CN218827978U - Electric connector combination and electric connector thereof - Google Patents

Abstract

The utility model discloses an electric connector combination and electric connector thereof, electric connector includes that the front end from insulator is to the concave butt joint chamber that establishes backward, conductive terminal has the fixed part, incline forward from the fixed part and extend elastic contact site and show in one side of butt joint chamber to and extend the external weld part of insulator backward from the fixed part, auxiliary terminal corresponds and locates conductive terminal and keeps away from one side of butt joint chamber, auxiliary terminal includes fixed part and the supporting part that is used for supporting the contact site, the sheetmetal has and extends first bullet arm and second bullet arm forward from the main part and all show in the opposite side of butt joint chamber, in the front-back direction, first bullet arm is leaner on before than second bullet arm; the butt joint piece is inserted into the butt joint cavity from the front end of the electric connector along the butt joint direction, the first elastic arm, the second elastic arm and the contact part are abutted to two opposite sides of the butt joint piece together, and the support part is abutted to the contact part towards the butt joint cavity, so that the electric connector is more stable and balanced in clamping the butt joint piece, and the service life of the conductive terminal is effectively prolonged.

Description

Electric connector combination and electric connector thereof

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector assembly and an electrical connector thereof, and more particularly to an electrical connector assembly and an electrical connector thereof for vehicles.

[ background of the invention ]

An electric connector applied to an automobile at present is used for being inserted by a butting connector, and comprises an insulating body, wherein a butting cavity is concavely arranged in the insulating body from front to back, a single row of elastic terminals are arranged on the lower side of the butting cavity, no structure is arranged on the upper side of the butting cavity and matched with the butting connector, and when the butting connector is inserted into the butting cavity, the single row of elastic terminals are abutted against one side of the butting connector so as to fix the butting connector. Because the application environment of the vehicular connector is more complex than that of the connectors of other products (such as mobile phones, computers, remote controllers and the like), and the automobile often generates large-amplitude and high-strength vibration in the use process, the vehicular connector has higher requirements on the forward force and the vibration resistance, and the single-row terminals are abutted against the butting connector, so that the sufficient forward force is not provided, and the vibration resistance grade cannot meet the requirements.

In order to solve the above problems, an auxiliary spring plate is additionally arranged below the single-row elastic terminals, the auxiliary spring plate is supported below the single-row elastic terminals to increase a forward force for the single-row elastic terminals, because the forward force at the lower side of the butt joint cavity is enhanced, but no structure is arranged at the upper side of the butt joint cavity, after the butt joint connector is inserted, the inserted end of the butt joint connector inclines upwards due to uneven stress, so that the butt joint connector cannot be inserted into the electric connector in a balanced and stable manner, and because no structure is arranged at the upper side of the butt joint cavity, a gap between the butt joint connector and the electric connector is large, when a vibration amplitude is large, the electric connector cannot be stably connected with the butt joint connector, so that the contact between the single-row elastic terminals and the butt joint terminals is unstable, and the normal use of the electric connector is affected. And the plastic on the upper side of the butt joint cavity is in rigid fit with the upper surface of the butt joint connector, so that the buffer effect between the electric connector and the butt joint connector cannot be realized in a vibration environment, the single-row elastic terminals are subjected to larger stress, the single-row elastic terminals are easy to generate elastic fatigue, and the service life of the single-row elastic terminals is influenced.

Therefore, there is a need to design a new electrical connector assembly to overcome the above problems.

