CN203013980U - Card edge connector - Google Patents
Card edge connector Download PDFInfo
- Publication number
- CN203013980U CN203013980U CN 201220735568 CN201220735568U CN203013980U CN 203013980 U CN203013980 U CN 203013980U CN 201220735568 CN201220735568 CN 201220735568 CN 201220735568 U CN201220735568 U CN 201220735568U CN 203013980 U CN203013980 U CN 203013980U
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- CN
- China
- Prior art keywords
- terminal
- insulation shell
- slot
- fixed part
- bayonet connector
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- 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
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Abstract
The utility model discloses a card edge connector comprising an insulation housing, a plurality of terminals, and a pair of ear clips. The plurality of terminals and the ear clips are accommodated in the insulation housing, and the plurality of terminals are respectively provided with a fixing part. One end of each of the fixing parts is provided with a contact part in an extended manner. The other end of each of the fixing parts is provided with a welding part in an extended manner. An extension part is disposed between each of the fixing parts and each of the contact parts. Each of the fixing parts is provided with at least one clamping point in an outwardly-protruded manner. Each of the clamping points and the insulation housing are in an interference cooperation. An impedance value of each of terminals can be adjusted by changing the shape and the size of each of the clamping points. The optimized area of each of the fixing points is 0.3mm*0.7mm. The utility model is advantageous in that the impedance requirement range of the high frequency electronic signals can be realized by using the card edge connector; the terminals can be accurately and faultlessly assembled with the insulation housing by using the automatic device, because the terminals are free of the tedious configuration of the superfluous assemblies; the integral yield rate of the batch production can be effectively improved.
Description
Technical field
The utility model especially is applied to as the bayonet connector on memory card module, display card module, solid state hard disc module or wireless interface module relevant for a kind of bayonet connector.
Background technology
be applied to as desktop PC in the past, the memory card module of notebook computer or other portable multimedia play device (Memory card module), network card module (Network interfacecard module), the bayonet connectors such as multimedia video playing module or satellite positioning module (GPS module), usually because the quantity of terminal causes the mutual interference of signal meeting phase more, thereby be difficult to meet the standard specification of high-frequency signal, in addition, microminiaturization due to terminal, make the assembling of itself and insulating body easily produce difficulty in manufacturing.
To shown in Figure 16, the TaiWan, China patent provides for No. M421627 a kind of card connector, this card connector to comprise an insulating body A10, a plurality of front terminal A21 and a plurality of back terminal A22 as Figure 14.this insulating body A10 is provided with to accommodate the card accepting groove A11 of an electronic cards (not illustrating in icon), offer a plurality of front terminal groove A14 and a plurality of rearward-facing end pilot trench A16 on insulating body A10, each front terminal A21 is placed in this front terminal groove A14, each front terminal A21 has one first holding parts A211, one extends upward the first holding section A212 of formation from the first holding parts A211 rear end, one bends the first elastic arm A213 that extends to form downwards again after the first holding section A212 front center is inclined upwardly extension forward, one from the first holding parts A211 middle part be inclined upwardly extend after the second elastic arm A214 of extending to form forward of level again, one the first weld part A215 that extends to form downwards from the first holding parts A211 front end bottom and one is convexly equipped with the first contact site A216 of formation from the first holding parts A211 front end in the second elastic arm A214 end corresponding position.
In addition, from the above, after the second holding parts A221, of each back terminal A22 with strip of downward-extension on extends forward from the second holding parts A221 upper end again the holding division A224 that extends to form forward near lower end from the second holding parts A221 of the 3rd elastic arm A223 that extends to form of bending downwards, second a holding section A222 who extends to form forward from the 3rd elastic arm A223 below, the second holding parts A221 top,, bend backward from the second holding parts A221 lower end the second weld part A225 that extends to form.The first holding parts A211 is immobilizated in the first storage tank A141, the first holding section A212 is fastened in the first support slot A142, the first elastic arm A213 end stretches in card accepting groove A11, and the second elastic arm A214 and the first contact site A216 are contained in the first storage tank A141; The second holding parts A221 is immobilizated in the second support slot A162, the second holding section A222 is fastened in the second support slot A162, the 3rd elastic arm A223 end deeply blocks in accepting groove A11, the first weld part A215 is staggered and stretches out in first end pilot trench A14 with convenient welding, the second weld part A225 stretches out in outside the second terminal groove A16, wherein, the first elastic arm A213 descends on press contacts to the second elastic arm A214 movably.
