There is the circuit board connector system of flexible intermediate connector
Technical field
The application relates to field of circuit boards, is specially a kind of circuit board connector system.
Background technology
Circuit board is indispensable components and parts in large automatic equipment.The component movement that circuit board is main equipment provides and controls and monitoring, is usually communicated by a large amount of intensive contact pins with between equipment.
Easily element is damaged because circuit board belongs in the running of equipment.The single property of the instability of voltage, wherein components and parts is damaged, the corrosion etc. of running environment all likely causes circuit board normally not run.
When circuit board breaks down, equipment has the warning error signal corresponding to this circuit board usually.Operator can plug to change to this circuit board.
Because the contact pin of circuit board is numerous, therefore waste time and energy in swapping process, and easily cause the damage to circuit board or PCB socket.
And the function that circuit board entirety often realizes is more, and the component number of single circuit board and the scale of construction are also larger.For other circuit board of technical grade, it often requires higher for reliability and stability, and therefore the production cost of circuit board entirety is very high.When certain components and parts or certain chip break down time, need to change whole circuit board, so often cause the huge wasting of resources of circuit board.Even if carry out circuit board repair, the anelasticity wasting of resources of high maintenance cost and whole circuit board also to be related to.
And circuit board is split become multiple circuit board, the scattered complexity of equipment overall structure can be caused again, have adverse effect for the integrated level of whole equipment and structural design, and reliability reduces, and be not easy to safeguard.
Summary of the invention
The invention provides a kind of circuit board inserting mode, multiple electronic circuit plate combination can be plugged in the slot of equipment by it, and can tolerate the error in each electronic circuit plate group termination process largely, and it is correctly inserted in slot the most at last.
According to aspects of the present invention, a kind of circuit board connector system with flexible intermediate connector, it is characterized in that, comprise circuit board arrangement and PCB socket device, described circuit board arrangement comprises first circuit board component from top to bottom in a longitudinal direction successively, second circuit board component, intermediate connector, tertiary circuit plank part and the 4th circuit board component, wherein, the upper left-hand of first circuit board component is provided with the first thin alignment pin laterally extended left, lower end can be connected with the upper end of second circuit board component detachable, the left surface of first circuit board component is provided with the pin groups laterally extended left in the below of the described first thin alignment pin, the development length left of described pin groups is less than the development length left of the described first thin alignment pin,
The upper left-hand of second circuit board component is provided with the second thin alignment pin laterally extended left, lower end can be connected with the upper end of intermediate connector detachable, the left surface of second circuit board component is provided with the pin groups laterally extended left in the below of the described second thin alignment pin, the development length left of described pin groups is less than the development length left of the described second thin alignment pin;
The left side central portion of intermediate connector is provided with the middle coarse positioning pin extended left,
The material of described intermediate connector comprises electro-insulating rubber, thus makes described intermediate connector have elasticity;
The lower left side of tertiary circuit plank part is provided with the 3rd thin alignment pin laterally extended left, upper end can be connected with the lower end of intermediate connector detachable, the left surface of tertiary circuit plank part is provided with the pin groups laterally extended left above the described 3rd thin alignment pin, and the development length left of described pin groups is less than the development length left of the described 3rd thin alignment pin;
The lower left side of the 4th circuit board component is provided with the 4th thin alignment pin laterally extended left, upper end can be connected with the lower end of tertiary circuit plank part detachable, the left surface of the 4th circuit board component is provided with the pin groups laterally extended left above the described 4th thin alignment pin, and the development length left of described pin groups is less than the development length left of the described 4th thin alignment pin;
The length of the pin groups of described first, second, third and fourth circuit board component is equal, and the outer profile size of the thin alignment pin of described first, second, third and fourth is all identical with shape;
Described PCB socket device is disposed with in a longitudinal direction from top to bottom the first thin location hole, the second thin location hole, middle coarse positioning hole, the 3rd thin location hole and the 4th thin location hole, be respectively used to described first thin alignment pin, the second thin alignment pin, coarse positioning pin, the 3rd thin alignment pin and the 4th thin detent fit, wherein
Middle coarse positioning hole comprises the first round platform portion, the second round platform portion and cylindrical portion in a lateral direction from right to left successively, and wherein, the smaller diameter end in the first round platform portion is connected with the larger diameter end in the second round platform portion,
Described middle coarse positioning pin comprises circular arc top, round platform body and cylinder part in a lateral direction from left to right successively, the smaller diameter end of described circular arc top and described round platform body is tangent on bus, and the larger diameter end of described round platform body is connected with described cylinder part;
