screwed hole, and the concave surface of lower connector unit housings is withstood in the termination that has made to pull out screw, the present invention increases guide frame element in the time of structural design, the accurate location of connector while ensureing assembling, greatly improve the manufacturability of assembling, even can realize blindmate, realize reliable, stable, efficiently, equipment assembling cheaply.
Description
Technical field
The invention belongs to Structural Design of Electronic System technical field, the multiple spot that relates to a kind of easy disassembly is longPin connector and assembly and disassembly methods thereof.
Background technology
Owing in more current fields, electronic equipment being had to the requirement that volume is little, function is many. Therefore, oneWhen a little electronic device design, adopt polylith circuit board lamination to place. In order to realize between adjacent circuit plateElectrically connect direct plugging-in multiple spot minute hand connector for multiselect. In the past, the assembling of this equipment is generally by orderSurvey is carried out, with range estimation and feel realize plugging together of connector, because of operating space too little, visual too late,The actual blindmate that forms, is shown in Fig. 5, inevitably there will be position error, is difficult to accomplish with visual methodContact pin, jack exactitude position, and cause the damage of contact pin, affect electrical property and even cause contact pin to damageEven burn out the accident of circuit; When decomposition, be that specific purpose tool is inserted into two housings that circuit board is housedBetween the corresponding boss in outside, see Fig. 6, housing is stuck up out, then two connectors are unpluged with hand. HaveIn time, is out of shape, damages because the bias of exerting oneself causes contact pin, even scraps. Specific purpose tool is at sled housing simultaneouslyProcess in, can damage product external surfaces paint film, affect outward appearance and the antisepsis of housing.
Summary of the invention
The above-mentioned deficiency that the object of the invention is to overcome prior art, provides the many of a kind of easy disassemblyPoint minute hand connector, adopts guide-localization principle, increases guide frame element in the time of structural design, protectsThe accurate location of connector when card assembling, has improved the manufacturability of assembling greatly, even can realize blindmate,Realized reliable, stable, efficiently, equipment assembling cheaply.
Another object of the present invention is to provide a kind of the tearing open of multiple spot minute hand connector of easy disassemblyDress method.
Above-mentioned purpose of the present invention is achieved by following technical solution:
A multiple spot minute hand connector for easy disassembly, comprises multiple connectors unit and rises and pull out screw,Connector unit comprises printed board, connector and housing, and connector is made up of jack and contact pin, whereinIn upper and lower two connector unit of arbitrary neighborhood, in upper connector unit, expose from printed board belowContact pin coordinate with the jack being welded above printed board in lower connector unit, upper connector unitOn housing, be provided with two guide fingers, and two guide fingers lay respectively at the two ends of contact pin, lower connectorOn the housing of unit, be provided with two pilot holes supporting with described guide finger, this outside upper connector unitOn four angles of housing, respectively have screwed hole, when upper and lower two connector unit separate, rise and pull out screwInsert in described screwed hole, and made the termination of pulling out screw withstand the recessed of lower connector unit housings topFace.
In the multiple spot minute hand connector of above-mentioned easy disassembly, work the reach L2 pulling out on screw and be greater thanWhen upper and lower two connector unit of arbitrary neighborhood separate, the degree of depth that contact pin and jack plug together, andGuide finger inserts the guiding length of pilot hole.
In the multiple spot minute hand connector of above-mentioned easy disassembly, work the spiro rod length L1 pulling out on screw and be greater thanThe height of any connector unit middle shell except a undermost connector unit, to ensure shellBody can conveniently be removed.
In the multiple spot minute hand connector of above-mentioned easy disassembly, pull out the concave surface that screw fit is used with risingThe degree of depth is 1-2mm.
In the multiple spot minute hand connector of above-mentioned easy disassembly, working the termination of pulling out screw is rounded corner R,Effect is that the surface that protection housing is in contact with it is not scratched, and head of screw is annular knurl and has screwdriver slot.
