CN109119794B - Front-lifting type double-contact connector - Google Patents
Front-lifting type double-contact connector Download PDFInfo
- Publication number
- CN109119794B CN109119794B CN201811019448.2A CN201811019448A CN109119794B CN 109119794 B CN109119794 B CN 109119794B CN 201811019448 A CN201811019448 A CN 201811019448A CN 109119794 B CN109119794 B CN 109119794B
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- elastic arm
- terminal
- flat cable
- limiting
- grounding
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- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 24
- 230000037431 insertion Effects 0.000 claims description 24
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 12
- 238000004804 winding Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
- H01R13/502—Bases; Cases composed of different pieces
-
- 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
- H01R13/627—Snap or like fastening
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
The invention relates to a front-lifting type double-contact connector, wherein a conductive terminal array is arranged on an insulating seat, a lifting cover is rotatably arranged in a cover plate groove of the insulating seat, a grounding terminal is fixed at two ends of the insulating seat, one end of the conductive terminal is provided with a welding pin, the other end of the conductive terminal is provided with an upper elastic arm and a lower elastic arm, and the upper elastic arm and the lower elastic arm are respectively provided with an upper conductive contact and a lower conductive contact; the limiting hook at the end part of the upper elastic arm is movably inserted into the terminal groove of the lifting cover and is pressed above the limiting shaft, and the limiting hook is used for limiting the rotating shaft of the lifting cover in the rotating groove; the compression boss on the rotating shaft is used for compressing the FFC flat cable on the lower conductive terminal; the intersection of the cover plate groove and the flat cable slot is used as a fulcrum, and the limiting shaft and the fulcrum are used for pressing the upper conductive contact on the upper elastic arm to the FFC flat cable. The connector has the advantages of simple structure, convenient opening of the lifting cover, labor saving and rapidness in inserting the FFC flat cable, capability of tightly pressing the FFC flat cable from the front side and the back side of the FFC flat cable, good contact and difficult falling of the FFC flat cable.
Description
Technical Field
The invention relates to a connector, in particular to a front-lifting type double-contact connector.
Background
The FFC/FPC winding displacement is connected with the circuit board through the FFC connector, namely the FFC winding displacement is connected with the FFC connector for assembly, the FFC connector comprises a base and a cover plate, contact terminals are arranged in the base, and the cover plate is clamped on the base. When the FFC connector is assembled, the cover plate is detached from the base of the FFC connector, then the FFC flat cable is inserted into the contact terminal in the FFC connector, and then the FFC flat cable is pressed on the base through the cover plate. Most FFC connectors adopt a horizontal structure, so that inconvenience is brought to plugging operation, and the FFC connector is unreasonable in structural design, complex in structure and inconvenient to use. The FFC flat cable is inserted with a certain force and skill, and is kept vertical to the base when being inserted, the FFC flat cable is low in assembly efficiency and reliability, and the FFC flat cable is easy to loose due to poor contact.
There are generally two types of cover plates at the insertion end and cover plates away from the insertion end. The FPC/FFC connector with the cover plate at the insertion end can only be used with the contact surface downward, the installation requirement is high, and the FPC/FFC flat cable cannot be inserted in the wrong direction. And the connector of the cover plate far away from the insertion end is inconvenient in insertion because the wiring groove is smaller and the FPC/FFC wiring needs to be aligned with the wiring groove to be accurately inserted.
