CN114725711B - Fool-proof reinforcing structure of card edge connector - Google Patents
Fool-proof reinforcing structure of card edge connector Download PDFInfo
- Publication number
- CN114725711B CN114725711B CN202210087180.6A CN202210087180A CN114725711B CN 114725711 B CN114725711 B CN 114725711B CN 202210087180 A CN202210087180 A CN 202210087180A CN 114725711 B CN114725711 B CN 114725711B
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- Prior art keywords
- fool
- proof
- retaining
- groove
- insulating body
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 17
- 239000012212 insulator Substances 0.000 claims description 14
- 235000013372 meat Nutrition 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 description 19
- 238000009413 insulation Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 244000188472 Ilex paraguariensis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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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
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Credit Cards Or The Like (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a fool-proof reinforcing structure of a card edge connector, which comprises an insulating body, wherein an inserting slot for inserting an electronic card is formed in the insulating body, fool-proof parts matched with the fool-proof slots on the electronic card are arranged in the inserting slot of the insulating body, retaining walls on two sides of the inserting slot of the insulating body are provided with retaining slots, fool-proof positioning pieces are further arranged on the retaining walls, each fool-proof positioning piece comprises a protection sheet and a retaining part, the protection sheets and the retaining parts are fixedly positioned, the retaining parts of the fool-proof positioning pieces can be inserted into the retaining slots of the insulating body in a stopping manner, the protection sheets of the fool-proof positioning pieces are accommodated in the inserting slot, and the protection sheets of the fool-proof positioning pieces are blocked on two side wall surfaces of the fool-proof parts along the extending direction of the inserting slot.
Description
Technical Field
The present invention relates to connectors, and more particularly to a fool-proof reinforcing structure for a card edge connector.
Background
The insulation body of the card edge connector is provided with a card slot for accommodating the memory module, the card slot of the insulation body is internally provided with a fool-proof part for preventing the electronic card from being misplaced, the fool-proof part of the card edge connector with the existing specification and the insulation body are made into an integrated structure, when the insulation body is used, the electronic card of the memory module is inserted into the card slot of the insulation body, the fool-proof part of the insulation body is inserted into the fool-proof groove of the electronic card, and when the electronic card of the memory module is taken down, a user pulls out a movable locking piece of the card edge connector to enable one end of the electronic card of the memory module to withdraw, and the tip part of the inner wall of the fool-proof groove of the electronic card can scratch the fool-proof part of the insulation body; when the electronic card is pulled out, if a user pulls out the electronic card obliquely to one side, the fool-proof part on the insulating body is also broken.
In view of the above drawbacks, there are currently a metal positioning member mounted on an insulating body, and a protection sheet is disposed on the metal positioning member to protect a foolproof portion of the insulating body, so as to prevent the foolproof portion of the insulating body from being damaged when an electronic card is taken, and the following two types of fixing connection structures of the metal positioning member and the insulating body are mainly provided:
First kind: the patent with 201521084341.8 (as shown in fig. 1) discloses a method for positioning a metal positioning piece, wherein a retaining groove with meat shortage is formed on the outer side of a retaining wall of an insulating body, two ends of a key buckle part are respectively bent to form an extension part, the lower end of the extension part is provided with a fixed pin, the extension part is accommodated in a meat reduction groove of the insulating body, and the fixed pin is inserted into a slot of a circuit board and welded with the circuit board after extending out of the surface of the insulating body;
Second kind: the patent with application number 201610851574.9 (as shown in fig. 2) also discloses that a meat reducing groove is formed on the outer side of the retaining wall of the insulating body, meanwhile, a retaining groove with a meat shortage is further formed on the bottom surface of the insulating body, an extension part of the key buckling part is accommodated in the meat reducing groove and surrounds the side wall of the insulating body, and a fixing part of the key buckling part is inserted into the retaining groove of the insulating body and is buckled with the insulating body, so that the metal positioning piece is positioned.
The above two positioning modes form a meat-lack structure on the periphery of the insulating body, so that the strength of the insulating body at the fool-proof part is weakened, and when the fool-proof part of the insulating body is interfered by the electronic card to bear tensile force, the part of the insulating body with weakened strength is easy to break, so that the connector is invalid.
