CN108173018B - Card edge connector - Google Patents
Card edge connector Download PDFInfo
- Publication number
- CN108173018B CN108173018B CN201611114401.5A CN201611114401A CN108173018B CN 108173018 B CN108173018 B CN 108173018B CN 201611114401 A CN201611114401 A CN 201611114401A CN 108173018 B CN108173018 B CN 108173018B
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- China
- Prior art keywords
- slot
- contact part
- edge connector
- card edge
- row
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides a card edge connector, its includes insulator, first row of terminal and second row of terminal, wherein insulator includes roof, diapire, sets up preceding slot and back slot between roof and diapire and connect between roof and diapire and with preceding slot and the spaced-apart intermediate wall of back slot, first row of terminal sets up in the roof and has the first preceding contact site that extends into preceding slot and the first back contact site that extends into back slot respectively, the second row of terminal sets up in the diapire and has the second preceding contact site that extends into preceding slot and the second back contact site that extends into back slot respectively, insulator still including set up preceding key buckle in preceding slot and set up the back key buckle in back slot, preceding key buckle and back key buckle are used for preventing the misplug of butt joint element. The insulating body is provided with a front slot and a rear slot which can facilitate the connection of two card modules.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a card edge connector, and more particularly, to a card edge connector capable of connecting a plurality of card modules.
[ background of the invention ]
Referring to chinese patent No. CN202930586U, published in 2013, 5/8/h, the related art of the present invention discloses an NGFF card edge connector, which includes an insulating body, an upper row of terminals fixed on a top wall of the insulating body, and a lower row of terminals fixed on a bottom wall of the insulating body, wherein the insulating body is provided with a slot extending forward for inserting a card module. The horizontal fillets of the upper and lower rows of terminals are used for Surface Mount Technology (SMT) soldering to an external circuit board.
Referring to chinese patent No. CN101645554B issued on 24/9/2014, another prior art related to the present invention discloses an NGFF card edge connector, which includes an insulative housing, and a conductive terminal fixed on a top wall of the insulative housing, wherein the insulative housing is provided with a slot for inserting a card module. The vertical leg of the conductive terminal is used for Through-hole soldering (Through-hole) to an external circuit board.
NGFF card edge connector among the prior art all is equipped with two card modules of connection that a slot can not be fine, and the terminal welding of prior art is the surface welding formula or the perforation welding formula, because NGFF card edge connector product size is thinner, easily takes place following two defects in the high temperature welding process: 1. an abnormal coplanarity, resulting in poor functionality; 2. the bubbles are abnormal, resulting in poor appearance of the product.
Therefore, there is a need to provide a new card edge connector to overcome the above-mentioned drawbacks.
[ summary of the invention ]
The technical problem to be solved by the invention is as follows: a card edge connector is provided, which can connect two card modules and avoid the defect of abnormal coplanarity of terminals.
In order to solve the technical problems, the invention adopts the following technical scheme:
a card edge connector comprises an insulating body, a first row of terminals and a second row of terminals, wherein the insulating body comprises a top wall, a bottom wall, a front slot and a rear slot which are arranged between the top wall and the bottom wall, and an intermediate wall which is connected between the top wall and the bottom wall and separates the front slot from the rear slot, the first row of terminals are arranged on the top wall and respectively provided with a first front contact part extending into the front slot and a first rear contact part extending into the rear slot, the second row of terminals are arranged on the bottom wall and respectively provided with a second front contact part extending into the front slot and a second rear contact part extending into the rear slot, the first front contact part and the second front contact part are used for contacting with a first external element, the first rear contact part and the second rear contact part are used for contacting with a second external element, the insulating body further comprises a front key buckle arranged in the front slot and a rear key buckle arranged in the rear slot, the front key buckle and the rear key buckle are used for preventing the first external element and the second external element from being mistakenly inserted, two rows of terminal grooves which are arranged in a staggered mode are arranged on the top wall and the bottom wall of the insulating body, the terminal grooves penetrate through the middle wall in the front-rear direction, the insulating body comprises a first insulating body and a second insulating body which are assembled together, and the middle wall is arranged on the second insulating body.
Compared with the prior art, the invention has the following beneficial effects: the insulating body is provided with a front slot and a rear slot which can facilitate the connection of two card modules.
The invention is further improved as follows:
furthermore, the insulating body is provided with two side walls connected to the tail ends of the top wall and the bottom wall and two fixing plates respectively extending outwards from the two side walls, and the fixing plates are provided with fixing holes for fixing the card edge connector to an external circuit board. Through the arrangement of the fixing plate and the fixing hole, the problem of abnormal coplanarity when the conductive terminals are fixed to an external circuit board is avoided.