[ Utility model ] content

An object of the utility model is to provide an it is relative with conductive terminal that first bullet arm and second bullet arm of sheetmetal all show the opposite side in butt joint chamber, in the front and back direction, first bullet arm is compared the second bullet arm is more leaned on the front, and first bullet arm and second bullet arm and the relative both sides of the common butt of contact site for the electric connector is more stable, balanced to the centre gripping of union piece, and has effectively improved conductive terminal's life's electric connector combination and electric connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in one aspect, the present invention provides an electrical connector assembly comprising: an electrical connector, including an insulating body, set up a butt-joint cavity backward from the front end of the said insulating body, at least a conductive terminal has a fixed part to fix in the said insulating body, incline forward from the said fixed part and extend a flexible contact site to expose on one side of the said butt-joint cavity, and extend a weld part outside the said insulating body backward from the said fixed part, at least an auxiliary terminal locates at the side of the said conductive terminal far away from the said butt-joint cavity correspondingly, the said auxiliary terminal includes a holding part fixed with the said insulating body and a supporting part used for supporting the said contact site, at least a metal sheet has a body portion located in the said insulating body, extend at least a first elastic arm and at least a second elastic arm from the said body portion forward and expose on another side of the said butt-joint cavity, in the back and forth direction, the said first elastic arm is closer to the front than the said second elastic arm; the butting piece is inserted into the butting cavity from the front end of the electric connector along the butting direction, the first elastic arm, the second elastic arm and the contact part are abutted against two opposite sides of the butting piece together, and the support part is abutted against the contact part towards the butting cavity.

Further, when the butt joint piece is inserted into the butt joint cavity, the contact part contacts with the butt joint piece to form a contact point, the first elastic arm contacts with the butt joint piece to form a first butting point, the second elastic arm contacts with the butt joint piece to form a second butting point, and when viewed from left to right, the projection of the contact point is located between the projection of the first butting point and the projection of the second butting point.

Furthermore, the auxiliary terminal comprises a bending part which is located behind the fixing part and is bent and extended forwards and backwards, the bending part extends forwards and towards the butt joint cavity in an inclined mode to form the supporting part, the first elastic arm, the second elastic arm and the contact part are respectively located on the upper side and the lower side of the butt joint cavity, and the supporting part is arranged right opposite to the contact part along the vertical direction.

Further, the insulation body comprises a first side wall and a second side wall which are positioned at two opposite sides of the butt joint cavity, and two connecting walls which are oppositely arranged and connect the first side wall and the second side wall, at least one terminal groove is concavely arranged forwards on the rear surface of the first side wall, the conductive terminal is assembled in the terminal groove forwards from back, at least one accommodating groove is concavely arranged backwards on the front surface of the first side wall, a partition wall is arranged between the rear section of the terminal groove and the accommodating groove, the front section of the terminal groove is communicated with the accommodating groove, the auxiliary terminal is assembled in the accommodating groove backwards from front, and the supporting part is positioned in front of the partition wall and convexly extends into the terminal groove.

Further, the conductive terminal further comprises an end part extending forwards from the contact part, a groove for accommodating the end part is arranged in front of the terminal groove, the wall surface of the groove downwards stops the upper surface of the end part, and the lower surface of the end part is approximately flush with the upper wall surface of the accommodating groove or is positioned above the upper wall surface of the accommodating groove.

Furthermore, each connecting wall is provided with a through hole in a penetrating manner along the front-back direction, two fixing pieces are respectively inserted and fixed on the two connecting walls and exposed out of the corresponding through holes, each fixing piece is provided with a locking part exposed out of the through hole for being in locking connection with the butting piece, and the locking part extends downwards to form the insulating body so as to be fixed to a positioning part of a circuit board.

Furthermore, each fixing part is flaky and is respectively inserted downwards to be fixed to two connecting walls, the lock catch part is a through hole penetrating through the surface of the fixing part, the butt joint part comprises two locking arms arranged at intervals, a clamping hook is convexly arranged on the side surface of each locking arm, the two locking arms are respectively inserted into the two through holes, and each clamping hook correspondingly enters each through hole and is connected with the lock catch part in a locking manner.

Furthermore, the number of the conductive terminals is at least two, the first elastic arm is located right above one of the conductive terminals, the second elastic arm is located right above the other conductive terminal, the first elastic arm and the abutting point of one of the conductive terminals and the abutting part are located on the same longitudinal section, and the second elastic arm and the abutting point of the other conductive terminal and the abutting part are located on the other longitudinal section.