Disclosure of Invention
In order to make up for the defects, the invention provides a foolproof reinforcing structure of a card edge connector, which can ensure that a user can insert and pull an electronic card by different methods without damaging the card edge connector.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a card edge connector prevents slow-witted additional strengthening, includes the insulator, be formed with the card slot that is used for inserting the establish electronic card on the insulator, be equipped with the slow-witted portion of preventing that matches with the slow-witted groove on the electronic card in the card slot of insulator, be equipped with the fixed slot on the barricade that the insulator is located card slot both sides, still be equipped with the slow-witted setting element, slow-witted setting element includes protection piece and fixed portion, protection piece and fixed location of fixed portion, the fixed portion of slow-witted setting element can be stopped inserts in the fixed slot of insulator, and the protection piece of slow-witted setting element holds in the card slot, and the protection piece of slow-witted setting element shelters from in the both sides wall surface of slow-witted portion along card slot extending direction.
As a further improvement of the invention, at least one group of concave-convex structure is respectively formed on two opposite side walls of the holding part of the foolproof positioning piece, and the convex part of the concave-convex structure is embedded and positioned with the inner side wall of the holding groove on the insulating body.
As a further improvement of the invention, the convex part of the concave-convex structure on the side wall of the holding part of the foolproof positioning piece is of an inverted buckle structure.
As a further improvement of the invention, the holding groove on the insulating body is a multi-stage step groove with gradually reduced width from the opening end to the bottom surface, and the holding part of the fool-proof positioning piece forms a trapezoid structure matched with the holding groove.
As a further improvement of the invention, concave protection piece limiting grooves are respectively formed on two sides of the retaining wall of the insulating body along the extending direction of the inserting and clamping groove, the width of the protection piece of the fool-proof positioning piece is larger than that of the inserting and clamping groove, two ends of the protection piece of the fool-proof positioning piece in the width direction are respectively inserted into the protection piece limiting grooves on the side wall of the retaining wall of the insulating body, and the protection piece of the fool-proof positioning piece is stopped on the side wall of the protection piece limiting groove along the extending direction of the inserting and clamping groove.
As a further improvement of the invention, the fool-proof positioning piece further comprises a main body connecting part, wherein the two fixing parts are integrally formed at two ends of the main body connecting part in the length direction, and the two protection sheets are integrally formed at two sides of the main body connecting part in the width direction.
As a further improvement of the invention, the fool-proof positioning piece is of a sheet metal stamping and bending integrated structure.
As a further improvement of the invention, an L-shaped reinforcing rib structure is formed at the bending part of the connecting part of the fixing part and the main body.
As a further improvement of the invention, one end of the fool-proof part on the insulating body, which faces the opening direction of the card inserting groove, forms a trapezoid structure with reduced thickness, the protection piece of the fool-proof positioning piece and the main body connecting part form a U-shaped structure with the opening size larger than the bottom size, and the U-shaped structure is matched with the fool-proof part on the insulating body in appearance.
As a further improvement of the invention, the retaining walls of the insulating body, which are positioned at the two sides of the inserting and clamping groove, are provided with the avoiding and sinking groove structure, the holding groove is positioned on the bottom surface of the avoiding and sinking groove structure, and the fool-proof positioning piece can be accommodated in the avoiding and sinking groove structure.
The beneficial technical effects of the invention are as follows: the fool-proof locating piece is spliced and clamped with the retaining grooves on the retaining walls of the two sides of the inserting and clamping groove through the retaining part, so that the design of reducing meat on the periphery of the insulating body is avoided, the weakening of the strength of the insulating body is avoided, the strength of the insulating body is ensured, the insulating body and the fool-proof part on the insulating body are prevented from being damaged when a user inserts and pulls out the electronic card, and the service life of the card edge connector is effectively prolonged.
Drawings
FIG. 1 is an exploded view of a first construction principle of the prior art;
FIG. 2 is an exploded view of a second construction principle of the prior art;
FIG. 3 is an exploded perspective view of a card edge connector incorporating the present invention;
FIG. 4 is an exploded view of the fool-proof retainer and the insulator according to the present invention;
FIG. 5 is a perspective view showing an assembled state of the fool-proof positioning member and the insulating body according to the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a cross-sectional view taken along B-B in FIG. 5;
fig. 8 is a perspective view of an insulation body according to the present invention;
FIG. 9 is a first perspective view of the fool-proof retainer of the present invention;
FIG. 10 is a second perspective view of the fool-proof retainer of the present invention;
FIG. 11 is a front view of the fool-proof retainer of the present invention;
FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;
FIG. 13 is a top view of the fool-proof retainer of the present invention;
FIG. 14 is a bottom view of the fool-proof retainer of the present invention;
FIG. 15 is a left side view of the fool-proof retainer of the present invention;
FIG. 16 is a right side view of the fool-proof retainer of the present invention;
FIG. 17 is a perspective view of an electronic card inserted with a card edge connector according to the present invention;
FIG. 18 is a cross-sectional view of an assembled card edge connector and an electronic card according to the present invention;
fig. 19 is an enlarged view of a portion D in fig. 18.