Further, the front and rear keys are aligned in a front-to-rear direction.
Furthermore, the front slot is arranged on the first insulating body, the rear slot is arranged on the second insulating body, the first insulating body further comprises a mounting groove located behind the front slot, and the second insulating body is assembled on the mounting groove.
Further, the depth of the mounting groove in the vertical direction is larger than that of the front slot in the vertical direction, and the depth of the rear slot in the vertical direction is the same as that of the front slot in the vertical direction.
Further, the first insulating body is provided with a first top wall and a first bottom wall, the inner sides of the front ends of the first top wall and the first bottom wall are respectively provided with a row of terminal grooves, and the first front contact part and the second front contact part respectively protrude from the corresponding terminal grooves to the front insertion grooves.
Further, the second insulating body is provided with a second top wall and a second bottom wall which are connected to the upper side and the lower side of the middle wall, a row of terminal grooves are formed in the inner sides of the rear ends of the second top wall and the second bottom wall respectively, and the first rear contact portion and the second rear contact portion protrude to the rear insertion groove from the corresponding terminal grooves respectively.
Further, the first row of terminals and the second row of terminals respectively have a first fixing portion fixed on the second top wall and a second fixing portion fixed on the second bottom wall, the first fixing portion is connected between the first front contact portion and the first rear contact portion, and the second fixing portion is connected between the second front contact portion and the second rear contact portion.
Further, the second insulating body has ribs protruding forward from both sides of the intermediate wall.
Furthermore, the middle wall is provided with a positioning groove which is positioned right in front of the rear key buckle.
[ description of the drawings ]
Fig. 1 is a perspective view of the card edge connector of the present invention.
Fig. 2 is a rear view of the card edge connector shown in fig. 1.
Fig. 3 is an exploded view of the card edge connector shown in fig. 1.
Fig. 4 is a further exploded view of the card edge connector shown in fig. 3.
Fig. 5 is a perspective sectional view of the card edge connector shown in fig. 1.
Fig. 6 is a sectional view of the card edge connector shown in fig. 2 taken along line a-a.
Fig. 7 is a sectional view of the card edge connector shown in fig. 2 taken along line B-B.
Fig. 8 is a sectional view of the card edge connector shown in fig. 2 taken along the line C-C.
Fig. 9 is a schematic view of a method of using the card edge connector of the present invention.
[ description of main element symbols ]
Insulating body 1 card edge connector 100
First top wall 111 of first insulating body 11
Fixing hole 117 of fixing plate 116
Stiffener 118 first terminal groove 119
Second top wall 131 of second insulating body 13
Stop arm 136 locating slot 137
First fixing portion 21 first front contact portion 22
First rear contact portion 23 first front pre-compression portion 24
Second rear contact part 33 second front prepressing part 34
Second rear prepressing section 35 terminal module 4
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
[ detailed description ] embodiments
As shown in fig. 1 to 9, a card edge connector 100 according to the present invention includes an insulative housing 1, a first row of terminals 2, and a second row of terminals 3. As shown in fig. 9, the card edge connector 100 can be used for inserting the first card module 200 backward and the second card module 300 forward, but the second card module 300 may be replaced by a Flexible Printed Circuit (FPC).
As shown in fig. 1 to 4, the insulative housing 1 includes a first insulative housing 11 and a second insulative housing 13 assembled together, and the first row of terminals 2 and the second row of terminals 3 are inserted and mounted to the first insulative housing 11 after being assembled and fixed to the second insulative housing 13 to form the terminal module 4.
The first insulating body 11 includes a first top wall 111, a first bottom wall 112, and a first side wall 113 connected to laterally opposite sides of the first top wall and the second bottom wall. The first top wall 111, the first bottom wall 112 and the first side wall 113 are surrounded to form a front slot 114 and a mounting slot 115 which are communicated with each other. Referring to fig. 4 and 5, the mounting groove 115 is located behind the front slot 114, and the depth of the mounting groove 115 in the vertical direction is greater than the depth of the front slot 114 in the vertical direction, and the length of the mounting groove 115 in the front-rear direction is also greater than the length of the front slot 114 in the front-rear direction. Two fixing plates 116 extend outward from the first side walls 113, and each fixing plate 116 is provided with a fixing hole 117 penetrating along the vertical direction, and the fixing hole 117 is used for passing a screw or a bolt and the like to fix the card edge connector 100 to an external circuit board (not shown). Two reinforcing ribs 118 are connected between the first side wall 113 and the fixing plate 116, and the strength of the first insulating body 11 is enhanced by the reinforcing ribs 118. The upper and lower rows of first terminal grooves 119 are respectively provided inside the front ends of the first top wall 111 and the first bottom wall 112. Front key 120 is disposed in front slot 114 to divide front slot 114 into two left and right lateral portions of different widths, front key 120 being for preventing insertion of first card module 200 in an incorrect direction. The first insulating body 11 is further provided with a positioning post 121 for guiding mounting to an external circuit board.