yet, in above-mentioned terminal structure, because each front terminal and back terminal are all main body and other arrangement of components of branch in addition by the first holding parts and the second holding parts, due to terminal when providing electronic signal to transmit, cross section by this first holding parts and the second holding parts can cause the current energy huge broadness that becomes suddenly because branch becomes more, and then high-frequency resistance (Impedance) value of each assembly is reduced, producing to disturb each other causes signal weak, and because branch component is too much, on the volume production processing procedure, when terminal when being assembled in insulating body, terminal easily occurs to fracture, distortion, scrape the factor of damage or other force majeure, increase the probability of automation equipment bad product when processing procedure, therefore cause and produce upper problem to be solved.
The utility model content
Main purpose of the present utility model is to provide a kind of bayonet connector, this bayonet connector utilizes the simple designs terminal structure, the resistance value that profile by changing a stuck point and size are adjusted terminal, and then promote the signal integrity degree of high-frequency signal between bayonet connector transmits.
The disclosed bayonet connector of the utility model mainly is comprised of an insulation shell, a plurality of terminal and a pair of earclip, this insulation shell central fovea is provided with an elongate slots and a plurality of slot, this elongate slots string is worn each slot, this elongate slots can be planted for an electronic cards and be located, each terminal is individually fixed in this slot, this earclip difference accommodation apparatus is in an accepting groove of this insulation shell, and this earclip is installed on the accepting groove of this insulation shell with loose fit.Wherein, these a plurality of terminals all are provided with a fixed part, extend to form a contact site by each fixed part one end, extend to form a weld part by each fixed part other end, be provided with an extension between this fixed part and this contact site, this fixed part is given prominence to and is provided with at least one stuck point, this stuck point and this slot are interfered, make this terminal and this insulation shell tight fit, make both be difficult for producing the phenomenon that separation comes off, and utilize to change the profile of this stuck point and size and adjust each terminal resistance value, the optimization area of a stuck point wherein is 0.3mm X0.7mm.
A plurality of terminals in the utility model can be divided into the first terminal and the second terminal, this the first terminal is assembled in this slot from the bottom of this insulation shell, this second terminal is from the side assembling of this insulation shell in this slot, wherein remain with suitable spacing between this slot and slot, and the slot of assembling this first terminal is the staggered arrangement mode that designs with the slot of assembling this second terminal, make the contact site of this first terminal and the contact site of this second terminal partly be placed in this elongate slots with symmetrical aspect, be beneficial to being electrically connected to of this electronic cards and a plurality of terminals.
In the utility model, the stuck point area of above-mentioned this second terminal is 0.3mm X0.7mm, makes its terminal resistance value can reach 75 ~ 95 ohm of the standard specifications of high-frequency resistance.
Be respectively equipped with a guide surface between the fixed part of the fixed part of this first terminal in the utility model and weld part and the second terminal and extension, bootable each terminal of this guide surface enters each slot, and then assists this stuck point and this insulation shell interference engagement.In addition, this fixed part and this welding position be in different fore-and-aft planes, makes that this weld part and a relative circuit board are that the keeping parallelism state forms and is electrically connected to.The extension of this first terminal crooked extension that be inclined upwardly makes its deformation space that elastic force bending is arranged, the elasticity location when being conducive to this electronic cards and planting.
other can become by the exposure of the utility model specification aobvious about application of the present utility model and easily know, yet, the exposure of the utility model specification is to adjust the resistance value of terminal by the profile that changes a stuck point and size, make it reach the impedance claimed range of high-frequency electronic signal, and each terminal is due to the burden configuration without other unnecessary assembly, make terminal can utilize automation equipment to be assembled in like clockwork insulation shell, the whole yield that effective hoisting load produces, if those skilled in the art utilize the design of other same principle, still belong to the disclosed scope of the utility model.
Description of drawings
Fig. 1 is the stereo appearance figure at the utility model the first visual angle.