Described first round platform portion is used for the circular arc top contact with described middle coarse positioning pin, with to described circuit board arrangement coarse positioning, described second round platform portion is identical with described round platform body bus inclined degree, and for coordinating with described round platform body, coordinates insertion process to carry out rough-detail location pin; The diameter of described cylindrical portion is identical with described cylinder part, and described cylindrical portion is used for coordinating with described cylinder part, to carry out final location, middle part to described circuit board arrangement;
Shape and the size of the described first thin location hole, the second thin location hole, the 3rd thin location hole and the 4th thin location hole are all identical, comprise the first thin round platform hole, the second thin round platform hole and thin cylindrical hole from right to left in the horizontal successively, wherein, the smaller diameter end in the first thin round platform hole is connected with the larger diameter end in the second thin round platform hole
Described thin alignment pin comprises arc end part, round platform position and cylinder position in a lateral direction from left to right successively, the smaller diameter end at described arc end part and described round platform position is tangent on bus, and the larger diameter end at described round platform position is connected with described cylinder position;
Described first thin round platform hole is used for contacting with the arc end part of described thin alignment pin, insertion process is coordinated to carry out above-mentioned rough-detail location pin, described second thin round platform hole is identical with described round platform position bus inclined degree, and for coordinating with described round platform position, to carry out coordinating insertion process between thin alignment pin; The diameter of described thin cylindrical hole is identical with described cylinder position, and described thin cylindrical hole is used for coordinating with described cylinder position, to carry out final full spots localization to described circuit board arrangement;
The length of described middle coarse positioning pin is greater than the length of described thin alignment pin, and the length of described thin alignment pin is greater than the length of described pin groups, makes thus:
When described first round platform portion starts with the circular arc top contact of described middle coarse positioning pin with during to described circuit board arrangement coarse positioning, described thin alignment pin does not contact described circuit board arrangement, when described second round platform portion and described round platform body start to coordinate to carry out rough-detail location pin coordinate insertion process time, described coarse positioning terminates, and the arc end part of described thin alignment pin is positioned to all be in the position that can contact with the thin round platform hole of first of respective fine location hole by described coarse positioning;
During described rough-detail location pin coordinates insertion process, the interaction energy in the described second thin round platform hole of the described round platform body of described middle coarse positioning pin and the interaction in described second round platform portion in middle coarse positioning hole and the above-mentioned round platform position of described thin alignment pin and respective fine location hole synchronously drives described circuit board arrangement compatible deformation, thus the cylindrical portion potential energy of described thin alignment pin is coordinated with the thin cylindrical hole of respective fine location hole, thus described circuit board arrangement is carried out final full spots localization;
After described full spots localization, described pin groups starts to coordinate with corresponding pin holes, thus the grafting of circuit board arrangement is finally completed.
In this way, due to circuit board is divided into multiple circuit board component according to function, then by mechanical structure interface, each component is combined, because each component can produce larger site error in manufacture process in assembling group termination process, the present invention is by carrying out unique reception design by the jack of socket, by coordinating with the alignment pin arranged on circuit boards, and the process of cooperation is divided into multiple stage, the such as coarse positioning stage, rough-detail location pin coordinates positioning stage and thin alignment pin positioning stage, and fully by the strain reasonable distribution of the various piece of circuit board before contact pin inserts, thus make contact pin can insert slot smoothly, avoid a part of contact pin and can insert slot and another part contact pin can not insert the situation of slot, this mode can tolerate that manufacture and group connect error to greatest extent, and is convenient to the grafting of mechanical automation realizing circuit plate.By at described rough-detail location pin joint coordination position fixing process, made the distortion of circuit board have sufficient buffering by contact of incline plane, and, between the round platform section that the round platform section of coarse positioning pin is corresponding to coarse positioning hole, there is gap, the adjustment within the scope of certain degree of freedom can be carried out at the thin alignment pin of the first round platform bore edges part for circular arc top in thin alignment pin, make it more stressedly enter in location hole well, thus make it adjust the degree of freedom to increase; And make thin alignment pin lead circuit board to carry out dilatation, make full use of elasticity and the telescopicing performance of circuit board substrate trace itself, foozle is assigned to lentamente, equably each section of circuit board, avoid certain section of circuit board be out of shape excessive and cause circuit board damage, can ensure that again circuit board correctly can insert and at utmost allow manufacture and group to connect error.