Card edge connector-1 insulation body-11 terminal-12
Movable locking piece-13 fixed locking piece-14 fool-proof positioning piece-15
Locking spring piece-16 first auxiliary piece-18
The second auxiliary piece-17 is used for fixing the locking auxiliary piece-19 is inserted into the clamping groove-111
Movable tower-112 fixed tower-113 splicing face-114
Electronic card-2 fool-proof slot-21 circuit board-3
The meat reducing groove-4 is provided with a fixing foot-5 extension part-6
The fixing part-7 is buckled with the holding groove-8 is a horizontal part-151
Protection sheet-152 protection sheet first stop surface-1521
Second stop surface of protection plate-1522 guiding inclined surface-1523
First holding portion-153 first holding portion main projection portion-1531
First retainer sub-boss-1532 first retainer stiffener-1533
Second holding portion-154 second holding portion main projection portion-1541
Second retainer sub-boss-1542 second retainer stiffener-1543
Main body connecting portion-155 key-buckling portion-156
Fool-proof part-115
First holding groove-1151 second holding groove-1152
Limit groove of protective sheet-1153 limit surface of protective sheet-1154
Avoid sink structure-1155
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure, by describing embodiments of the present invention with reference to specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof.
Examples: the utility model provides a card edge connector prevents slow-witted additional strengthening, includes insulator 11, be formed with the card slot 111 that is used for inserting to establish electronic card 2 on the insulator 11, be equipped with in the card slot 111 of insulator 11 with the slow-witted portion 115 that prevents in the card slot 21 matees on the electronic card 2, be equipped with the holding tank on the barricade that insulator 11 is located the card slot 111 both sides, still be equipped with prevent slow-witted setting element 15, prevent slow-witted setting element 15 includes protection piece 152 and holding portion, protection piece 152 and holding portion fixed location, prevent slow-witted setting element 15's holding portion can the stop insert locate in insulator 11's the holding tank, prevent slow-witted setting element 15's protection piece 152 holds in card slot 111, and prevent slow-witted setting element 15's protection piece 152 shelters from in prevent slow-witted portion 115 along the both sides wall surface of card slot 111 extending direction.
The fool-proof locating piece 15 is arranged on the insulating body 11 of the card edge connector and is used for protecting the fool-proof part 115 made of plastic materials on the insulating body 11, the fool-proof locating piece 15 is fixedly connected with the retaining groove on the retaining wall of the insulating body 11 through the retaining part to realize locating, the two protection sheets 152 on the fool-proof locating piece 15 are respectively coated on the two sides of the fool-proof part 115 of the insulating body 11 to protect the fool-proof part, when a user inserts and withdraws the electronic card 2, no matter how the electronic card 2 is inserted and withdrawn, the tip part of the inner wall of the fool-proof groove 21 of the electronic card 2 can not scrape the fool-proof part 115 on the insulating body 11, the protection sheet 152 of the fool-proof locating piece 15 is made of metal materials, the strength is high, and long-term scraping can not be damaged, the above structure avoids the design of reducing the meat on the periphery of the insulating body 11, ensures the strength of the insulating body 11, ensures that the insulating body is not damaged no matter what method the user operates in the inserting and pulling process of the electronic card 2, prolongs the service life of the card edge connector, and the holding grooves on the insulating body 11 are preferably a first holding groove 1151 and a second holding groove 1152 symmetrically distributed on two sides of the inserting and pulling groove 111, the holding parts of the corresponding fool-proof positioning piece 15 are a first holding part 153 and a second holding part 154 symmetrically arranged at two ends of the protecting piece 152, and the first holding part 153 and the second holding part 154 are respectively and correspondingly inserted into the first holding groove 1151 and the second holding groove 1152, so that symmetrical positioning is realized, and the positioning is firm and stable.