Fig. 2 is the stereo appearance figure at another visual angle of the utility model.
Fig. 3 is the three-dimensional exploded view at the utility model the first visual angle.
Fig. 4 is the three-dimensional exploded view at the utility model the second visual angle.
Fig. 5 is the three-dimensional exploded view at the utility model the 3rd visual angle.
Fig. 6 is the three-dimensional appearance schematic diagram of the utility model the first terminal.
Fig. 7 is the three-dimensional appearance schematic diagram of the utility model the second terminal.
Fig. 8 is the front view after the utility model preferred embodiment assembling is completed.
Fig. 9 is the A-A profile of the utility model preferred embodiment.
Figure 10 is that original terminal is the high-frequency resistance value computer simulation chart of 1.2mm X0.5mm in the stuck point area.
Figure 11 is that the utility model the second terminal is the high-frequency resistance value computer simulation chart of 0.3mm X0.7mm in the stuck point area.
Figure 12 is the high-frequency resistance value computer simulation chart of original terminal.
Figure 13 is the high-frequency resistance value computer simulation chart of the utility model the first terminal.
Figure 14 is the three-dimensional exploded view of No. the M421627th, TaiWan, China patent.
Figure 15 is the sectional axonometric drawing of No. the M421627th, TaiWan, China patent.
Figure 16 is the side cutaway view of No. the M421627th, TaiWan, China patent.
Embodiment
as shown in Figure 1, in the utility model preferred embodiment, this bayonet connector is mainly by an insulation shell 1, a plurality of terminals 2 and a pair of earclip 3 form, this insulation shell 1 central fovea is provided with an elongate slots 11 and a plurality of slot 12, these elongate slots 11 strings are worn respectively this slot 12, this elongate slots 11 can supply for example storage card of an electronic cards (not illustrating in icon), display card, the card such as sound card or wireless network card is planted and is located, wherein this elongate slots 11 also can arrange a reference column 13 according to the limited bayonet position of corresponding electronic cards (not illustrating in icon) usually in addition, this reference column 13 is usually located at the non-midpoint of this elongate slots 11, at the present embodiment to design a reference column 13 as main, certainly coordinate the needs of corresponding card also can design two or more reference column 13, this reference column 13 is according to the correspondence setting of this electronic cards (not illustrating in icon) in order to the inverse plugging device, that is prevent electronic cards (not illustrating in icon) wrong installation and burn out electronic cards (not illustrating in icon) in elongate slots 11, improve the safety in utilization of electronic cards (not illustrating in icon), in addition, please refer to as shown in Figure 5, respectively this terminal 2 is individually fixed in this slot 12, and the both sides of this insulation shell 1 are respectively equipped with an accepting groove 14, and these earclip 3 loose fits are installed on this accepting groove 14.
as shown in Figures 2 and 3, in the utility model preferred embodiment, the flake structure that these a plurality of terminals 2 are formed by a direct punching of sheet material need not to process in addition bending and can utilize automation equipment to be assembled in this insulation shell 1, and these a plurality of terminals 2 all are provided with a fixed part 211, 221, by this fixed part 211 respectively, 221 1 ends extend to form a contact site 212, 222, by this fixed part 211 respectively, 221 other ends extend to form a weld part 213, 223, this fixed part 211, 221 and this contact site 212, be provided with an extension 214 between 222, 224, this fixed part 211, 221 outside vertical outstanding at least one stuck points 215 that are provided with, 225, make this stuck point 215 by external force, 225 with these slot 12 interference engagement, this terminal 2 is restrained is positioned this insulation shell 1, interfere because this terminal 2 forces mutually with this insulation shell 1 tight fit that causes, make both be difficult for producing and separate the phenomenon that comes off, and utilize and change this stuck point 215, 225 profile and size and adjust the respectively resistance value of this terminal 2, the optimization area of the stuck point 225 in the utility model is 0.3mm X0.7mm.