Disclosure of Invention
In order to solve the problems, the invention provides a front-lifting type double-contact connector which has simple structure, convenient opening of a lifting cover, labor saving and quick insertion of an FFC (flexible flat cable), can press the FFC flat cable from the front side and the back side of the FFC flat cable, has good contact between the connector and the FFC flat cable and is not easy to fall off, and the specific technical scheme is as follows:
the front lifting type double-contact connector comprises an insulating seat, a lifting cover, a conductive terminal and a grounding terminal, wherein a wire arrangement slot and a grounding slot are formed in the front end face of the insulating seat, the grounding slot is positioned at two ends of the insulating seat, the grounding terminal is inserted in the grounding slot, a plurality of terminal slots are arranged on the rear end face array of the insulating seat, the terminal slots are communicated with the wire arrangement slot, the conductive terminal is inserted in the terminal slots, a conductive contact of the conductive terminal is positioned in the wire arrangement slot, a cover plate slot is formed in the top of the insulating seat, and the lifting cover is rotatably installed in the cover plate slot; the cover plate groove penetrates through the front end face of the insulating seat, and the cover plate groove is communicated with the flat cable slot; one end of the conductive terminal is provided with a welding pin, the other end of the conductive terminal is provided with an upper elastic arm and a lower elastic arm, the upper elastic arm and the lower elastic arm are respectively positioned at the top and the bottom of the conductive terminal, an upper conductive contact is arranged on the upper elastic arm, the lower elastic arm is obliquely arranged, a lower conductive contact is arranged on the lower elastic arm, and an FFC flat cable is positioned between the upper conductive contact and the lower conductive contact; the end part of the upper elastic arm is also provided with a limiting hook, and the limiting hook is positioned in the cover plate groove; the lifting cover is characterized in that a rotating shaft is arranged on one side of the lifting cover and is positioned at the top of the lifting cover, a plurality of terminal grooves are formed in the rotating shaft in an array manner, limiting shafts are arranged in the terminal grooves and coaxial with the rotating shaft, two ends of the rotating shaft are rotatably arranged in rotating grooves on two sides of the cover plate groove, limiting hooks are movably inserted in the terminal grooves and are pressed above the limiting shafts, and the limiting hooks are used for limiting the rotating shaft of the lifting cover in the rotating grooves; a pressing boss is further arranged on the rotating shaft and is positioned at the bottom of the lifting cover, and the pressing boss is used for pressing the FFC flat cable on the lower conductive terminal; the intersection of the cover plate groove and the flat cable slot is used as a fulcrum, and the limiting shaft and the fulcrum are used for pressing the upper conductive contact on the upper elastic arm to the FFC flat cable.
Through adopting above-mentioned technical scheme, lower elastic arm slope setting makes lower conductive contact have great deformation space, can make things convenient for FFC winding displacement to insert.
When the flip cover is opened, the upper elastic arm is restored to an initial state, the distance between the upper conductive contact and the lower conductive contact is larger than the thickness of the insertion end of the FFC flat cable, the FFC flat cable is convenient to insert, after the FFC flat cable is inserted, the flip cover is pressed down, the pressing boss on the flip cover presses the FFC flat cable on the lower conductive contact of the lower elastic arm, meanwhile, the limiting hook of the upper elastic arm is pushed upwards by the limiting shaft, one side of the upper elastic arm is pressed at a fulcrum formed by intersecting the cover plate groove and the flat cable slot, the limiting hook and the fulcrum form lever force, the middle part of the upper elastic arm deforms towards the FFC flat cable, the upper conductive contact is pressed on the FFC flat cable, the upper conductive contact and the lower conductive contact are respectively pressed on the front surface and the back surface of the FFC flat cable, the single-sided FFC flat cable can be normally used regardless of positive insertion or negative insertion, and good contact can be kept between the front surface and the back surface of the FFC flat cable. The FFC flat cable is jointly compressed by the upper elastic arm and the lower elastic arm, so that the compression force is reliable and the FFC flat cable is not easy to loose.
Preferably, the upper elastic arm is an arc arm.
Through adopting above-mentioned technical scheme, go up the elastic arm and have great deformation space for the arc arm to can provide better clamp force, make simultaneously that the elastic arm warp convenience.
Preferably, the upper elastic arm is further provided with a pressing elastic arm, an elastic groove is formed between the pressing elastic arm and the upper elastic arm, the pressing elastic arm and the upper elastic arm form a U shape, and the upper conductive contact is located at the end part of the pressing elastic arm.
Through adopting above-mentioned technical scheme, compress tightly the elastic arm and can improve great deformation space, can be suitable for the FFC winding displacement of different thickness.