Embodiment
Fig. 1 is the structural representation of circuit board arrangement in a coarse positioning embodiment at first.
Fig. 2 is that coarse positioning terminates and starts the schematic diagram that rough-detail location pin coordinates an embodiment of the circuit board grafting of position fixing process.
Fig. 3 is that rough-detail location pin coordination position fixing process terminates and starts to carry out the structural representation of a kind of situation example of full spots localization.
Fig. 4 is the enlarged drawing of the I part in Fig. 1.
Fig. 5 is the enlarged drawing of the II part in Fig. 1.
Fig. 6 is the enlarged drawing of the upper part of Fig. 2.
Fig. 7 is the enlarged drawing of the upper part of Fig. 3.
Fig. 8 and 9 is integrally-built schematic diagrames of circuit board arrangement of the present invention.
Embodiment
Below in conjunction with Fig. 1-9, the present invention is described in detail to cross example by the enforcement of instantiation.
A kind of circuit board connector system with flexible intermediate connector 90, it is characterized in that, comprise circuit board arrangement 9 and PCB socket device 8, described circuit board arrangement 9 comprises first circuit board component 91 from top to bottom in a longitudinal direction successively, second circuit board component 92, intermediate connector 90, tertiary circuit plank part 93 and the 4th circuit board component 94, wherein, the upper left-hand of first circuit board component 91 is provided with the first thin alignment pin 19 laterally extended left, lower end can be connected with the upper end of second circuit board component 92 detachable, the left surface of first circuit board component 91 is provided with the pin groups laterally extended left in the below of the described first thin alignment pin 19, the development length left of described pin groups is less than the development length left of the described first thin alignment pin 19,
The upper left-hand of second circuit board component 92 is provided with the second thin alignment pin 29 laterally extended left, lower end can be connected with the upper end of intermediate connector 90 detachable, the left surface of second circuit board component 92 is provided with the pin groups laterally extended left in the below of the described second thin alignment pin 29, the development length left of described pin groups is less than the development length left of the described second thin alignment pin 29;
The left side central portion of intermediate connector 90 is provided with the middle coarse positioning pin 10 extended left,
The material of described intermediate connector 90 comprises electro-insulating rubber, thus makes described intermediate connector 90 have elasticity;
The lower left side of tertiary circuit plank part 93 is provided with the 3rd thin alignment pin 39 laterally extended left, upper end can be connected with the lower end of intermediate connector 90 detachable, the left surface of tertiary circuit plank part 93 is provided with the pin groups laterally extended left above the described 3rd thin alignment pin 39, and the development length left of described pin groups is less than the development length left of the described 3rd thin alignment pin 39;
The lower left side of the 4th circuit board component 94 is provided with the 4th thin alignment pin 49 laterally extended left, upper end can be connected with the lower end of tertiary circuit plank part 93 detachable, the left surface of the 4th circuit board component 94 is provided with the pin groups laterally extended left above the described 4th thin alignment pin 49, and the development length left of described pin groups is less than the development length left of the described 4th thin alignment pin 49;
The length of the pin groups of described first, second, third and fourth circuit board component 91,92,93,94 is equal, and the outer profile size of the thin alignment pin of described first, second, third and fourth 19,29,39,49 is all identical with shape;
Described PCB socket device 8 is disposed with in a longitudinal direction from top to bottom the thin location hole 28 of the first thin location hole 18, second, middle coarse positioning hole 80, the 3rd thin location hole 38 and the 4th thin location hole 48, be respectively used to the thin alignment pin 29 of alignment pin 19, second thin with described first, coarse positioning pin 10, the 3rd thin alignment pin 39 and the 4th thin alignment pin 49 coordinate, wherein
Middle coarse positioning hole 80 comprises the first round platform portion 802 of round platform portion 801, second and cylindrical portion 803 in a lateral direction from right to left successively, and wherein, the smaller diameter end in the first round platform portion 801 is connected with the larger diameter end in the second round platform portion,
Described middle coarse positioning pin 10 comprises circular arc top 901, round platform body 902 and cylinder part 903 in a lateral direction from left to right successively, described circular arc top 901 is tangent on bus with the smaller diameter end of described round platform body 902, and the larger diameter end of described round platform body 902 is connected with described cylinder part 903;