Furthermore, the conductive terminals, the auxiliary terminals and the metal sheets are provided with a plurality of auxiliary terminals and metal sheets, the auxiliary terminals and the metal sheets are arranged in the insulating body, the welding parts of the conductive terminals extend backwards outside the insulating body, the number of the metal sheets is less than that of the conductive terminals, so that each metal sheet is correspondingly arranged above the conductive terminals, the auxiliary terminals are arranged below the conductive terminals in a one-to-one correspondence manner, and the metal sheets and the conductive terminals clamp the butt joint part together in the vertical direction.

Further, the butt joint piece comprises a plastic body, the plastic body comprises a base and a tongue plate extending forwards from the base, a metal shell covers one side of the tongue plate, at least one butt joint conductor is arranged on the other side of the tongue plate, the tongue plate is inserted into the butt joint cavity along the butt joint direction, the metal shell is abutted with the first elastic arm and the second elastic arm, the butt joint conductor is abutted with one side of the conductive terminal, and the auxiliary terminal is abutted with the other side of the conductive terminal.

On the other hand, the utility model also provides an electric connector for dock with a butt joint spare, include: the insulation body is provided with a first side wall and a second side wall which are arranged at two opposite sides of the butt joint cavity; at least one conductive terminal is assembled to the first side wall from back to front, the conductive terminal comprises a fixing part fixed in the first side wall, a welding part extending out of the insulating body from the fixing part to back, and a contact part inclining forwards from the fixing part and extending elastically, and the contact part protrudes from the first side wall and enters the butt joint cavity; at least one auxiliary terminal is assembled to the first side wall from front to back, the auxiliary terminal is correspondingly arranged on one side of the conductive terminal far away from the butt joint cavity, and the auxiliary terminal comprises a holding part held with the first side wall and a supporting part extending towards the butt joint cavity in an inclined mode so as to support the contact part; at least one metal sheet is arranged on the second side wall, the metal sheet comprises a main body part arranged in the second side wall, at least one first elastic arm and at least one second elastic arm extend forwards from the main body part and protrude into the butt joint cavity from the second side wall, in the front and rear direction, the first elastic arm is aligned with the contact part or is more front than the contact part, and the second elastic arm is more rear than the contact part; when the butting piece is inserted into the butting cavity from the front end of the electric connector along the butting direction, the first elastic arm, the second elastic arm and the contact part are jointly abutted against two opposite sides of the butting piece, and the support part is abutted against the contact part towards the butting cavity.

Furthermore, the insulation body is provided with a through hole respectively penetrating through two opposite sides of the butt joint cavity along the front-back direction, the two through holes are not communicated with the butt joint cavity, two insertion holes are formed in the top surface of the insulation body and respectively correspond to the two through holes one by one, two fixing pieces are respectively inserted into the two insertion holes and enter the corresponding through holes, each fixing piece is provided with a locking part which is exposed out of the through hole and used for being in locking connection with the butt joint piece, and the locking part extends downwards to form a positioning part of the insulation body so as to be fixed to a circuit board.

Compared with the prior art, the auxiliary terminal is correspondingly arranged on one side of the conductive terminal far away from the butt joint cavity, the auxiliary terminal comprises the fixing part fixedly held with the insulating body and the supporting part used for supporting the contact part, upward positive force is provided for the contact part, so that the contact part is more firmly abutted against the tongue plate, the elastic fatigue of the contact part is effectively avoided, the service life of the conductive terminal is effectively prolonged, the metal sheet is provided with the main body part arranged on the insulating body, the first elastic arm and the second elastic arm extend forwards from the main body part and are exposed on the other side of the butt joint cavity, the contact part is abutted against the butt joint part on one side of the butt joint cavity, the first elastic arm and the second elastic arm are abutted against the butt joint part on the other side of the butt joint cavity, so that the stress on the two opposite sides of the butt joint part is balanced, the butt joint part is not easy to incline upwards, in the front and rear directions, the first elastic arm is more forwards than the second elastic arm, so that the contact part, the first elastic arm and the second elastic arm and the butt joint part are more stably electrically connected with the butt joint part, and the electric connection of the conductive terminal is ensured, even if the electric connector and the electric connection between the electric connector is stably used in a vehicle, the butt joint part and the electric connection between the electric connector, the electric connection of the electric connector is stable and the electric connection between the electric connector, the electric connector is ensured, the butt joint piece is prevented from being in rigid contact with the plastic surface on the upper side of the butt joint cavity, a buffering effect is achieved between the electric connector and the butt joint piece, shaking of the butt joint piece is reduced under large-amplitude vibration, then the collision amplitude of the butt joint piece to the conductive terminals is reduced, elastic fatigue of the conductive terminals is not prone to occurring, and the service life of the conductive terminals is prolonged.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of the electrical connector of the present invention;