Preferably, the upper conductive contacts and the lower conductive contacts are arranged in a staggered mode, the upper conductive contacts are located at the bottom of the wire arrangement slot, and the lower conductive contacts are located at the end portions, far away from the welding pins, of the lower elastic arms.
Through adopting above-mentioned technical scheme, the upper conductive contact and the lower conductive contact of crisscross setting around avoid damaging FFC winding displacement, can improve great clamp force simultaneously, prevent that FFC winding displacement from droing.
Preferably, the tops of the upper conductive contact and the lower conductive contact are arc surfaces.
By adopting the technical scheme, the arc surface reduces the insertion force of the FFC flat cable, facilitates the insertion of the FFC flat cable, and simultaneously can protect the FFC flat cable and avoid the conductive contact from scratching the FFC flat cable.
Preferably, the end part of the lower elastic arm is provided with an insertion inclined plane, and the insertion inclined plane is tangent to the arc surface of the lower conductive contact.
By adopting the technical scheme, the FFC flat cable can be guided by the insertion inclined plane, so that the FFC flat cable is convenient to insert.
Preferably, limit tables are arranged on two sides of the bottom of the cover plate groove, and the limit tables are matched with limit blocks on two sides of the FFC flat cable inserting end.
Through adopting above-mentioned technical scheme, the stopper cooperation of limit station and FFC winding displacement can be with FFC winding displacement limited in the winding displacement slot, prevents that FFC winding displacement from droing.
Preferably, the rotating shaft is provided with positioning bosses, the positioning bosses are positioned at two ends of the rotating shaft, and the positioning bosses are used for limiting the position of the lifting cover when the lifting cover is pressed or opened.
Through adopting above-mentioned technical scheme, when lifting the lid and compressing tightly FFC winding displacement on lower conductive contact, spacing axle atress makes to lift the lid have the trend of opening, and the location boss prevents to lift the lid and opens, prescribes a limit to the position of lifting the lid.
When the cover is opened, the positioning boss prevents the cover from being closed, so that the cover is kept in an open state, and the FFC flat cable is convenient to insert.
Preferably, the grounding terminal is provided with a limiting rod, a fixing rod and a grounding pin, the limiting rod is positioned at one end of the grounding terminal and at the bottom of the grounding terminal, the fixing rod is positioned at the end part of the limiting rod, the fixing rod is provided with a grounding fixing hook, a grounding slot is formed in the fixing hook, and the fixing rod is positioned at the bottom of the rotating slot; the grounding pin is perpendicular to the grounding terminal and is positioned at the bottom of the other end of the grounding terminal; the grounding terminal is also provided with a fixing groove which is matched with the positioning blocks at the two ends of the lifting cover.
Through adopting above-mentioned technical scheme, the gag lever post is used for supporting the axis of rotation, avoids the axis of rotation to rotate on insulating seat, and the gag lever post is metal material, and the wearability is good, and intensity is high, can prolong insulating seat's life, prevents to rotate the groove and warp the position that leads to lifting the lid and issue the change, influences the compressive force of last conductive contact and lower conductive contact and FFC winding displacement.
The fixed groove and the positioning block enable the lifting cover to keep a state of pressing the FFC flat cable.
Preferably, the pressing boss is located at the edge of one side of the bottom of the lifting cover, the limiting shaft is far away from one side of the pressing boss, and the limiting shaft is eccentrically arranged relative to the pressing boss.
Through adopting above-mentioned technical scheme, spacing axle can be with effectively preventing to lift the lid and bullet open for compressing tightly boss eccentric arrangement.
Compared with the prior art, the invention has the following beneficial effects:
the front-lifting type double-contact connector provided by the invention has the advantages of simple structure, convenience in opening the lifting cover, labor saving and rapidness in inserting the FFC flat cable, capability of tightly pressing the FFC flat cable from the front side and the back side of the FFC flat cable, good contact between the connector and the FFC flat cable and difficulty in falling off of the FFC flat cable.