as extremely shown in Figure 9 in Fig. 6, in the utility model preferred embodiment, these a plurality of terminals 2 can be divided into the first terminal 21 and the second terminal 22, this the first terminal 21 is from bottom-up this slot 12 that is assembled in of this insulation shell 1, and this first terminal 21 has in the form of sheets a terminal body, these the first terminal 21 extensions 214 are inclined upwardly, and crooked extension is proper spends the replication shapes for essence is 180, make this electronic cards (not illustrating in icon) when being assembled in this insulation shell 1, this the first terminal 21 has the deformation space of an elastic bending, assist this electronic cards (not illustrating in icon) assembling to locate, this second terminal 22 is assembled in this slot 12 inwardly from the side of this insulation shell 1, this second terminal 22 also has in the form of sheets a terminal body, and these the second terminal 22 weld parts 223 are a L-type, in order to be electrically connected to a circuit board (not illustrating in icon), this second terminal 22 is respectively equipped with a stuck point 225 in the both sides of fixed part 221, because this second terminal 22 is provided with two stuck points 225 at least, make when assembling this electronic cards (not illustrating in icon) in insulation shell 1, can strengthen this second terminal 22 and these slot 12 interference engagement, make this second terminal 22 difficult drop-off distortion, in addition, relatively respectively the opposite side of these the second terminal 22 stuck points 225 is respectively equipped with a benchmark section 226, be resisted against this slot 12 and inside parallel pushing take these benchmark section 226 bottoms as datum plane, can assist automation equipment smooth this second terminal 22 of deriving when volume production to enter like clockwork this corresponding slot 12, wherein remain with suitable spacing between this slot 12 and slot 12, and the slot 12 of assembling this first terminal 21 is the horizontal mode of dislocation design each other with the slot 12 of assembling this second terminal 22, make the contact site 212 of this first terminal 21 and the contact site 222 of this second terminal 22 partly be placed in this elongate slots 11 with symmetrical aspect, be beneficial to being electrically connected to of this electronic cards (not illustrating in icon) and these a plurality of terminals 2, use this electronic cards of conducting (not illustrating in icon) and this circuit board (not illustrating in icon), make both can carry out unidirectional or transmitted in both directions between data.
as extremely shown in Figure 5 in Fig. 3, in the utility model preferred embodiment, be respectively equipped with a guide surface 217 between the fixed part 221 of the fixed part 211 of this first terminal 21 and weld part 213 and the second terminal 22 and extension 224, 227, this guide surface 217, 227 bootable respectively these terminals 2 enter respectively this slot 12, wherein, the stuck point 215 of this first terminal 21 and the weld part of this second terminal 22 223 and this guide surface 217, 227 equidirectional planes, be respectively equipped with one first stopper 23 and the second stopper 24, this the first terminal 21 is take the first stopper 23 as datum level, push up by external force centered by datum level, this second terminal 22 is inwardly pushed by external force, this guide surface 227 is taken advantage of a situation to be guided this stuck point 225 and utilizes this second stopper 24 for pushing away stop, this second stopper 24 is resisted against after an outer wall 15 of this slot 12 just no longer forward, and then assist respectively this stuck point 215, 225 respectively with this insulation shell 1 interference engagement.In addition, this fixed part 211,221 and this weld part 213,223 be positioned at different fore-and-aft planes, make that this weld part 213,223 is that the keeping parallelism state forms and is electrically connected to a relative circuit board (not illustrating in icon), with convenient manufacture by SMT (Surface Mounting Technology) surface mounting technology, and needn't in addition circuit board (not illustrating in icon) boring accommodating terminal 2 pins be welded action.
From the above, the standard value of general high-frequency resistance is 75 ~ 95 ohm.As shown in figure 10, be 1.2mm X0.5mm by the stuck point area that can find this original terminal in figure, the high-frequency resistance value that goes out via Computer Simulation is lower than 75 ohm, can't reach the requirement of high-frequency resistance standard specification; As shown in figure 11, in the utility model preferred embodiment, stuck point 225 areas of this second terminal 22 are 0.3mm X0.7mm, make its terminal resistance value can reach 75 ~ 95 ohm of the standard specifications of high-frequency resistance.