The second insulating body 13 has a second top wall 131, a second bottom wall 132, and a middle wall 133 connected to front ends of the second top wall 131 and the second bottom wall 132. The second top wall 131, the second bottom wall 132 and the middle wall 133 enclose a rear slot 134 with a rear opening, and a rear key 135 is disposed in the rear slot 134, and the rear key 135 divides the rear slot 134 into two left and right portions with different widths along the transverse direction. The rear key 135 may prevent the second card module 300 or the flexible circuit board from being inserted in a wrong direction. The intermediate wall 133 is provided at both lateral sides thereof with respective stop arms 136 projecting forward, and the stop arms 136 are provided so as to facilitate control of the insertion stop position of the first card module 200 inserted into the front slot 114. Preferably, each stop arm 136 is L-shaped. The second terminal grooves 138 in the upper and lower rows are respectively provided inside the rear ends of the second top wall 131 and the second bottom wall 132. As shown in fig. 3 and 8, the intermediate wall 133 is provided with a positioning groove 137 directly in front of the rear key 135, and when the terminal module 4 is insert-mounted to the first insulating body 11 at the rear, the front key 120 can be positioned into the positioning groove 137, so that the front key 120 and the rear key 135 are aligned in the front-rear direction. The first row of terminals 2 each have a first fixing portion 21 fixed to the second top wall 131, a first front contact portion 22 extending forward from the first fixing portion 21 into the front socket 114, and a first rear contact portion 23 extending rearward from the first fixing portion 21 into the rear socket 134. The second row of terminals 3 each have a second fixed portion 31 fixed to the second bottom wall 132, a second front contact portion 32 extending forward from the second fixed portion 31 into the front socket 114, and a second rear contact portion 33 extending rearward from the second fixed portion 31 into the rear socket 134. The first front contact portion 22 protrudes downward from the first terminal groove 119 of the first top wall 111, and the second front contact portion 32 protrudes upward from the first terminal groove 119 of the first bottom wall 112. The first rear contact portion 23 protrudes downward from the second terminal groove 138 of the second top wall 131, and the second rear contact portion 33 protrudes upward from the second terminal groove 138 of the second bottom wall 132. The first front contact portion 22 and the second front contact portion 32 are disposed opposite to each other and have elasticity. The first rear contact portion 23 and the second rear contact portion 33 are disposed to face each other and have elasticity.
The first row of terminals 2 is substantially M-shaped, and the second row of terminals 3 is substantially M-shaped. The first row of terminals 2 is further provided with a first front pre-pressing portion 24 extending further forward from the first front contact portion 22 and a first rear pre-pressing portion 25 extending further rearward from the first rear contact portion 23. The second row of terminals 3 is further provided with a second front pre-pressing portion 34 extending further forward from the second front contact portion 32 and a second rear pre-pressing portion 35 extending further rearward from the second rear contact portion 33. The first front prepressing section 24 and the second front prepressing section 34 are respectively accommodated in the first terminal groove 119, and the first back prepressing section 25 and the second back prepressing section 35 are respectively accommodated in the second terminal groove 138. The second terminal groove 138 penetrates the second top wall 131 and the second bottom wall 132 of the second insulating housing 13 in the vertical direction, respectively, so that the elasticity of the first rear contact portion 23 and the second rear contact portion 33 can be ensured while the thickness of the second insulating housing 13 in the vertical direction is made thin.
The above-described embodiment divides the insulative housing 1 into two first and second insulative housings 11 and 13 independent of each other, thereby facilitating the mounting of the first and second rows of terminals 2 and 3. Of course, the first insulator 11 and the second insulator 13 may be integrated, and only one-time injection molding is needed to complete the manufacture of the insulator 1, and compared with the split-type first insulator 11 and the split-type second insulator 13, the insulator 1 of the integrated type can be realized only by opening one mold.
The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.