Drawings
Fig. 1 is a schematic view of a front-lift dual-contact connector in a lift-open state;
FIG. 2 is a schematic cross-sectional view of a front-lift dual contact connector with FFC flat cables compressed;
fig. 3 is a schematic cross-sectional view of the front-lift type double-contact connector in the open state;
FIG. 4 is a schematic view of the structure of an insulating base;
fig. 5 is a schematic structural view of a conductive terminal;
FIG. 6 is a partially enlarged schematic view of the flip cover;
fig. 7 is a schematic view of the structure of the ground terminal.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 7, the front-lift type double-contact connector comprises an insulating base 1, a lifting cover 3, conductive terminals 2 and a grounding terminal 4, wherein a flat cable slot 13 and a grounding slot 14 are arranged on the front end face of the insulating base 1, the grounding slot 14 is positioned at two ends of the insulating base 1, the grounding terminal 4 is inserted into the grounding slot 14, a plurality of terminal slots 11 are arranged on the rear end face array of the insulating base 1, the terminal slots 11 are communicated with the flat cable slot 13, the conductive terminals 2 are inserted into the terminal slots 11, the conductive contacts of the conductive terminals 2 are positioned in the flat cable slot 13, a cover plate slot 12 is arranged at the top of the insulating base 1, and the lifting cover 3 is rotatably arranged in the cover plate slot 12.
As shown in fig. 1 to 4, the cover plate groove 12 passes through the front end surface of the insulating base 1, and the cover plate groove 12 is communicated with the flat cable slot 13, two sides of the bottom of the cover plate groove 12 are provided with limiting tables 15, and the limiting tables 15 are matched with limiting blocks 51 at two sides of the insertion end of the FFC flat cable 5. The limiting table 15 cooperates with the limiting block 51 of the FFC flat cable 5 to limit the FFC flat cable 5 in the flat cable slot 13, thereby preventing the FFC flat cable 5 from falling off.
As shown in fig. 5, a welding pin 24 is disposed at one end of the conductive terminal 2, an upper elastic arm 25 and a lower elastic arm 21 are disposed at the other end of the conductive terminal, the upper elastic arm 25 and the lower elastic arm 21 are respectively located at the top and bottom of the conductive terminal 2, the upper elastic arm 25 is an arc-shaped arm, an upper conductive contact 28 is disposed on the upper elastic arm 25, the lower elastic arm 21 is obliquely disposed, a lower conductive contact 22 is disposed on the lower elastic arm 21, the tops of the upper conductive contact 28 and the lower conductive contact 22 are arc-shaped surfaces, an insertion inclined surface 23 is disposed at the end of the lower elastic arm 21, the insertion inclined surface 23 is tangent to the arc-shaped surface of the lower conductive contact 22, the insertion force of the FFC flat cable 5 is reduced by the arc-shaped surfaces, the FFC flat cable 5 is convenient to insert, and meanwhile, the FFC flat cable 5 is protected from being scratched by the conductive contacts. The insertion slope 23 can guide the FFC flat cable 5, facilitating insertion of the FFC flat cable 5.
The upper conductive contacts 28 and the lower conductive contacts 22 are arranged in a staggered mode, the upper conductive contacts 28 are positioned at the bottom of the wire arrangement slot 13, the lower conductive contacts 22 are positioned at the end parts of the lower elastic arms 21, which are far away from the welding pins 24, and the FFC wire arrangement 5 is positioned between the upper conductive contacts 28 and the lower conductive contacts 22; the upper conductive contacts 28 and the lower conductive contacts 22 which are arranged in a staggered manner are prevented from damaging the FFC flat cable 5, and simultaneously, the larger pressing force can be improved to prevent the FFC flat cable 5 from falling off.
The conductive terminal 2 is provided with a conductive fixing hook 20, and the conductive fixing hook 20 is inserted into the terminal slot 11.
The upper elastic arm 25 has a larger deformation space for the arc-shaped arm, and can provide a better pressing force, and simultaneously, the upper elastic arm 25 is convenient to deform. The lower elastic arm 21 is obliquely arranged, so that the lower conductive contact 22 has a larger deformation space, and the FFC flat cable 5 can be conveniently inserted.
The end of the upper elastic arm 25 is also provided with a limit hook 26, and the limit hook 26 is positioned in the cover plate groove 12.