At least one group of concave-convex structure is formed on two opposite side walls of the holding part of the fool-proof positioning piece 15, and the convex part of the concave-convex structure is embedded and positioned with the inner side wall of the holding groove on the insulating body 11. When the fixing part of the fool-proof locating piece 15 is inserted into the fixing groove on the baffle wall of the insulating body 11, the protruding structures on the two side walls of the fixing part of the fool-proof locating piece 15 interfere with the two opposite side walls of the fixing groove to form an embedded connection structure, the inner side wall of the fixing groove is extruded and deformed by the protruding parts on the side wall of the fixing part of the fool-proof locating piece 15, and the deformed material is filled into the concave part of the concave-convex structure, so that the fixing part of the fool-proof locating piece 15 and the side wall of the fixing groove of the insulating body 11 form a firm embedded locating structure, and the embedded connection structure cannot be separated after long-term use.
The convex part of the concave-convex structure on the side wall of the fixing part of the fool-proof positioning piece 15 is in an inverted buckle structure. Through the back-off structural design, the fixing part of the fool-proof locating piece 15 can be smoothly inserted into the fixing groove of the insulating body 11, and can not be pulled out after being inserted under the action of the back-off structural design, so that the installation stability of the fool-proof locating piece 15 in the fixing groove of the insulating body 11 is greatly improved.
The holding groove on the insulating body 11 is a multi-stage step groove with gradually reduced width from the opening end to the bottom surface, and the holding part of the fool-proof positioning piece 15 forms a trapezoid structure matched with the holding groove. The structure enables the fixing portion of the foolproof positioning piece 15 to be quickly inserted into the fixing groove of the insulating body 11, two or more groups of concave-convex structures can be formed on two side walls of the fixing portion, the fixing portion is embedded and positioned with the side walls of the fixing groove through a plurality of inverted buckle structures, the positioning is more firm, for example, two groups of concave-convex structures are formed on two opposite side walls of the first fixing portion 153 at intervals, namely, a first fixing portion main protruding portion 1531 with larger protruding size and a first fixing portion auxiliary protruding portion 1532 with smaller protruding size are formed, two groups of concave-convex structures are formed on two opposite side walls of the second fixing portion 154 at intervals, namely, a second fixing portion main protruding portion 1541 with larger protruding size and a second fixing portion auxiliary protruding portion 1542 with smaller protruding size are formed, the side walls of the first fixing portion main protruding portion 1531 and the second fixing groove 1541 are mainly clamped and connected, and the side walls of the first fixing groove 1151 and the second fixing groove 1152 are more firmly connected through the first fixing portion auxiliary protruding portion 1531 and the second fixing portion auxiliary protruding portion 1542 and the second fixing groove 1152.
The retaining wall of the insulation body 11 is located at the fool-proof portion 115, concave protection sheet 152 limiting grooves are formed on two sides of the fool-proof portion 115 along the extending direction of the card inserting groove 111, the width of the protection sheet 152 of the fool-proof positioning piece 15 is larger than that of the card inserting groove 111, two ends of the protection sheet 152 of the fool-proof positioning piece 15 in the width direction are respectively inserted into the protection sheet 152 limiting grooves on the retaining wall side wall of the insulation body 11, and the protection sheet 152 of the fool-proof positioning piece 15 is stopped on the side wall of the protection sheet 152 limiting grooves along the extending direction of the card inserting groove 111. After the fool-proof positioning piece 15 is assembled on the insulating body 11, two ends of the retaining piece are just inserted into the limiting grooves of the protective piece 152 on two side walls of the inserting and clamping groove 111 of the insulating body 11, the limiting grooves of the protective piece 152 play a role in limiting the protective piece 152, so that the protective piece 152 is prevented from being stressed and tilted in the card pulling process of the electronic card 2, and chamfer faces are formed on two side walls, facing to one end of the opening direction of the inserting and clamping groove 111, of the limiting grooves of the protective piece 152, so that the insertion of the protective piece 152 is guided.
The fool-proof positioning member 15 further comprises a main body connecting portion 155, two holding portions integrally formed at two ends of the main body connecting portion 155 in the length direction, and two protecting pieces 152 integrally formed at two sides of the main body connecting portion 155 in the width direction. The main body connecting portion 155 achieves connection positioning of the fixing portion and the protection sheet 152, meanwhile, shielding and protection are achieved on the upper end surface of the fool-proof portion 115 of the insulating body 11, the main body connecting portion 155 can form an I-shaped structure with two ends being wider than the middle width, two ends of the I-shaped structure are aligned and connected with the fixing portion through the horizontal portion 151 with the wider width, the width of the fixing portion is increased, strength of the fixing portion is improved, a portion with the smaller middle width corresponds to the fool-proof portion 115 on the insulating body 11, and a portion with the smaller middle width of the main body connecting portion 155 and the protection sheet 152 form a key buckle portion 156 for fully wrapping and protecting the fool-proof portion 115.