In the multiple spot minute hand connector of above-mentioned easy disassembly, the length requirement of guide finger is: guide fingerWhile inserting the interior 2-3mm of pilot hole, contact pin contacts with jack.
An assembly and disassembly methods for the multiple spot minute hand connector of easy disassembly, comprises the steps:
(1) in the time that multiple connectors unit assembles, first load from bottom two adjacent connector unit,Guide finger in utilization on the housing of connector unit, is inserted into respectively on the housing of lower connector unitIn supporting two pilot holes of described guide finger, in the time of insertion depth 2-3mm, contact pin and jack connectTouch; All the other connector unit are assembling successively according to said method;
(2) in the time that multiple connectors unit separates, first from two the adjacent bound cells in the top,Pull out in the screwed hole of housing that screw is inserted into upper connector unit rising, and the termination that has made to pull out screwThe concave surface that withstands the housing top of lower connector unit, has rotated and has pulled out screw, makes the band of housing at screw threadUnder moving, move up, and can be by regulating four to work the uniformity of pulling out screw and be screwed into shell length, controlThe uniformity of the suffered pulling force of all contact pins of connector processed; All the other connector unit according to said method divide successivelyFrom.
The present invention compared with prior art has following beneficial effect:
(1) multiple spot minute hand connector of the present invention and assembly and disassembly methods thereof adopt guide-localization principle, in structureWhen design, increase guide frame element, while ensureing assembling, the accurate location of connector, avoids because assembling mistakeThe accident that the contact pin that position causes damages and causes thus, has improved the manufacturability of assembling greatly, even canRealize blindmate; Adopted two guide fingers and corresponding pilot hole, realized reliable, stable, efficient,Equipment assembling cheaply;
(2) multiple spot minute hand connector of the present invention and assembly and disassembly methods thereof utilize worm drive principle, have adoptedPull out rising of screw, screw and pull out mode, bring into play its low speed, effect that power is large, realize band multiple spot minute hand and connectBetween the circuit board of plug-in unit, stablize, rise and pull out separation reliably, easily, guarantee safety, reliable;
(3) the present invention is by lot of experiments, pull out rising screw reach and spiro rod length, rise and pull out spiral shellThe degree of depth inserted in housing of nail, and the size of guide finger and pilot hole limits, and makes to connectSeparation between bound cell is more reliable and secure;
(4) multiple spot minute hand connector of the present invention and assembly and disassembly methods thereof are applicable to be equipped with multiple spot minute hand connectorIn electronic equipment, be specially adapted to the structural design of the electronic equipment of polylith lamination placement circuit board, realShowed polylith lamination place the electronic equipments safety of circuit board, reliably, assembling efficiently, and safety,Reliably, decompose like a cork.
(5) the technology of the present invention has been applied in certain model device at present, and has completed flight test checking,Show reasonable in design, measure is effective, meets expected design requirement, as a kind of high reliabilitySimple effective method is extensively promoted the use of in Multiple Type, has completed satisfactorily multinomialLaunch mission.