As shown in fig. 6, a rotating shaft 31 is arranged at one side of the lifting cover 3, the rotating shaft 31 is positioned at the top of the lifting cover 3, a plurality of terminal grooves 32 are arranged on the rotating shaft 31 in an array manner, a limiting shaft 33 is arranged in each terminal groove 32, each limiting shaft 33 is coaxial with the corresponding rotating shaft 31, two ends of each rotating shaft 31 are rotatably arranged in the corresponding rotating groove 16 at two sides of the corresponding cover plate groove 12, limiting hooks 26 are movably inserted into the corresponding terminal grooves 32 and are pressed above the corresponding limiting shafts 33, and the limiting hooks 26 are used for limiting the corresponding rotating shafts 31 of the lifting cover 3 in the corresponding rotating grooves 16; the rotating shaft 31 is provided with positioning bosses 34, the positioning bosses 34 are positioned at two ends of the rotating shaft 31, and the positioning bosses 34 are used for limiting the position of the lifting cover 3 when the lifting cover 3 is pressed or opened. The positioning boss 34 prevents the cover 3 from closing on its own, so that the cover 3 is kept in an open state, and the FFC flat cable 5 is convenient to insert.
When the flip cover 3 presses the FFC flat cable 5 on the lower conductive contact 22, the limiting shaft 33 is stressed, so that the flip cover 3 has a tendency to open, and the positioning boss 34 prevents the flip cover 3 from opening, so as to limit the position of the flip cover 3.
The rotating shaft 31 is also provided with a pressing boss 36, the pressing boss 36 is positioned at the bottom of the lifting cover 3, and the pressing boss 36 is used for pressing the FFC flat cable 5 on the lower conductive terminal 2; the pressing boss 36 is located at the edge of the bottom of the lifting cover 3, the limiting shaft 33 is located at one side of the pressing boss 36, and the limiting shaft 33 is eccentrically arranged relative to the pressing boss 36. The eccentric arrangement of the limiting shaft 33 relative to the pressing boss 36 can effectively prevent the flip cover 3 from being sprung open.
The intersection of the cover slot 12 and the flat cable slot 13 is a fulcrum 18, and the limiting shaft 33 and the fulcrum 18 are used for pressing the upper conductive contact 28 on the upper elastic arm 25 toward the FFC flat cable 5.
As shown in fig. 7, the grounding terminal 4 is provided with a limiting rod 41, a fixing rod 42 and a grounding pin 43, the limiting rod 41 is positioned at one end of the grounding terminal 4 and at the bottom of the grounding terminal 4, the fixing rod 42 is positioned at the end part of the limiting rod 41, the fixing rod 42 is provided with a grounding fixing hook 45, the grounding fixing hook 45 is inserted into the grounding slot 14, and the fixing rod 42 is positioned at the bottom of the rotating slot 16; the grounding pin 43 is perpendicular to the grounding terminal 4 and positioned at the bottom of the other end of the grounding terminal 4; the grounding terminal 4 is also provided with a fixing groove 44, and the fixing groove 44 is matched with the positioning blocks 35 at two ends of the lifting cover 3.
The limiting rod 41 is used for supporting the rotating shaft 31, preventing the rotating shaft 31 from rotating on the insulating seat 1, the limiting rod 41 is made of metal, good in wear resistance and high in strength, the service life of the insulating seat 1 can be prolonged, and the pressing force of the upper conductive contact 28, the lower conductive contact 22 and the FFC flat cable 5 is influenced by the position release change of the lifting cover 3 caused by the deformation of the rotating groove 16.
The fixing groove 44 and the positioning block 35 keep the flip cover 3 pressed against the FFC flat cable 5.