The fool-proof positioning piece 15 is of a sheet metal stamping and bending integrated structure. The sheet metal integrated into one piece structural strength is high, and toughness is good, low in production cost, and production efficiency is high, also can adopt other modes to process the preparation in addition.
An L-shaped reinforcing rib structure is formed at the bending position of the fixing part and the main body connecting part 155. The horizontal portion 151 at one end of the first holding portion 153 and the main body connecting portion 155 is formed with an L-shaped first reinforcing rib, the horizontal portion 151 at the other end of the second holding portion 154 and the main body connecting portion 155 is formed with an L-shaped second reinforcing rib, and the first reinforcing rib and the second reinforcing rib can improve the strength of the first holding portion 153 and the second holding portion 154, prevent the first holding portion 153 and the second holding portion 154 from being deformed under force, and ensure the firm positioning of the first holding portion 153 and the second holding portion 154 in the first holding groove 1151 and the second holding groove 1152.
The fool-proof portion 115 on the insulating body 11 forms a trapezoid structure with a reduced thickness toward one end of the opening direction of the card inserting slot 111, and the protection sheet 152 of the fool-proof positioning member 15 and the main body connecting portion 155 form a U-shaped structure with an opening size larger than the bottom size, and the U-shaped structure is matched with the appearance of the fool-proof portion 115 on the insulating body 11. The fool-proof part 115 of the insulating body 11 is formed into a trapezoid structure with reduced thickness, the edge of the upper end of the optimal trapezoid structure is formed into a round angle, so that the whole fool-proof part 115 and the fool-proof locating piece 15 wrapped outside the whole fool-proof part are formed into a structure with contracted upper end size, the electronic card 2 can be conveniently inserted and pulled out to be guided, interference is reduced, the fool-proof part 115 of the insulating body 11 forms a protective sheet 152 limiting surface with vertical lower end and inclined upper end along the two side surfaces of the extending direction of the inserting and clamping groove 111, the protective sheet 152 keeps a bonding limiting state with the protective sheet 152, an inclined protective sheet first blocking surface 1521 and a vertical protective sheet second blocking surface 1522 are formed on the side wall of the corresponding protective sheet 152U-shaped structure, the protective sheet first blocking surface 1521 and the protective sheet second blocking surface 1522 are matched with the fool-proof groove 21 of the electronic card 2, the protective sheet first blocking surface 1521 forms an inclined surface structure can be guided to the side wall of the fool-proof groove 21 on the electronic card 2 when the electronic card 2 is inserted and pulled out, the protective sheet first blocking surface 152is optimally separated from the free end edge forming a bending edge of the insulating body to be guided into the inclined surface 3 when the protective sheet 152 is assembled with the insulating body, and the side wall 115 is prevented from being interfered with the side wall of the insulating body.
The retaining walls of the insulating body 11 at two sides of the card inserting slot 111 are formed with an avoiding sink slot structure 1155, the holding slot is located on the bottom surface of the avoiding sink slot structure 1155, and the fool-proof positioning member 15 can be accommodated in the avoiding sink slot structure 1155. The structure realizes the hidden positioning of the fool-proof positioning piece 15 on the insulating body 11, can not interfere with electronic components, and forms chamfer surfaces on two side walls of the opening of the sink structure 1155 for facilitating smooth assembly of the fool-proof positioning piece 15.
The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principles of the present invention, and it should be considered as being within the scope of the present invention.