fig. 2 is an exploded perspective view of the docking member of the present invention;

fig. 3 is a schematic perspective view of the electric connector of the present invention before the assembly and butt joint;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a perspective view of FIG. 3 after docking;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is another cross-sectional view of FIG. 5;

FIG. 8 is an assembled front view of FIG. 1;

fig. 9 is a perspective sectional view of fig. 8.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

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[ detailed description ] A

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

Referring to fig. 1, fig. 2 and fig. 3, the electrical connector assembly 100 of the present invention is applied to an automobile, and the electrical connector assembly 100 includes an electrical connector 200 and a mating member 300 that is plugged into the electrical connector 200. The electrical connector 200 includes an insulative housing 1, a plurality of conductive terminals 2, a plurality of auxiliary terminals 3, a plurality of metal sheets 4, and two fixing members 5 for fixing the electrical connector 200 to a circuit board 400. The docking member 300 includes a plastic body 6, a metal shell 7, a flexible flat cable 8 and two locking members 9. For easy understanding, in the present embodiment, the mating direction of the electrical connector 200 and the mating member 300 is defined, in which the mating end of the electrical connector 200 is a front end and the end away from the mating end is a rear end, and in which the mating end of the mating member 300 is a front end and the end away from the mating end is a rear end.

Referring to fig. 1 and 4, the insulation body 1 is longitudinal, a docking cavity 11 is recessed from a front end of the insulation body 1, the insulation body 1 includes a first sidewall 12 located at a lower side of the docking cavity 11, a second sidewall 13 located at an upper side of the docking cavity 11 and opposite to the first sidewall 12, and two connecting walls 14 connecting the first sidewall 12 and the second sidewall 13 and opposite to each other, and the two connecting walls 14 are located at left and right sides of the docking cavity 11 respectively. A plurality of terminal grooves 121 are recessed forward from the rear surface of the first sidewall 12, the terminal grooves 121 are arranged in a row in the left-right direction, and the plurality of conductive terminals 2 are assembled in the terminal grooves 121 one by one from the rear to the front. A plurality of receiving grooves 122 are recessed backward from the front surface of the first sidewall 12, the plurality of receiving grooves 122 are arranged in a row along the left-right direction, the number of the receiving grooves 122 is equal to that of the terminal grooves 121, the plurality of receiving grooves 122 are communicated with the plurality of terminal grooves 121 in a one-to-one correspondence, the plurality of auxiliary terminals 3 are assembled in the plurality of receiving grooves 122 in a one-to-one correspondence, a partition wall 123 is provided between the rear end of each terminal groove 121 and each receiving groove 122, the front end of each terminal groove 121 is communicated with each receiving groove 122 in a corresponding manner, and each terminal groove 121 is located above each receiving groove 122 in a corresponding manner. The insulation body 1 further has a concave groove 124 corresponding to each terminal groove 121, and the concave groove 124 is located in front of the terminal groove 121 and above the receiving groove 122. A plurality of receiving grooves 131 are recessed forward from the rear surface of the second sidewall 13, the receiving grooves 131 are arranged in a row in the left-right direction, the number of the receiving grooves 131 is less than the number of the terminal grooves 121 and the receiving grooves 122, the width of each receiving groove 131 is greater than the width of each terminal groove 121 and the width of each receiving groove 131, and the plurality of metal sheets 4 are assembled in the receiving grooves 131 from the rear to the front in a one-to-one correspondence. In this embodiment, the number of the metal sheets 4 and the number of the receiving grooves 131 are five, and in other embodiments, the number of the metal sheets 4 and the number of the receiving grooves 131 may be other than five. Each of the connecting walls 14 is provided with a through hole 141 penetrating in the front-back direction, a fixing hole 142 penetrating downward from the upper surface of each of the connecting walls 14, each of the fixing holes 142 is correspondingly located at the inner side of each of the through holes 141 and is communicated with the through hole 141, the two fixing members 5 are correspondingly inserted into the two fixing holes 142 one by one, and each of the fixing members 5 is correspondingly exposed out of each of the through holes 141.

Referring to fig. 1, 4 and 9, the plurality of conductive terminals 2 are arranged in a row along the left-right direction and are inserted into the plurality of terminal slots 121 from the back to the front. Each of the conductive terminals 2 includes a fixing portion 21 fixed in the first sidewall 12, two protrusions 211 are respectively protruded from left and right sides of the fixing portion 21, the protrusions 211 are used for interference fit with the terminal slots 121, a contact portion 22 obliquely extends forward and upward from the fixing portion 21 and is exposed at one side of the docking cavity 11, the contact portion 22 protrudes from the first sidewall 12 into the docking cavity 11, the contact portion 22 is electrically connected with the docking member 300, an end portion 23 extending forward from the contact portion 22 is accommodated in the groove 124, a wall surface of the groove 124 blocks an upper surface of the end portion 23 downward, in this embodiment, a lower surface of the end portion 23 is substantially flush with an upper wall surface of the accommodating cavity 122, and in other embodiments, a lower surface of the end portion 23 may be located above the upper wall surface of the accommodating cavity 122. When the auxiliary terminal 3 is inserted into the receiving groove 122 from front to back, since the upper wall surface of the receiving groove 122 is located in front of the end portion 23, the auxiliary terminal 3 will first contact with the upper wall surface of the receiving groove 122, the lower surface of the end portion 23 is substantially flush with the upper wall surface of the receiving groove 122 or the lower surface of the end portion 23 can be located above the upper wall surface of the receiving groove 122, so the upper wall surface of the receiving groove 122 will press the auxiliary terminal 3 downward, the friction and collision between the auxiliary terminal 3 and the conductive terminal 2 are reduced, the wear rate and deformation rate of the auxiliary terminal 3 and the conductive terminal 2 are reduced, and the auxiliary terminal 3 can be easily assembled into the receiving groove 122. The conductive terminal 2 further has a soldering portion 24 extending from the fixing portion 21 to the rear of the insulating housing 1, and the soldering portion 24 is used for being soldered to the upper surface of the circuit board 400. The width of the fixing portion 21 is wider than the widths of the contact portion 22 and the welding portion 24.

Referring to fig. 1, 4 and 9, a plurality of the auxiliary terminals 3 are disposed in the first sidewall 12, the number of the auxiliary terminals 3 is equal to the number of the conductive terminals 2, and the plurality of the auxiliary terminals 3 are arranged in a row along the left-right direction and are correspondingly inserted into the plurality of accommodating slots 122 from front to back. Each auxiliary terminal 3 is correspondingly arranged on one side of each conductive terminal 2 far away from the butt joint cavity 11, that is, the plurality of auxiliary terminals 3 are correspondingly arranged below the plurality of conductive terminals 2 one by one. Each auxiliary terminal 3 includes a holding portion 31 held by the insulative housing 1, the holding portion 31 is in interference fit with two side walls of the receiving cavity 122, an extending portion 32 horizontally extending from the holding portion 31 backward, the extending portion 32 is spaced from two side walls of the receiving cavity 122, a bending portion 33 bending and extending from the extending portion 32 forward and backward, the bending portion 33 is located below the partition wall 123, and a supporting portion 34 extending from the bending portion 33 forward and obliquely toward the docking cavity 11, the supporting portion 34 is located under the contact portion 22 and is closely attached to the contact portion 22, the supporting portion 34 is located in front of the partition wall 123 and protrudes into the terminal slot 121, and the width of the supporting portion 34 is equal to the width of the contact portion 22.

Referring to fig. 1, 4 and 8, a plurality of metal sheets 4 are arranged in a row along the left-right direction and are inserted into the plurality of receiving slots 131 from the back to the front, the plurality of metal sheets 4 are disposed in the insulating body 1, and the number of the metal sheets 4 is less than the number of the auxiliary terminals 3 and the number of the conductive terminals 2. Each metal sheet 4 comprises a sheet-shaped main body 41 arranged on the insulating body 1, two first elastic arms 42 and two second elastic arms 43 extending forwards from the main body 41 and exposed at the other side of the docking cavity 11, wherein the two first elastic arms 42 and the two second elastic arms 43 both protrude into the docking cavity 11 from the second side wall 13, the two second elastic arms 43 are located between the two first elastic arms 42, and the length of the forward extension of the first elastic arms 42 is greater than that of the forward extension of the second elastic arms 43. The first elastic arm 42 is at least partially located in front of the second elastic arm 43, the first elastic arm 42 is inclined toward the docking cavity 11 by a height equal to the height of the second elastic arm 43 inclined toward the docking cavity 11, the first elastic arm 42 is more forward than the second elastic arm 43 in the front-rear direction, in this embodiment, the first elastic arm 42 and the contact portion 22 are more forward than the contact portion 22, the second elastic arm 43 is more rearward than the contact portion 22, and in other embodiments, the first elastic arm 42 may be aligned with the contact portion 22. The two first elastic arms 42 of each metal sheet 4 are respectively located right above two outermost conductive terminals 2 of the four parallel conductive terminals 2, the two second elastic arms 43 are respectively located right above two middle conductive terminals 2 of the four parallel conductive terminals 2, the first elastic arms 42 and the abutting points of the corresponding conductive terminals 2 and the abutting piece 300 are on the same longitudinal section, the second elastic arms 43 and the abutting points of the corresponding conductive terminals 2 and the abutting piece 300 are on the other longitudinal section, one conductive terminal 2 is correspondingly arranged below each first elastic arm 42, one conductive terminal 2 is correspondingly arranged below each second elastic arm 43, each first elastic arm 42 and one conductive terminal 2 jointly clamp the tongue plate 62 in the up-down direction, and each second elastic arm 43 and one conductive terminal 2 jointly clamp the tongue plate 62 in the up-down direction.

Referring to fig. 1, 3 and 7, the fixing member 5 is in a sheet shape, the two fixing members 5 are respectively inserted and fixed in the two fixing holes 142 and exposed to the corresponding through holes 141, each fixing member 5 includes a locking portion 51 and a positioning portion 52 extending from the locking portion 51 to the insulating body 1, the locking portion 51 is a through hole penetrating through the plate surface of the fixing member 5, the locking portion 51 is exposed to the through hole 141 and communicated with the through hole 141, and the positioning portion 52 is used to be inserted and fixed to the circuit board 400.

Referring to fig. 2, 3 and 4, the plastic body 6 includes a base 61, a tongue plate 62 extending forward from the base 61, and two locking arms 64 extending forward from the base 61, the two locking arms 64 are respectively located at left and right sides of the tongue plate 62 and spaced from the tongue plate 62, a slot 63 is recessed forward from a rear surface of the base 61, the slot 63 penetrates through the base 61 in a front-back direction and extends forward to the tongue plate 62, the slot 63 penetrates downward through a lower surface of the tongue plate 62, and the slot 63 is used for accommodating the flexible flat cable 8. Two first insertion holes 611 and one second insertion hole 612 are respectively arranged on the upper surfaces of two sides of the base 61 in a downward concave manner, the two first insertion holes 611 on the same side of the base 61 are arranged in a front-back direction in an aligned manner, and the second insertion hole 612 is arranged on the outer side of the first insertion hole 611 and is arranged in a left-right direction in an aligned manner with the first insertion hole 611 in the front. A third insertion hole 621 is respectively formed in the upper surfaces of the two sides of the tongue plate 62 in a downward concave manner, and the third insertion hole 621 is located in front of the first insertion hole 611 and the second insertion hole 612. A slot 641 for accommodating the locking member 9 is recessed forward from the rear surface of each locking arm 64, and the slot 641 penetrates through the inner side surface of the locking arm 64.