Described first round platform portion 801 is for contacting with the circular arc top 901 of described middle coarse positioning pin 10, with to described circuit board arrangement 9 coarse positioning, described second round platform portion 802 is identical with described round platform body 902 bus inclined degree, and for coordinating with described round platform body 902, coordinate insertion process to carry out rough-detail location pin; The diameter of described cylindrical portion 803 is identical with described cylinder part 903, and described cylindrical portion 803 is for coordinating with described cylinder part 903, to carry out final location, middle part to described circuit board arrangement 9;
Shape and the size of the thin location hole 28 of the described first thin location hole 18, second, the 3rd thin location hole 38 and the 4th thin location hole 48 are all identical, comprise the first thin round platform hole 182, thin round platform hole 181, second and thin cylindrical hole 183 from right to left in the horizontal successively, wherein, the smaller diameter end in the first thin round platform hole 181 is connected with the larger diameter end in the second thin round platform hole
Described thin alignment pin 19,29,39,49 comprises arc end part 191, round platform position 192 and cylinder position 193 in a lateral direction from left to right successively, described arc end part 191 is tangent on bus with the smaller diameter end at described round platform position 192, and the larger diameter end at described round platform position 192 is connected with described cylinder position 193;
Described first thin round platform hole 181 is for contacting with the arc end part 191 of described thin alignment pin 19,29,39,49, insertion process is coordinated to carry out above-mentioned rough-detail location pin, described second thin round platform hole 182 is identical with described round platform position 192 bus inclined degree, and for coordinating with described round platform position 192, to carry out coordinating insertion process between thin alignment pin; The diameter of described thin cylindrical hole 183 is identical with described cylinder position 193, and described thin cylindrical hole 183 is for coordinating with described cylinder position 193, to carry out final full spots localization to described circuit board arrangement 9;
The length of described middle coarse positioning pin 10 is greater than the length of described thin alignment pin 19,29,39,49, and the length of described thin alignment pin 19,29,39,49 is greater than the length of described pin groups, makes thus:
When described first round platform portion 801 starts to contact with during to described circuit board arrangement 9 coarse positioning with the circular arc top 901 of described middle coarse positioning pin 10, described thin alignment pin 19, 29, 39, 49 do not contact described circuit board arrangement 9, when described second round platform portion 802 and described round platform body 902 start to coordinate to carry out rough-detail location pin coordinate insertion process time, described coarse positioning terminates, and described coarse positioning is by described thin alignment pin 19, 29, 39, the arc end part 191 of 49 be positioned to all to be in can with respective fine location hole 18, 28, 38, the position that the first thin round platform hole 181 of 48 contacts,
During described rough-detail location pin coordinates insertion process, the described round platform body 902 of described middle coarse positioning pin 10 and the interaction in the described second round platform portion 802 in middle coarse positioning hole 80 and described thin alignment pin 19, 29, 39, the above-mentioned round platform position 192 of 49 and respective fine location hole 18, 28, 38, the interaction energy in the described second thin round platform hole 182 of 48 synchronously drives described circuit board arrangement 9 compatible deformation, thus make described thin alignment pin 19, 29, 39, the cylinder position 193 of 49 can with respective fine location hole 18, 28, 38, the thin cylindrical hole 183 of 48 coordinates, thus described circuit board arrangement 9 is carried out final full spots localization,
After described full spots localization, described pin groups starts to coordinate with corresponding pin holes, thus the grafting of circuit board arrangement 9 is finally completed.
As used herein term, the meaning of location, middle part refers to that the middle part of whole circuit board arrangement completes location, and namely middle part completes location; Other alignment pins that full spots localization then refers to, such as thin alignment pin, also complete location, and the location of these alignment pins spreads all over the upper and lower of whole circuit board arrangement, is therefore a kind of full spots localization.
It is pointed out that the size in accompanying drawing is only the principle representing action of the present invention qualitatively, carrying out exaggerating and limiting case is in use shown on yardstick to show clear, therefore need not explain the present invention with the concrete dimensioning in accompanying drawing.The above embodiments are only to exemplified of the present invention, but not the restriction to protection scope of the present invention.Protection scope of the present invention is only defined by the claims.