Brief description of the drawings
Fig. 1 is the structural representation of multiple spot minute hand connector of the present invention;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of multiple spot minute hand connector of the present invention;
Fig. 3 a is that multiple spot minute hand connector of the present invention rises and pulls out screw working method structural representation Fig. 1;
Fig. 3 b is that multiple spot minute hand connector of the present invention works the structure schematic diagram 2 that pulls out screw working method;
Fig. 4 works the structural representation that pulls out screw in multiple spot minute hand connector of the present invention;
Fig. 5 is the structural representation of original mounting means;
Fig. 6 is original structural representation that pulls out mode.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Be illustrated in figure 1 the structural representation of multiple spot minute hand connector of the present invention, be illustrated in figure 2 thisThe STRUCTURE DECOMPOSITION schematic diagram of invention multiple spot minute hand connector, this example comprises three connector unit,Connector unit comprises printed board, connector and housing, and connector is made up of jack and contact pin, by Fig. 2In known ground floor connector unit, be arranged on the contact pin 4 and second layer connector list of printed board 1 belowThe jack 5 that is arranged on printed board 2 tops in unit coordinates, and second layer connector is arranged on printing in unitThe jack 14 that is arranged on printed board 3 tops in the contact pin 6 of plate 2 belows and the 3rd layer of connector unit is joinedClose, the lower surface of the housing 7 of ground floor connector unit is provided with two guide fingers 10, and two are ledLay respectively at the two ends of contact pin 4 to pin 10, housing 8 upper surfaces of second layer connector unit are provided withWith supporting two pilot holes 12 of guide finger 10. Housing 8 lower surfaces of second layer connector unit alsoBe provided with two guide fingers 10 that lay respectively at contact pin 4 two ends, and be arranged on the 3rd layer of connector unitTwo pilot holes 12 of housing 9 upper surfaces match.
As shown in Figure 1, the housing 7 of ground floor connector unit and the housing 8 of second layer connector unitAbove respectively have a lower concave plane 13 according to up-down structure layout, patch for adjacent upper and lower twoWhen part unit separates, will rise and pull out screw 11 and withstand its surface.
In the present embodiment, select A typeThe stainless steel pin of long 10mm is as guide finger 10,Employing interference fit installs to respectively housing 7, housing 8In pin hole, see Fig. 2, expose shellThe length of body end face is 6mm (the guiding degree of depth and connector plug together degree of depth sum). Housing 8, housing 9Above have the pilot hole 12 of Φ 3.5 dark 8mm concentric but that size is different from guide finger 10 corresponding sections,When assembling, below the guide finger 10 in upper shell can be inserted into smoothly visual in the situation thatIn pilot hole 12 corresponding to housing. Through calculating, when guide finger 10 injects the interior dark 2.1mm of pilot hole 12After, the contact pin that is contained in multiple spot minute hand type connector in the interior printed board of upper shell starts and is contained in lower houseThe jack contact of the connector matching in printed board, guarantees without mispluging.
As shown in Figure 1, process the tapped through hole of 4 M3 at four jiaos of symmetrical places of housing 7, at shellOn body 8, be a physical plane 13 with the tapped through hole opposite position of these 4 M3, see Fig. 3 a. When 4Rising when pulling out screw 11 and being screwed into housing 7 of individual M3 equal length, rises and pulls out that screw 11 end faces are pushed upSame plane (concave surfaces 13 on housing 8 tops). Like this, utilize worm drive principle, not onlyConvert rotatablely moving of screw thread to housing 7 move up, and can pass through adjustment screwBe screwed into the uniformity of housing 7 length, control the uniformity of all contact pin 4 suffered pulling forces of connector,Avoid causing the distortion of contact pin 4.
Rising on housing 8 pulled out rising on screw hole location and housing 7 and pulled out screw hole location dislocation processing,See Fig. 3 b. If being housed, printed board and the housing quantity of multiple spot minute hand connector increases, during for multilayer,Rise and pull out screw hole location and can adopt odd-level consistent, even level is consistent. So, can save space,Can reach again ideal effect. Rise and pull out screw work as Fig. 3 a, 3b are respectively multiple spot minute hand connector of the present inventionMake mode structural representation Fig. 1 and structural representation Fig. 2.
Be illustrated in figure 4 in multiple spot minute hand connector of the present invention and work the structural representation that pulls out screw, d1 isRise and pull out rising of screw 11 and pull out the diameter of thread; L2 pulls out rising of screw 11 to pull out reach, and this is longThe degree of depth that when degree should be greater than two housings separation, in printed board, connector plugs together (insert with jack 5 by contact pin 4The degree of depth of closing), and guide finger 11 inserts the guiding length of pilot hole 12; L1 pulls out screw 11Rise pull out screw rod length, this length not only will meet L2, is also greater than the housing that printed board is housedHeight (except the housing height of a undermost connector unit), and ensure that housing can be easyRemove; R has been the rounded corner that pulls out screw 11 terminations, effect be the surface that is in contact with it of protection housing notBe scratched. In addition, head of screw will be convenient to hand or tool operation, can annular knurl and have screwdriver slot.
The present invention rises and pulls out screw 11 and utilize worm drive principle, makes pulling force, works the speed of pulling out, rises and pull out positionMove all controlled, made the process of pulling out steadily, safety, reliable, easily.
Work that to pull out the relevant calculation of screw 11 as follows:
(1) calculating of pulling force F
F＝nxFz+Wb
Wherein: Fz---the maximal friction=135g of a contact pin
N---socket connector pin quantity=90
Wb---circuit board, holder housing and standard component weight=400g
Above data are brought into: F=12550g
(2) rise and pull out screw calculation of parameter:
Material selection 45#Cold-drawn round steel: σb＝35.5kg/mm2
Get safety coefficient: r=3
Assumed (specified) load is: F1＝12550×3＝37650g＝37.65kg
Need net sectional area: S1＝F1/σb＝1.06mm2
Select the regular screw threads of M3: its path is d2＝2.459mm
Its sectional area
S2＞S1So, meet the demands completely.
The assembly and disassembly methods of the multiple spot minute hand connector of easy disassembly of the present invention is as follows:
(1), in the time that multiple connectors unit assembles, first load from bottom two adjacent bound cells,Guide finger 10 in utilization on the housing 8 of connector unit, is inserted into respectively the shell of lower connector unitOn body 9 with supporting two pilot holes 12 of guide finger 10 in, in the time of insertion depth 2-3mm, contact pin6 contact with jack 14. All the other connector unit can according to said method assemble successively.
(2), in the time that multiple connectors unit separates, first from two adjacent bound cells topmost,Pull out in the screwed hole that screw 11 is inserted into upper connector unit housings 7 rising, and made to pull out screw 11Termination withstand the concave surface 13 on lower connector unit housings 8 tops. Like this, utilize worm drive principle,Not only convert rotatablely moving of screw thread to housing 7 move up, and can be by regulatingFour are worked the uniformity of pulling out screw 11 and be screwed into housing 7 length, control all contact pins 4 of connector sufferedThe uniformity of pulling force, avoids causing the distortion of contact pin 4. All the other connector unit can according to said method be complied withInferior separation.
Multiple spot minute hand connector of the present invention has been applied in certain model device at present, and has completed flight examinationChecking, shows reasonable in design, and measure is effective, meets expected design requirement. High as oneThe simple effective method of reliability is extensively promoted the use of in Multiple Type, complete satisfactorilyBecome multinomial launch mission.
The above be only the detailed description of the invention of the best of the present invention, but protection scope of the present invention alsoBe not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in,The variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
The content not being described in detail in description of the present invention belongs to the known skill of professional and technical personnel in the fieldArt.
Claims (5)
1. a multiple spot minute hand connector for easy disassembly, is characterized in that: comprise multiple connectorsUnit and rise pull out screw (11), connector unit comprises printed board, connector and housing, connector byJack and contact pin composition, wherein in upper and lower two connector unit of arbitrary neighborhood, upper connector listIn the contact pin (4) exposing from printed board (1) below in unit and connector unit, be welded in printed board(2) jack (5) of top coordinates, and on the housing (7) of upper connector unit, is provided with two guidingPin (10), and two guide fingers (10) lay respectively at the two ends of contact pin (4), lower connector unitHousing (8) on be provided with two pilot holes (12) supporting with described guide finger (10), in additionOn four angles of upper connector unit housings (7), respectively have screwed hole, upper and lower two connector unitWhen separation, rise and pull out screw (11) and insert in described screwed hole, and made to pull out the termination of screw (11)Withstand the concave surface (13) on lower connector unit housings (8) top; Described is pulled out on screw (11)When upper and lower two connector unit that reach L2 is greater than arbitrary neighborhood separate, contact pin (4) withThe degree of depth that jack (5) plugs together, and guide finger (10) inserts the guiding length of pilot hole (12);Described the spiro rod length L1 pulling out on screw (11) is greater than except a undermost connector unitThe arbitrarily height of connector unit middle shell, to ensure that housing can conveniently remove.
2. the multiple spot minute hand connector of a kind of easy disassembly according to claim 1, its feature existsIn: described with pull out the concave surface (13) that screw (11) is used in conjunction with the degree of depth be 1-2mm.
3. the multiple spot minute hand connector of a kind of easy disassembly according to claim 1, its feature existsIn: the termination of pulling out screw (11) described is rounded corner R, and effect protection housing is in contact with itSurface is not scratched, and head of screw is annular knurl and has screwdriver slot.
4. the multiple spot minute hand connector of a kind of easy disassembly according to claim 1, its feature existsIn: the length requirement of described guide finger (10) is: guide finger (10) inserts in pilot hole (12)When 2-3mm, contact pin (4) contacts with jack (5).
5. the assembly and disassembly methods of the multiple spot minute hand connector of a kind of easy disassembly claimed in claim 1, itsBe characterised in that: comprise the steps:
(1) in the time that multiple connectors unit assembles, first load from bottom two adjacent connector unit,Guide finger (10) in utilization on the housing of connector unit (8), is inserted into respectively lower connector listIn two pilot holes (12) that housing (9) is upper and described guide finger (10) is supporting of unit, work as insertionWhen degree of depth 2-3mm, contact pin (6) contacts with jack (14); All the other connector unit according to said methodAssembling successively;
(2) in the time that multiple connectors unit separates, first from two the adjacent bound cells in the top,To rise and pull out in the screwed hole of housing (7) that screw (11) is inserted into connector unit, and make to pull outThe concave surface (13) on housing (8) top of lower connector unit is withstood in the termination of screw (11), rotationRise and pull out screw (11), housing (7) is moved up under the drive of screw thread, and can be by regulatingFour are worked the uniformity of pulling out screw (11) and be screwed into housing (7) length, control all contact pins of connector (4)The uniformity of suffered pulling force; All the other connector unit according to said method separate successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110015998.9A CN106134495B (en) | 2011-12-27 | 2011-12-27 | A kind of multiple spot minute hand connector and assembly and disassembly methods thereof of easy disassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110015998.9A CN106134495B (en) | 2011-12-27 | 2011-12-27 | A kind of multiple spot minute hand connector and assembly and disassembly methods thereof of easy disassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106134495B true CN106134495B (en) | 2014-07-09 |
Family
ID=57251399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110015998.9A Active CN106134495B (en) | 2011-12-27 | 2011-12-27 | A kind of multiple spot minute hand connector and assembly and disassembly methods thereof of easy disassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106134495B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853558A (en) * | 2015-06-09 | 2015-08-19 | 上海无线电设备研究所 | Device for separating oppositely-inserted printed boards |
| CN106981775A (en) * | 2017-01-12 | 2017-07-25 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Blind-mating connector producing balanced forces single-point separator between plate |
-
2011
- 2011-12-27 CN CN201110015998.9A patent/CN106134495B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853558A (en) * | 2015-06-09 | 2015-08-19 | 上海无线电设备研究所 | Device for separating oppositely-inserted printed boards |
| CN104853558B (en) * | 2015-06-09 | 2018-02-02 | 上海无线电设备研究所 | A kind of separator to making sheet of printing in |
| CN106981775A (en) * | 2017-01-12 | 2017-07-25 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Blind-mating connector producing balanced forces single-point separator between plate |
| CN106981775B (en) * | 2017-01-12 | 2019-01-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Blind-mating connector producing balanced forces single-point separator between plate |
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