Claims (6)
1. The utility model provides a card edge connector prevents slow-witted additional strengthening, includes insulator, be formed with the card slot that is used for inserting the electronic card on the insulator, be equipped with on insulator's the card slot with the electronic card prevent slow-witted portion of preventing that the slow-witted groove matches, its characterized in that: the retaining wall of the insulating body on two sides of the inserting slot is provided with a retaining groove, the periphery of the insulating body is not provided with a meat reducing design, the retaining wall is also provided with a foolproof positioning piece, the foolproof positioning piece comprises a protecting piece and a retaining part, the protecting piece and the retaining part are fixedly positioned, the retaining part of the foolproof positioning piece can be stopped and inserted into the retaining groove of the insulating body, the protecting piece of the foolproof positioning piece is accommodated in the inserting slot, the protecting pieces of the foolproof positioning piece are shielded on two side wall surfaces of the foolproof part along the extending direction of the inserting slot, at least one group of concave-convex structures are respectively formed on two opposite side walls of the retaining part of the foolproof positioning piece, the protruding parts of the concave-convex structures are embedded and positioned on the inner side wall of the retaining slot of the insulating body, the retaining wall of the insulating body is positioned on two sides of the foolproof positioning piece along the extending direction of the inserting slot, the width of the protecting piece of the foolproof positioning piece is larger than the width of the inserting slot, the protecting piece of the foolproof positioning piece is respectively inserted into the side wall of the retaining groove in the width direction of the retaining groove, and the retaining groove of the retaining groove is gradually reduced from the side wall of the retaining groove to the retaining groove of the retaining groove, and the retaining groove is gradually reduced in the size of the retaining groove is in the shape of the retaining groove.
2. The card edge connector fool-proof reinforcing structure according to claim 1, wherein: the fool-proof positioning piece further comprises a main body connecting part, wherein the two fixing parts are integrally formed at two ends of the main body connecting part in the length direction, and the two protecting sheets are integrally formed at two sides of the main body connecting part in the width direction.
3. The card edge connector fool-proof reinforcing structure according to claim 2, wherein: the fool-proof locating piece is of a sheet metal stamping and bending integrated structure.
4. The card edge connector fool-proof reinforcing structure according to claim 3, wherein: an L-shaped reinforcing rib structure is formed at the bending position of the fixing part and the main body connecting part.
5. The card edge connector fool-proof reinforcing structure according to claim 3, wherein: the fool-proof part on the insulating body forms a trapezoid structure with reduced thickness size towards one end of the opening direction of the card inserting groove, the protection piece of the fool-proof positioning piece and the main body connecting part form a U-shaped structure with opening size larger than bottom size, and the U-shaped structure is matched with the fool-proof part on the insulating body in shape.
6. The card edge connector fool-proof reinforcing structure according to claim 2, wherein: the retaining wall of the insulating body on two sides of the inserting and clamping groove is provided with an avoiding and sinking groove structure, the retaining groove is arranged on the bottom surface of the avoiding and sinking groove structure, and the fool-proof positioning piece can be accommodated in the avoiding and sinking groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210087180.6A CN114725711B (en) | 2022-01-25 | 2022-01-25 | Fool-proof reinforcing structure of card edge connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210087180.6A CN114725711B (en) | 2022-01-25 | 2022-01-25 | Fool-proof reinforcing structure of card edge connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114725711A CN114725711A (en) | 2022-07-08 |
| CN114725711B true CN114725711B (en) | 2024-04-19 |
Family
ID=82235916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210087180.6A Active CN114725711B (en) | 2022-01-25 | 2022-01-25 | Fool-proof reinforcing structure of card edge connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114725711B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205429312U (en) * | 2015-12-23 | 2016-08-03 | 番禺得意精密电子工业有限公司 | Connector |
| CN206004085U (en) * | 2016-08-04 | 2017-03-08 | 富誉电子科技（淮安）有限公司 | Bayonet connector |
| CN208767502U (en) * | 2018-09-13 | 2019-04-19 | 苏州荣基精密电子有限公司 | A kind of DP connector construction for reinforcing mechanical performance combination |
| CN209709219U (en) * | 2019-04-12 | 2019-11-29 | 富士康(昆山)电脑接插件有限公司 | Bayonet connector |
-
2022
- 2022-01-25 CN CN202210087180.6A patent/CN114725711B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205429312U (en) * | 2015-12-23 | 2016-08-03 | 番禺得意精密电子工业有限公司 | Connector |
| CN206004085U (en) * | 2016-08-04 | 2017-03-08 | 富誉电子科技（淮安）有限公司 | Bayonet connector |
| CN208767502U (en) * | 2018-09-13 | 2019-04-19 | 苏州荣基精密电子有限公司 | A kind of DP connector construction for reinforcing mechanical performance combination |
| CN209709219U (en) * | 2019-04-12 | 2019-11-29 | 富士康(昆山)电脑接插件有限公司 | Bayonet connector |
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| Publication number | Publication date |
|---|---|
| CN114725711A (en) | 2022-07-08 |
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