When the flip cover 3 is opened, the upper elastic arm 25 is restored to the initial state, the distance between the upper conductive contact 28 and the lower conductive contact 22 is larger than the thickness of the insertion end of the FFC flat cable 5, the FFC flat cable 5 is convenient to insert, after the FFC flat cable 5 is inserted, the flip cover 3 is pressed down, the pressing boss 36 on the flip cover 3 presses the FFC flat cable 5 on the lower conductive contact 22 of the lower elastic arm 21, meanwhile, the limiting shaft 33 pushes the limiting hook 26 of the upper elastic arm 25 upwards, one side of the upper elastic arm 25 is pressed at the pivot 18 formed by the intersection of the cover plate groove 12 and the flat cable slot 13, the limiting hook 26 and the pivot 18 form lever force, the middle part of the upper elastic arm 25 is pressed against the FFC flat cable 5, the upper conductive contact 28 is pressed on the FFC flat cable 5, the upper conductive contact 28 and the lower conductive contact 22 are pressed on the front surface and the back surface of the FFC flat cable 5 respectively, the single-sided FFC flat cable 5 can be normally used, and the front surface and back surface of the FFC flat cable 5 can keep good contact. The FFC flat cable 5 is jointly pressed by the upper elastic arm 25 and the lower elastic arm 21, so that the pressing force is reliable and the FFC flat cable is not easy to loose.
Example two
On the basis of the first embodiment, the upper elastic arm 25 is further provided with a pressing elastic arm 27, an elastic groove 271 is provided between the pressing elastic arm 27 and the upper elastic arm 25, the pressing elastic arm 27 and the upper elastic arm 25 are in a U shape, and the upper conductive contact 28 is located at the end of the pressing elastic arm 27.
The pressing elastic arms 27 can increase a large deformation space, and can be applied to FFC flat cables 5 of different thicknesses.
Claims (7)
1. The front lifting type double-contact connector comprises an insulating base (1), a lifting cover (3), a conductive terminal (2) and a grounding terminal (4), wherein a wire arrangement slot (13) and a grounding slot (14) are formed in the front end face of the insulating base (1), the grounding slot (14) is arranged at two ends of the insulating base (1), the grounding terminal (4) is inserted into the grounding slot (14), a plurality of terminal slots (11) are formed in the rear end face array of the insulating base (1), the terminal slots (11) are communicated with the wire arrangement slot (13), the conductive terminal (2) is inserted into the terminal slots (11), the conductive contact of the conductive terminal (2) is located in the wire arrangement slot (13), a cover plate slot (12) is formed in the top of the insulating base (1), and the lifting cover (3) is rotatably arranged in the cover plate slot (12);
the device is characterized in that the cover plate groove (12) penetrates through the front end face of the insulating seat (1), and the cover plate groove (12) is communicated with the flat cable slot (13); one end of the conductive terminal (2) is provided with a welding pin (24), the other end of the conductive terminal is provided with an upper elastic arm (25) and a lower elastic arm (21), the upper elastic arm (25) and the lower elastic arm (21) are respectively positioned at the top and the bottom of the conductive terminal (2), an upper conductive contact (28) is arranged on the upper elastic arm (25), the lower elastic arm (21) is obliquely arranged, a lower conductive contact (22) is arranged on the lower elastic arm (21), and an FFC flat cable (5) is positioned between the upper conductive contact (28) and the lower conductive contact (22); the end part of the upper elastic arm (25) is also provided with a limit hook (26), and the limit hook (26) is positioned in the cover plate groove (12);
a rotating shaft (31) is arranged on one side of the lifting cover (3), the rotating shaft (31) is positioned at the top of the lifting cover (3), a plurality of terminal grooves (32) are formed in the rotating shaft (31) in an array mode, limiting shafts (33) are arranged in the terminal grooves (32), the limiting shafts (33) are coaxial with the rotating shaft (31), two ends of the rotating shaft (31) are rotatably arranged in rotating grooves (16) on two sides of the cover plate groove (12), and limiting hooks (26) are movably inserted in the terminal grooves (32) and are pressed above the limiting shafts (33) and are used for limiting the rotating shaft (31) of the lifting cover (3) in the rotating grooves (16);
a pressing boss (36) is further arranged on the rotating shaft (31), the pressing boss (36) is positioned at the bottom of the lifting cover (3), and the pressing boss (36) is used for pressing the FFC flat cable (5) on the lower conductive terminal (2);
the intersection of the cover plate groove (12) and the flat cable slot (13) is used as a fulcrum (18), and the limiting shaft (33) and the fulcrum (18) are used for pressing an upper conductive contact (28) on the upper elastic arm (25) to the FFC flat cable (5);
the upper elastic arm (25) is an arc-shaped arm;
the upper elastic arm (25) is also provided with a pressing elastic arm (27), an elastic groove (271) is formed between the pressing elastic arm (27) and the upper elastic arm (25), the pressing elastic arm (27) and the upper elastic arm (25) are U-shaped, and the upper conductive contact (28) is positioned at the end part of the pressing elastic arm (27);
the upper conductive contacts (28) and the lower conductive contacts (22) are arranged in a front-back staggered mode, the upper conductive contacts (28) are located at the bottom of the wire arrangement slot (13), and the lower conductive contacts (22) are located at the end portions, far away from the welding pins (24), of the lower elastic arms (21).
2. The front-lift dual contact connector of claim 1, wherein the tops of the upper (28) and lower (22) conductive contacts are each arcuate.
3. The front-lift type double-contact connector according to claim 2, characterized in that the end of the lower elastic arm (21) is provided with an insertion slope (23), the insertion slope (23) being tangential to the circular arc surface of the lower conductive contact (22).
4. The front-lift type double-contact connector according to claim 1, wherein limiting tables (15) are arranged on two sides of the bottom of the cover plate groove (12), and the limiting tables (15) are matched with limiting blocks (51) on two sides of the insertion end of the FFC flat cable (5).
5. The front-lift type double-contact connector according to claim 1, wherein a positioning boss (34) is provided on the rotating shaft (31), the positioning bosses (34) are located at two ends of the rotating shaft (31), and the positioning bosses (34) are used for limiting the position of the lift cover (3) when the lift cover (3) is pressed or opened.
6. The front-lift type double-contact connector according to claim 1, wherein the grounding terminal (4) is provided with a limit rod (41), a fixed rod (42) and a grounding pin (43), the limit rod (41) is positioned at one end of the grounding terminal (4) and at the bottom of the grounding terminal (4), the fixed rod (42) is positioned at the end of the limit rod (41), the fixed rod (42) is provided with a grounding fixed hook (45), the grounding fixed hook (45) is inserted into the grounding slot (14), and the fixed rod (42) is positioned at the bottom of the rotating slot (16); the grounding pin (43) is perpendicular to the grounding terminal (4) and is positioned at the bottom of the other end of the grounding terminal (4); the grounding terminal (4) is also provided with a fixing groove (44), and the fixing groove (44) is matched with the positioning blocks (35) at two ends of the lifting cover (3).
7. The front-lift type double-contact connector according to claim 1, wherein the pressing boss (36) is located at an edge of a side of the bottom of the cover (3), the limiting shaft (33) is located at a side away from the pressing boss (36), and the limiting shaft (33) is eccentrically located with respect to the pressing boss (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019448.2A CN109119794B (en) | 2018-09-03 | 2018-09-03 | Front-lifting type double-contact connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019448.2A CN109119794B (en) | 2018-09-03 | 2018-09-03 | Front-lifting type double-contact connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109119794A CN109119794A (en) | 2019-01-01 |
| CN109119794B true CN109119794B (en) | 2023-11-14 |
Family
ID=64861784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811019448.2A Active CN109119794B (en) | 2018-09-03 | 2018-09-03 | Front-lifting type double-contact connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110880652B (en) * | 2019-09-29 | 2024-07-12 | 瀚荃电子科技(苏州)有限公司 | Soft winding displacement connector |
| CN111682359B (en) * | 2020-07-17 | 2024-05-03 | 瀚荃电子科技(苏州)有限公司 | Automatic locking structure suitable for double-row-line FPC connector |
| CN111817070B (en) * | 2020-07-17 | 2024-05-03 | 瀚荃电子科技(苏州)有限公司 | Automatic locking structure suitable for FPC connector |
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| CN109119794A (en) | 2019-01-01 |
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