Claims (10)
1. The utility model provides a card edge connector, its includes insulator, the terminal of first row and the terminal of second row, its characterized in that: the insulating body comprises a top wall, a bottom wall, a front slot and a rear slot which are arranged between the top wall and the bottom wall, and a middle wall which is connected between the top wall and the bottom wall and separates the front slot from the rear slot, wherein a first row of terminals are arranged on the top wall and respectively provided with a first front contact part extending into the front slot and a first rear contact part extending into the rear slot, a second row of terminals are arranged on the bottom wall and respectively provided with a second front contact part extending into the front slot and a second rear contact part extending into the rear slot, the first front contact part and the second front contact part are used for contacting with a first external element, the first rear contact part and the second rear contact part are used for contacting with a second external element, the insulating body further comprises a front key buckle arranged in the front slot and a rear key buckle arranged in the rear slot, and the front key buckle and the rear key buckle are used for preventing the mis-insertion of the first external element and the second external element, the insulating body is provided with two rows of terminal grooves which are arranged in a staggered mode in the top wall and the bottom wall, the terminal grooves penetrate through the middle wall in the front-back direction, the insulating body comprises a first insulating body and a second insulating body which are assembled together, and the middle wall is arranged on the second insulating body.
2. The card edge connector according to claim 1, wherein: the insulating body is provided with two side walls connected to the tail ends of the top wall and the bottom wall and two fixing plates extending outwards from the two side walls respectively, and the fixing plates are provided with fixing holes used for fixing the card edge connector to an external circuit board.
3. The card edge connector according to claim 1, wherein: the front and rear buttons are aligned in a front-to-rear direction.
4. The card edge connector according to claim 1, wherein: the front slot is arranged on the first insulation body, the rear slot is arranged on the second insulation body, the first insulation body further comprises a mounting groove located behind the front slot, and the second insulation body is assembled on the mounting groove.
5. The card edge connector as claimed in claim 4, wherein: the depth of the mounting groove in the vertical direction is larger than that of the front slot in the vertical direction, and the depth of the rear slot in the vertical direction is the same as that of the front slot in the vertical direction.
6. The card edge connector as claimed in claim 4, wherein: the first insulating body is provided with a first top wall and a first bottom wall, the inner sides of the front ends of the first top wall and the first bottom wall are respectively provided with a row of terminal grooves, and the first front contact part and the second front contact part respectively protrude from the corresponding terminal grooves to the front insertion grooves.
7. The card edge connector as claimed in claim 6, wherein: the second insulation body is provided with a second top wall and a second bottom wall which are connected to the upper side and the lower side of the middle wall, the inner sides of the rear ends of the second top wall and the second bottom wall are respectively provided with a row of terminal grooves, and the first rear contact part and the second rear contact part respectively protrude to the rear insertion groove from the corresponding terminal grooves.
8. The card edge connector as claimed in claim 7, wherein: the first row of terminals and the second row of terminals are respectively provided with a first fixing part fixed on the second top wall and a second fixing part fixed on the second bottom wall, the first fixing part is connected between the first front contact part and the first rear contact part, and the second fixing part is connected between the second front contact part and the second rear contact part.
9. The card edge connector as claimed in claim 4, wherein: the second insulating body is provided with convex ribs which protrude forwards from two sides of the middle wall.
10. The card edge connector according to claim 1, wherein: the middle wall is provided with a positioning groove which is positioned right in front of the rear key buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611114401.5A CN108173018B (en) | 2016-12-07 | 2016-12-07 | Card edge connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611114401.5A CN108173018B (en) | 2016-12-07 | 2016-12-07 | Card edge connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108173018A CN108173018A (en) | 2018-06-15 |
| CN108173018B true CN108173018B (en) | 2020-02-21 |
Family
ID=62526377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611114401.5A Active CN108173018B (en) | 2016-12-07 | 2016-12-07 | Card edge connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108173018B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220336976A1 (en) * | 2021-04-16 | 2022-10-20 | TE Connectivity Services Gmbh | Receptacle coupler for communication system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201498675U (en) * | 2009-08-26 | 2010-06-02 | 富士康(昆山)电脑接插件有限公司 | Card edge connector |
| CN201829653U (en) * | 2010-09-23 | 2011-05-11 | 富士康(昆山)电脑接插件有限公司 | Card edge connector |
| CN201845904U (en) * | 2010-10-08 | 2011-05-25 | 得意精密电子(苏州)有限公司 | Electric connector |
| CN103022764A (en) * | 2012-07-05 | 2013-04-03 | 启东乾朔电子有限公司 | Card edge connector |
-
2016
- 2016-12-07 CN CN201611114401.5A patent/CN108173018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201498675U (en) * | 2009-08-26 | 2010-06-02 | 富士康(昆山)电脑接插件有限公司 | Card edge connector |
| CN201829653U (en) * | 2010-09-23 | 2011-05-11 | 富士康(昆山)电脑接插件有限公司 | Card edge connector |
| CN201845904U (en) * | 2010-10-08 | 2011-05-25 | 得意精密电子(苏州)有限公司 | Electric connector |
| CN103022764A (en) * | 2012-07-05 | 2013-04-03 | 启东乾朔电子有限公司 | Card edge connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108173018A (en) | 2018-06-15 |
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