From the above, all have electric capacity between any two metals that are not conducted, namely call capacity effect, as shown in figure 12, by finding in figure because this original terminal is too approaching with circuit board, easily cause this electronic cards contact point (Pad) and original terminal capacitance effect to strengthen, the high-frequency resistance value that goes out via Computer Simulation is lower than 75 ohm, can't reach the requirement of standard specification; As shown in figure 13, in the utility model preferred embodiment, this first terminal 21 is via the profile and the size that change this stuck point 215, makes its terminal resistance value can reach 75 ~ 95 ohm of the standard specifications of high-frequency resistance.
Although technology contents of the present utility model discloses as above with preferred embodiment; so it is not to limit the scope of the claims of the present utility model; have in technical field under any and usually know the knowledgeable; within not breaking away from spirit and scope of the present utility model; when can do a little modification and variation, therefore protection range of the present utility model should with claim the person of being defined be as the criterion.
The reference number table
Elongate slots 11 slots 12
The first terminal 21
Fixed part 211 contact sites 212
Weld part 213 extensions 214
The first stopper 23
The second terminal 22
Fixed part 221 contact sites 222
Weld part 223 extensions 224
Earclip 3
Claims (8)
1. bayonet connector, this bayonet connector includes an insulation shell and a plurality of terminal, these a plurality of terminal accommodating are installed on this insulation shell, wherein, these a plurality of terminals all are provided with a fixed part, extend to form a contact site by this fixed part one end respectively, extend to form a weld part by this fixed part other end respectively, be provided with an extension between this fixed part and this contact site, it is characterized in that: this fixed part is given prominence to and is provided with at least one stuck point, respectively this stuck point and this insulation shell are interfered, utilize to change the profile of this stuck point and size and adjust respectively this terminal resistance value, the optimization area of a stuck point wherein is 0.3mm X0.7mm.
2. as claim 1 a described bayonet connector, it is characterized in that: this insulation shell central fovea is provided with an elongate slots and a plurality of slot, this elongate slots string is worn respectively this slot, and this elongate slots can be planted for an electronic cards and be located, and respectively this terminal is individually fixed in this slot.
3. bayonet connector as claimed in claim 2, it is characterized in that: these a plurality of terminals can be divided into the first terminal and the second terminal, this the first terminal is assembled in this slot from the bottom of this insulation shell, and this second terminal is from the side assembling of this insulation shell in this slot.
4. bayonet connector as claimed in claim 3, it is characterized in that: be respectively equipped with a guide surface between the fixed part of the fixed part of this first terminal and weld part and the second terminal and extension, bootable respectively this terminal of this guide surface enters respectively this slot, and then assists this stuck point and this insulation shell to interfere.
5. bayonet connector as claimed in claim 1, it is characterized in that: this fixed part and this welding position are in different fore-and-aft planes.
6. bayonet connector as claimed in claim 3 is characterized in that: the extension of this first terminal crooked extension that be inclined upwardly makes its deformation space that elastic force bending is arranged, the elasticity location when being conducive to this electronic cards and planting.
7. bayonet connector as claimed in claim 1, it is characterized in that: this bayonet connector is provided with a pair of earclip in addition, and this earclip loose fit respectively is installed on an accepting groove of this insulation shell.
8. bayonet connector as claimed in claim 3, it is characterized in that: the stuck point area of this second terminal is 0.3mm X0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735568 CN203013980U (en) | 2012-12-28 | 2012-12-28 | Card edge connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735568 CN203013980U (en) | 2012-12-28 | 2012-12-28 | Card edge connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013980U true CN203013980U (en) | 2013-06-19 |
Family
ID=48605539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735568 Expired - Fee Related CN203013980U (en) | 2012-12-28 | 2012-12-28 | Card edge connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262097A (en) * | 2018-12-03 | 2020-06-09 | 宣德科技股份有限公司 | High frequency connector |
| CN116598819A (en) * | 2023-04-06 | 2023-08-15 | 深圳市兴万联电子有限公司 | High density high rate connector |
-
2012
- 2012-12-28 CN CN 201220735568 patent/CN203013980U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262097A (en) * | 2018-12-03 | 2020-06-09 | 宣德科技股份有限公司 | High frequency connector |
| CN116598819A (en) * | 2023-04-06 | 2023-08-15 | 深圳市兴万联电子有限公司 | High density high rate connector |
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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: 20130619 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |