CN115911931A

CN115911931A - Electric connector

Info

Publication number: CN115911931A
Application number: CN202211519003.7A
Authority: CN
Inventors: 龙以彪; 王祖斌; 潘兴平
Original assignee: Dongguan Changtong Communication Science & Technology Co ltd
Current assignee: Dongguan Changtong Communication Science & Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-04

Abstract

The application relates to the technical field of circuit connection elements, in particular to an electric connector which comprises a base, wherein two ends in the width direction are respectively provided with an insertion end and a flip end; the first terminal is arranged in the base and comprises a first welding end and a first double-row connecting end which are arranged at the insertion end; the second terminal is arranged in the base, is alternately arranged with the first terminal at intervals, and comprises a second welding end arranged at the flip end and a second double-row connecting end arranged at the insertion end; the flip cover is rotatably connected to the flip cover end through the first terminal and the second terminal; the extension length of the first double-row connecting ends at the inserting end is smaller than that of the second double-row connecting ends at the inserting end, and the upper row of line teeth and the lower row of line teeth are provided with double connection contact points. The different side of soldering part sets up, and winding displacement connecting portion dislocation set just respectively sets up two double-link departments, sets up more terminals, satisfies miniaturized little spaced multiterminal and connection stability's demand.

Description

Electric connector

Technical Field

The present application relates to the field of circuit connection element technology, and more particularly, to an electrical connector.

Background

Electrical connectors are commonly used in electrical circuit nodes of electrically driven devices to facilitate connection of two electrical circuits; when in use, the electrical connector is generally electrically connected with a PCB, and then another flat cable is inserted into the electrical connector to electrically connect the flat cable and the PCB; this requires that the connector be in stable electrical contact with both the PCB board and the flex cable, respectively.

However, the electrical connector is electrically connected with the flat cable by arranging the connecting terminal made of conductive metal material, so as to realize the functions of electrical connection and signal transmission; meanwhile, the flat cable usually has a certain soft characteristic, and although the connection end can be structurally reinforced, the situation of structural deformation still exists, so that the connection between the electric connector and the flat cable is unstable; at present, in order to meet the requirement of connection stability, the volume of the connection terminal is generally increased so as to increase the contact area; however, in some special application scenarios, the volume of the electrical connector is limited, and a multi-PIN connection is required, i.e. a small multi-PIN structure is required, which requires further reduction in the volume of the connection terminal; the need for small multi-PIN and connection stability of the existing electrical connector finally arises.

Thus, the prior art is deficient and is subject to improvement and development.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present application aims to provide an electrical connector, which aims to solve the problem that the prior art electrical connector cannot meet the requirements of miniaturization, multi-PIN and connection stability.

The technical scheme adopted by the application for solving the technical problem is as follows: an electrical connector, comprising:

the device comprises a base, a connecting piece and a clamping piece, wherein two ends of the base in the width direction are respectively provided with an inserting end and a turnover cover end;

a first terminal disposed in the base, the first terminal including a first soldered end and a first double row connected end both disposed at the insertion end;

the second terminals are arranged in the base and are alternately arranged with the first terminals at intervals, and each second terminal comprises a second welding end arranged at the cover turning end and a second double-row connecting end arranged at the inserting end;

the flip cover is rotatably connected to the flip cover end through the first terminal and the second terminal;

the extension length of the first double-row connecting ends at the insertion end is smaller than that of the second double-row connecting ends at the insertion end, the first double-row connecting ends and the second double-row connecting ends are provided with upper row of wire arrangement teeth and lower row of wire arrangement teeth, and the upper row of wire arrangement teeth and the lower row of wire arrangement teeth are provided with double connection contact points.

Optionally, the base includes:

the inserting end and the flip end are respectively arranged at two ends of the base body along the width direction;

the wire arranging groove is formed at the inserting end of the base body;

the flip groove is formed at the flip end of the base body;

the vertical rib plate is arranged as a groove bottom plate shared by the flip groove and the flat cable groove;

the transmission terminal hole is formed in the vertical rib plate along the width direction, and the first terminal and the second terminal are arranged in the transmission terminal hole;

and one end of the wire arrangement groove, which is deviated from the vertical rib plate, is provided with an easy-to-insert notch, and the easy-to-insert notch is of a chamfer or fillet structure.

Optionally, the first terminal further includes:

the first welding ends and the first double-row connecting ends are arranged on one side, facing the insertion end, of the first terminal body, and the first welding ends are arranged at the lower ends of the first double-row connecting ends at intervals along the height direction;

the first flip fixing teeth are arranged on one side, facing the flip end, of the first terminal body, and are of a double-row tooth structure and used for being connected with the flip;

the first double-row connecting ends, the first terminal body and the first flip fixing teeth are arranged in an I shape.

Optionally, the second terminal further includes:

the second double-row connecting ends are arranged on one side of the second terminal body facing the inserting end;

the second flip fixing teeth are arranged on one side, facing the flip end, of the second terminal body, and are of a double-row tooth structure and used for being connected with the flip;

the second double-row connecting ends, the second terminal body and the second flip fixing teeth are arranged in an I shape, and the second welding end is arranged on the second flip fixing teeth in the height direction and located at one end deviating from the second terminal body.

Optionally, the first double-row connecting end and the second double-row connecting end are provided with a chamfer or a fillet structure at the end departing from the flip end.

Optionally, the first flip fixing teeth include first fixing teeth and second fixing teeth that are arranged at intervals from bottom to top in the height direction, the first fixing teeth are close to one end of the first terminal body, and a first groove and a first boss are sequentially arranged in the direction away from the first terminal body;

second flip fixed tooth includes third fixed tooth and the fourth fixed tooth that sets up along the direction of height from bottom to top interval, be provided with second recess, second boss and third boss on the third fixed tooth, just the second recess set up in third fixed tooth is close to the one end department of second terminal body, the second boss sets up with first recess is adjacent, the third boss set up in the second boss deviates from one side of first recess, and with the second boss interval sets up, just the height of second boss is less than the height of third boss, second welding end set up in the third fixed tooth deviates from the one end of second terminal body.

Optionally, the electrical connector further includes a first hook terminal and a second hook terminal both arranged in an i-shape, and a flat cable buckle is arranged on one side of each of the first hook terminal and the second hook terminal facing the insertion end;

the base further comprises a first clamping hook groove and a second clamping hook groove which are arranged on the vertical rib plate in the width direction, and the first clamping hook groove and the second clamping hook groove are located at two ends of the vertical rib plate;

the first hook terminal is arranged in the first hook groove, and the second hook terminal is arranged in the second hook groove.

Optionally, the electrical connector further includes a first flip connecting terminal and a second flip connecting terminal;

the base further comprises a first mounting groove and a second mounting groove which are arranged on the vertical rib plate along the width direction, and the first mounting groove and the second mounting groove are positioned at two ends of the vertical rib plate;

first flip connecting terminal set up in the first mounting groove, second flip connecting terminal set up in the second mounting groove.

Optionally, the first flip connecting terminal and the second flip connecting terminal both include a connecting terminal body, and a first limiting tooth, a limiting groove, a second limiting tooth, a flip rotating groove, and a third limiting tooth that are sequentially arranged along the width direction; the first limiting tooth is arranged on one side, close to the insertion end, of the connecting terminal body, and the third limiting tooth is arranged on one side, close to the flip end, of the connecting terminal body, wherein welding fixing parts are arranged at the bottoms of the first limiting tooth and the third limiting tooth in the height direction, and a limiting chamfer is arranged at the top of the second limiting tooth in the height direction on one side, close to the third limiting tooth; the extending heights of the first limiting tooth and the second limiting tooth in the height direction are smaller than the extending height of the third limiting tooth in the height direction;

the first limiting beam and the second limiting beam are arranged at the bottoms of the first mounting groove and the second limiting groove, the first limiting beam is contained in the limiting groove, and the second limiting beam and the flip cover are contained in the flip cover rotating groove.

Optionally, the flip cover includes:

a flip body;

the rotating shaft is arranged at one end of the flip body along the height direction, and two ends of the rotating shaft along the length direction are respectively and rotatably connected to the flip rotating grooves of the first flip connecting terminal and the second flip connecting terminal;

the terminal joint hole, terminal joint hole set up in the flip body with between the pivot, first terminal and second terminal pass through terminal joint hole joint the pivot.

Compared with the prior art, the electric connector that this application provided is through setting up first terminal and second terminal to set up the winding displacement connecting part homonymy of first terminal and second terminal, the different side of soldering part sets up, and control the extension length of first winding displacement connecting end and second winding displacement connecting end makes electric connector can set up more first terminals and second terminal, has satisfied electric connector's the many PIN demands of the little spaced of miniaturization and the demand of connection stability simultaneously.

Drawings

Fig. 1 is a schematic diagram of the mating relationship of an electrical connector, a flat cable and a PCB provided in the present application;

fig. 2 is a perspective view of an electrical connector provided herein;

fig. 3 is an exploded perspective view of an electrical connector provided herein;

fig. 4 is a schematic perspective view of an electrical connector provided in the present application in another state;

fig. 5 is a top schematic view of an electrical connector provided herein;

fig. 6 is a partial perspective view of a base of an electrical connector provided herein;

fig. 7 is a partial perspective view of another perspective of a base of an electrical connector provided herein;

fig. 8 is a side view schematic diagram of a first terminal of an electrical connector provided herein;

FIG. 9 is a schematic cross-sectional view taken along line I-I of FIG. 5 as provided herein;

fig. 10 is a side schematic view of a second terminal of an electrical connector provided herein;

FIG. 11 is a schematic cross-sectional view taken along the direction II-II of FIG. 5 as provided herein;

fig. 12 is a side view of the first or second hook terminal of the electrical connector provided herein;

FIG. 13 is a schematic cross-sectional view taken in the III-III direction of FIG. 5 as provided herein;

fig. 14 is a schematic side view of a first or second flip connecting terminal of the electrical connector provided in the present application;

FIG. 15 is a schematic cross-sectional view in the direction IV-IV of FIG. 5 as provided herein;

fig. 16 is a schematic perspective view of a flip cover of the electrical connector provided in the present application;

description of reference numerals:

1. an electrical connector; 2. a base; 3. a first terminal; 4. a second terminal; 5. a cover is turned; 6. an upper row of wire teeth; 7. a lower row of wire teeth; a. arranging wires; b. a double connection contact point; c. a PCB circuit board; 20. an insertion end; 21. a flip end; 22. a base body; 23. a wire arrangement groove; 24. a flip slot; 25. a vertical rib plate; 26. a transmission terminal hole; 271. a first hook groove; 272. a second hook groove; 281. a first mounting groove; 282. a second mounting groove; 283. a first limit beam; 284. a second limit beam; 30. a first weld end; 31. a first double row of link ends; 32. a first terminal body; 33. the first flip fixed teeth; 330. a first stationary tooth; 331. second fixed teeth; 332. a first groove; 333. a first boss; 40. a second weld end; 41. a second double row of link ends; 42. a second terminal body; 43. the second flip fixing teeth; 430. third fixed teeth; 431. fourth fixed teeth; 432. a second groove; 433. a second boss; 434. a third boss; 50. a flip body; 51. a rotating shaft; 52. a terminal clamping hole; 53. a terminal protection bump; 501. holding the chamfer angle; 81. a first hook terminal; 82. a second hook terminal; 83. arranging and buckling; 90. limiting and chamfering; 91. a first flip connection terminal; 92. a second flip connection terminal; 93. a connection terminal body; 94. a first limit tooth; 95. a limiting groove; 96. a second limit tooth; 97. a flip cover rotating slot; 98. a third limit tooth; 99. and welding the fixing part.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a number" and "a plurality" is two or more, unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 5, a first embodiment of the present application provides an electrical connector 1, which includes: a base 2, a first terminal 3, a second terminal 4 and a flip 5; two ends of the base 2 along the width direction are respectively provided with an insertion end 20 and a flip end 21, so that the base 2 is used as a supporting structure of the electrical connector 1, the first terminal 3, the second terminal 4 and the flip 5 are borne on the base 2, the flat cable a is inserted into the base 2 from the insertion end 20, and the flip 5 is assembled at the flip end 21; the first terminal 3 is arranged in the base 2, and the first terminal 3 comprises a first welding end 30 and a first double-row connecting end 31 which are arranged at the inserting end 20; it can be seen that the first soldering terminal 30 and the first dual row connecting terminal 31 are respectively connected to a circuit (PCB c), and the first dual row connecting terminal 31 is configured as a dual row dual branch structure, so as to realize simultaneous electrical connection to either or both sides of the flat cable a; the second terminals 4 are arranged in the base 2 and are alternately arranged with the first terminals 3, and the second terminals 4 comprise second welding ends 40 arranged at the cover turning ends 21 and second double-row connecting ends 41 arranged at the inserting ends 20; it can be seen that the second welding end 40 and the second dual-row connecting end 41 are respectively connected to a circuit, and the second dual-row connecting end 41 is configured as a dual-row dual-branch structure, so as to achieve simultaneous electrical connection to any one or both sides of the flat cable a; the flip cover 5 is rotatably connected to the flip cover end 21 through the first terminal 3 and the second terminal 4, and it can be known that the flip cover 5 is rotatably connected to the first terminal 3, the second terminal 4 and the base 2; the extension length of the first double-row connecting ends 31 at the insertion end 20 is smaller than that of the second double-row connecting ends 41 at the insertion end 20, so that the first double-row connecting ends 31 and the second double-row connecting ends 41 are arranged at the insertion end 20 in a front-back staggered manner along the width direction (insertion direction), the arrangement interval between the first terminals 3 and the second terminals 4 is further reduced, a structural foundation is provided for small-sized multi-PIN design, deformation and short circuit caused by simultaneous deformation when the first terminals 3 and the second terminals 4 contact the flat cable a during insertion are avoided, double-line fixation is formed after insertion, and the assembly stability is improved; meanwhile, the first double-row connecting end 31 and the second double-row connecting end 41 are both provided with an upper row of wire teeth 6 and a lower row of wire teeth 7, and the upper row of wire teeth 6 and the lower row of wire teeth 7 are both provided with a double-connection contact point b, so that the first double-row connecting end 31 and the second double-row connecting end 41 are both provided with two double-chain contact points and are respectively arranged on the upper row of wire teeth 6 and the lower row of wire teeth 7, and further, the connection stability can be further ensured, and finally, the electric connector 1 meets the requirements of small-size multi-PIN and connection stability.

Referring further to fig. 6 and 7 in combination, in some embodiments, the base 2 includes: a base body 22, a flat cable groove 23, a flip groove 24, a vertical rib plate 25 and a transmission terminal hole 26; the insertion end 20 and the flip end 21 are respectively arranged at two ends of the base body 22 in the width direction; the wire arranging groove 23 is formed in the insertion end 20 of the base body 22, and the wire arranging groove 23 is used for accommodating a wire arranging a; the flip groove 24 is arranged at the flip end 21 of the base body 22, and the flip groove 24 is used for accommodating the flat cable a; the vertical rib plate 25 is arranged as a groove bottom plate shared by the flip groove 24 and the flat cable groove 23; in the width direction, the two sides of the vertical rib plate 25 are respectively provided with a wire arrangement groove 23 and a flip groove 24; the transmission terminal hole 26 is opened on the vertical rib plate 25 along the width direction, and the first terminal 3 and the second terminal 4 are arranged in the transmission terminal hole 26; that is, the first terminal 3 and the second terminal 4 are inserted into the transmission terminal hole 26, and a part of the terminals are located in the wire arrangement groove 23 for connecting the wire a, and another part of the terminals are located in the flip groove 24 for rotatably connecting the flip 5; wherein, winding displacement groove 23 deviates from the one end department of erecting gusset 25 is provided with easily inserts the notch, easily insert the notch and set up to chamfer or fillet structure, through inciting somebody to action winding displacement groove 23's notch department sets up easily inserts the notch, and will easily insert the notch and set up to chamfer or fillet structure, be about the notch of winding displacement groove 23 sets up to dustpan mouth shape and the leading-in inclination design of big-angle, and then makes things convenient for winding displacement a's insert operation.

Referring further to fig. 8 and 9 in combination, in some embodiments, the first terminal 3 further includes: a first terminal body 32 and a first flip fixing tooth 33; the first welding ends 30 and the first double row connecting ends 31 are both arranged on one side of the first terminal body 32 facing the insertion end 20, and the first welding ends 30 are arranged at the lower ends of the first double row connecting ends 31 at intervals along the height direction, so that the deformation space of the lower row of winding displacement teeth 7 of the first double row connecting ends 31 is ensured, and the insertion of the winding displacement a is facilitated; the first flip cover fixing teeth 33 are disposed on a side of the first terminal body 32 facing the flip cover end 21, and the first flip cover fixing teeth 33 are disposed in a double-row tooth structure and are used for connecting the flip cover 5, so that stability of the first flip cover fixing teeth 33 connecting the flip cover 5 is effectively increased; the first double-row connecting ends 31, the first terminal body 32 and the first flip fixing teeth 33 are arranged in an h shape, so that the structural strength of the first double-row connecting ends 31, the first terminal body 32 and the first flip fixing teeth 33 is further increased, a flat cable a is conveniently inserted into the first double-row connecting ends 31, the connection stability of the first double-row connecting ends 31 and the flat cable a is guaranteed, the flip 5 is conveniently assembled in the first flip fixing teeth 33, and the connection stability of the first flip fixing teeth 33 and the flip 5 is further improved.

Referring further to fig. 10 and 11 in combination, in some embodiments, the second terminal 4 further includes: a second terminal body 42 and a second flip fixing tooth 43; the second double row connecting ends 41 are provided on the side of the second terminal body 42 facing the insertion end 20; the second flip cover fixing teeth 43 are disposed on a side of the second terminal body 42 facing the flip cover end 21, the second flip cover fixing teeth 43 are configured as a double-row tooth structure and are used for connecting the flip cover 5, so that stability of the second flip cover fixing teeth 43 in connecting the flip cover 5 is effectively increased, and the first flip cover fixing teeth 33 and the second flip cover fixing teeth 43 cooperate to fix the flip cover 5; the second double-row connecting end 41, the second terminal body 42 and the second flip fixing tooth 43 are arranged in an i-shape, and the second welding end 40 is arranged on the second flip fixing tooth 43 along the height direction and is located at an end away from the second terminal body 42; further, the structural strength of the second dual-row link end 41, the second terminal body 42 and the second flip fixing teeth 43 is further increased, the flat cable a is conveniently inserted into the second dual-row link end 41, the connection stability of the second dual-row link end 41 and the flat cable a is ensured, the flip 5 is conveniently assembled into the second flip fixing teeth 43, and the connection stability of the second flip fixing teeth 43 and the flip 5 is further improved.

In some embodiments, the ends of the first and second double-row connecting ends 31 and 41, which are away from the flap end 21, are provided with a chamfer or a fillet structure, and then the ends of the first and second double-row connecting ends 31 and 41 are provided with a large-angle introduction slope design, which is more convenient for the insertion operation of the flat cable a.

Referring further to fig. 8 to 11, in some embodiments, the first flip cover fixing teeth 33 include first fixing teeth 330 and second fixing teeth 331 spaced from each other from bottom to top in a height direction, one end of the first fixing teeth 330 near the first terminal body 32 is provided with a first groove 332 and a first projection 333, and the first groove 332 and the first projection 333 are sequentially arranged in a direction away from the first terminal body 32; it can be known that by providing the first groove 332, the deformability of the first fixing teeth 330 can be effectively improved, so that the flip 5 can be conveniently assembled in the first fixing teeth 330, and by providing the first boss 333, the flip 5 can be limited in the width direction, so as to improve the connection stability between the first flip fixing teeth 33 and the flip 5.

The second flip fixing teeth 43 include third fixing teeth 430 and fourth fixing teeth 431 arranged at intervals from bottom to top in the height direction, a second groove 432, a second projection 433 and a third projection 434 are arranged on the third fixing teeth 430, and the second groove 432 is arranged at one end of the third fixing teeth 430 close to the second terminal body 42, so that the deformability of the third fixing teeth 430 is improved, and the flip 5 is conveniently assembled in the third fixing teeth 430; the second projection 433 is disposed adjacent to the first groove 332, the third projection 434 is disposed on a side of the second projection 433 away from the first groove 332, and is spaced apart from the second projection 433, so that the flip 5 is limited between the second projection 433 and the third projection 434, the flip 5 is limited in the width direction, and the height of the second projection 433 is lower than that of the third projection 434, so that the flip 5 is prevented from being separated from the second flip fixing teeth 43 in the width direction, and the connection stability between the second flip fixing teeth 43 and the flip 5 is improved; the second welding end 40 is disposed at an end of the third fixing teeth 430 facing away from the second terminal body 42.

Referring to fig. 12 and 13, in some embodiments, the electrical connector 1 further includes a first hook terminal 81 and a second hook terminal 82, which are both disposed in an i-shape, and a flat cable buckle 83 is disposed on one side of the first hook terminal 81 and the second hook terminal 82 facing the insertion end 20, so as to effectively improve the elastic deformation capability of the first hook terminal 81 and the second hook terminal 82, facilitate the insertion and fixation of the flat cable a, and improve the fixing capability of the first hook terminal 81 and the second hook terminal 82 to the flat cable a through the flat cable buckle 83; the base 2 further comprises a first hook groove 271 and a second hook groove 272 which are arranged on the vertical rib plate 25 along the width direction, wherein the first hook groove 271 and the second hook groove 272 are located at two ends of the vertical rib plate 25, that is, the first hook terminal 81 and the second hook terminal 82 are arranged at the outer sides of the first terminal 3 and the second terminal 4; the first hook terminal 81 is disposed in the first hook groove 271, and the second hook terminal 82 is disposed in the second hook groove 272.

Referring further to fig. 14 and 15 in combination, in some embodiments, the electrical connector 1 further includes a first flip connecting terminal 91 and a second flip connecting terminal 92; the base 2 further comprises a first installation groove 281 and a second installation groove 282 which are arranged on the vertical rib plate 25 along the width direction, and the first installation groove 281 and the second installation groove 282 are positioned at two ends of the vertical rib plate 25; the first flip connecting terminal 91 is disposed in the first mounting groove 281, and the second flip connecting terminal 92 is disposed in the second mounting groove 282; thereby realizing the 6-direction fixation of the lifting cover up, down, left, right, front and back, and effectively avoiding the falling off of the lifting cover.

In some embodiments, the first and second flip connection terminals 91 and 92 each include a connection terminal body 93, a first limit tooth 94, a limit groove 95, a second limit tooth 96, a flip rotation groove 97, and a third limit tooth 98; the first limiting tooth 94, the limiting groove 95, the second limiting tooth 96, the flip cover rotating groove 97 and the third limiting tooth 98 are sequentially arranged on the connecting terminal body 93 along the width direction; the first limiting tooth 94 is arranged on one side of the connecting terminal body 93 close to the insertion end 20, the third limiting tooth 98 is arranged on one side of the connecting terminal body 93 close to the flip end 21, wherein the bottoms of the first limiting tooth 94 and the third limiting tooth 98 in the height direction are both provided with a welding fixing part 99, the top of the second limiting tooth 96 in the height direction is provided with a limiting chamfer 90 on one side close to the third limiting tooth 98, so that the top of the second limiting tooth 96 in the height direction forms a wedge-shaped structure on one side close to the third limiting tooth 98, the buckling force of the flip rotating groove 97 on the flip 5 is improved, and the flip 5 is prevented from being disengaged; the extending heights of the first limiting tooth 94 and the second limiting tooth 96 in the height direction are both smaller than the extending height of the third limiting tooth 98 in the height direction; the first and second limiting beams 283 and 284 are respectively arranged at the bottoms of the first and second mounting grooves 281 and 95, the first limiting beam 283 is accommodated in the limiting groove 95, and the second limiting beam 284 and the flip cover 5 are accommodated in the flip cover rotating groove 97; that is to say, the connecting terminal body 93, the second limit tooth 96, the flip rotation groove 97 and the third limit tooth 98 are right five directions of the flip 5 from front to back, from left to right, and down, the second limit beam 284 is right the upper part of the flip 5 is limited, and the first flip connecting terminal 91 and the connecting terminal of the first flip connecting terminal 91 to the flip 5 are further lifted.

Referring further to fig. 16 and 4 in combination, in some embodiments, the flip cover 5 includes: the flip cover comprises a flip cover body 50, a rotating shaft 51, a terminal clamping hole 52 and a terminal protection lug 53; the rotating shaft 51 is disposed at one end of the flip body 50 in the height direction, and both ends of the rotating shaft 51 in the length direction are respectively rotatably connected to the first flip connecting terminal 91 and the flip rotating groove 97 of the first flip connecting terminal 91, and are also rotatably connected to the first flip fixing teeth 33 and the second flip fixing teeth 43; the terminal clamping hole 52 is arranged between the flip cover body 50 and the rotating shaft 51, and the first terminal 3 and the second terminal 4 are clamped with the rotating shaft 51 through the terminal clamping hole 52; the terminal protection projections 53 are disposed at both sides of the terminal catching holes 52; when the first and second terminals 3 and 4 are engaged in the terminal engaging holes 52, the extending lengths of the second and fourth stationary teeth 331 and 431 in the width direction are smaller than the extending length of the terminal shielding projection 53 in the width direction; the first terminal 3 and the second terminal 4 are further arranged in the terminal clamping hole 52 and the terminal protection projection 53 in a concealed manner, so that the first terminal 3 and the second terminal 4 are effectively prevented from being scratched when the flip 5 is operated; the other end of the flip body 50 away from the rotating shaft 51 in the height direction is provided with a holding chamfer 501, so that the flip body 50 can be held and operated conveniently.

In summary, the present application provides an electrical connector comprising: the device comprises a base, a connecting piece and a clamping piece, wherein two ends of the base in the width direction are respectively provided with an inserting end and a turnover cover end; a first terminal disposed in the base, the first terminal including a first solder end and a first double row connection end both disposed at the insertion end; the second terminals are arranged in the base and are alternately arranged with the first terminals at intervals, and each second terminal comprises a second welding end arranged at the cover turning end and a second double-row connecting end arranged at the inserting end; the flip cover is rotatably connected to the flip cover end through the first terminal and the second terminal; the extension length of the first double-row connecting end at the inserting end is smaller than that of the second double-row connecting end at the inserting end, the first double-row connecting end and the second double-row connecting end are both provided with upper row of line teeth and lower row of line teeth, and the upper row of line teeth and the lower row of line teeth are both provided with double connection contact points. Through setting up first terminal and second terminal to with the winding displacement connecting portion homonymy setting of first terminal and second terminal, soldering part heteropleural sets up, and control the extension length of first winding displacement connecting end and second winding displacement connecting end for electric connector can set up more first terminal and second terminal, has satisfied electric connector's the many PIN demands of miniaturized little spaced and the demand of connection stability simultaneously.

It should be understood that the application of the present application is not limited to the above examples, and that modifications or changes may be made by those skilled in the art based on the above description, and all such modifications and changes are intended to fall within the scope of the appended claims.

Claims

1. An electrical connector, comprising:

the extension length of the first double-row connecting end at the inserting end is smaller than that of the second double-row connecting end at the inserting end, the first double-row connecting end and the second double-row connecting end are both provided with upper row of line teeth and lower row of line teeth, and the upper row of line teeth and the lower row of line teeth are both provided with double connection contact points.

2. The electrical connector of claim 1, wherein the base comprises:

the inserting end and the turning cover end are respectively arranged at two ends of the base body along the width direction;

the wire arranging groove is formed at the inserting end of the base body;

the flip groove is formed at the flip end of the base body;

the transmission terminal hole is formed in the vertical rib plate in the width direction, and the first terminal and the second terminal are arranged in the transmission terminal hole;

3. The electrical connector of claim 2, wherein the first terminal further comprises:

4. The electrical connector of claim 3, wherein the second terminal further comprises:

the second flip fixing teeth are arranged on one side, facing the flip end, of the second terminal body and are of a double-row tooth structure and used for being connected with the flip;

5. The electrical connector of claim 4,

the first double-row connecting end and the second double-row connecting end deviate from one end of the turnover cover end and are provided with chamfer angles or fillet structures.

6. The electrical connector of claim 4,

the first flip cover fixing teeth comprise first fixing teeth and second fixing teeth which are arranged at intervals from bottom to top in the height direction, the first fixing teeth are close to one end of the first terminal body, and a first groove and a first boss are sequentially arranged in the direction far away from the first terminal body;

second flip fixed teeth include third fixed teeth and fourth fixed teeth that set up along the direction of height from bottom to top interval, be provided with second recess, second boss and third boss on the third fixed teeth, just the second recess set up in third fixed teeth are close to the one end department of second terminal body, the second boss sets up adjacent with first recess, the third boss set up in the second boss deviates from one side of first recess, and with the interval of second boss sets up, just the height of second boss is less than the height of third boss, second weld end set up in third fixed teeth deviates from the one end of second terminal body.

7. The electrical connector of claim 4,

the electric connector also comprises a first hook terminal and a second hook terminal which are arranged in an I shape, and a flat cable buckle is arranged on one side of each of the first hook terminal and the second hook terminal, which faces the insertion end;

8. The electrical connector of claim 7,

the electric connector also comprises a first flip connecting terminal and a second flip connecting terminal;

9. The electrical connector of claim 8, wherein the first flip connecting terminal and the second flip connecting terminal each comprise a connecting terminal body, and a first limit tooth, a limit groove, a second limit tooth, a flip rotating groove, and a third limit tooth arranged in sequence in a width direction; the first limiting tooth is arranged on one side, close to the insertion end, of the connecting terminal body, the third limiting tooth is arranged on one side, close to the flip end, of the connecting terminal body, welding fixing parts are arranged at the bottoms of the first limiting tooth and the third limiting tooth in the height direction, and a limiting chamfer is arranged at one side, close to the third limiting tooth, of the top of the second limiting tooth in the height direction; the extending heights of the first limiting tooth and the second limiting tooth in the height direction are smaller than the extending height of the third limiting tooth in the height direction;

10. The electrical connector of claim 9, wherein the flip cover comprises:

a flip body;

the terminal clamping hole is formed between the flip body and the rotating shaft, and the first terminal and the second terminal are clamped with the rotating shaft through the terminal clamping hole;

the terminal protection convex blocks are arranged on two sides of the terminal clamping holes; when the first terminal and the second terminal are clamped in the terminal clamping holes, the extension length of the second fixed teeth and the fourth fixed teeth in the width direction is smaller than that of the terminal protection bumps in the width direction;

and the other end of the flip body, which deviates from the rotating shaft along the height direction, is provided with a holding chamfer.