Referring to fig. 2, the metal shell 7 includes a main body portion 71, the main body portion 71 is disposed on the upper surface of the base portion 61, bends downward and extends forward to the upper surface of the tongue portion 62, and a wing portion 72 extends from two side edges of the main body portion 71. Two first insertion pieces 711 are formed by respectively bending downwards from two sides of the main body 71 above the base 61, a second insertion piece 721 is formed by bending downwards from each wing 72, the two first insertion pieces 711 on the same side of the main body 71 are aligned in the front-back direction, and the second insertion piece 721 is located outside the first insertion pieces 711 and is aligned with the first insertion pieces 711 in the front in the left-right direction. Two third insertion pieces 712 are respectively formed by bending downwards from two sides of the main body 71 above the tongue plate 62, and the third insertion pieces 712 are located in front of the first insertion pieces 711 and the second insertion pieces 721.

Referring to fig. 2 and 4, the front end of the flexible flat cable 8 is inserted into the insertion slot 63 from the back to the front, the flexible flat cable 8 is fixed to the base 61 and extends forward to be exposed on the lower surface of the tongue plate 62, a plurality of butt conductors 81 are disposed on the lower surface of the flexible flat cable 8, and the butt conductors 81 are arranged in a row along the left-right direction and exposed on the lower surface of the tongue plate 62. Two notches 82 are respectively concavely arranged on two sides of the flexible flat cable 8, and the two notches 82 positioned on the same side are aligned in the front-back direction.

Referring to fig. 2 and 3, the metal shell 7 is assembled downward to the upper surfaces of the base 61 and the tongue plate 62, and the first inserting pieces 711 are inserted into the first inserting holes 611 one by one and inserted into the notches 82 one by one downward, so that the metal shell 7 is fixed to the base 61 and prevents the flexible flat cable 8 from being withdrawn backward from the plastic main body 6. The two second insertion pieces 721 are inserted into the two second insertion holes 612 one by one to fix the two locking elements 9, and the two third insertion pieces 712 are inserted into the two third insertion holes 621 one by one to fix the metal shell 7 to the tongue plate 62.

Referring to fig. 2, 3 and 7, two of the locking members 9 are inserted into the slots 641 of the two locking arms 64 from the back to the front in a one-to-one correspondence. Each of the locking members 9 includes a pivot portion 91, a circular hole 911 is formed through the pivot portion 91 and is engaged with the second insertion piece 721, a hook 92 extends forward from the pivot portion 91, the hook 92 is exposed on the inner side of the locking arm 64, a pressing portion 93 extends backward from the pivot portion 91, and the pressing portion 93 is exposed on the outer side of the base portion 61. The second inserting piece 721 and the circular hole 911 form a pivot point, the moving directions of the pressing portion 93 and the hook 92 are opposite, when the pressing portion 93 is pressed inward, the hook 92 moves outward and is completely accommodated in the groove 641, and when the pressing portion 93 is released, the hook 92 returns to the original position.

Referring to fig. 5, 6 and 7, the mating member 300 is inserted into the electrical connector 200 along the mating direction, the tongue plate 62 is inserted into the mating cavity 11, the two locking arms 64 are inserted into the two through holes 141 one by one, the pressing portion 93 is pressed to move the hook 92 outward into the groove 641, when the locking arms 64 are inserted in place, the hook 92 is released, the hook 92 and the locking portion 51 are stopped from front to back to prevent the mating member 300 from separating from the electrical connector 200, at this time, the tongue plate 62 is also completely inserted into the mating cavity 11, the first elastic arms 42 and the second elastic arms 43 elastically abut against the body 71 on the upper side of the tongue plate 62, each first elastic arm 42 contacts with the body 71 to form a first abutting point 421, each second elastic arm 43 contacts with the body 71 to form a second abutting point 431, and each first abutting point 421 is located in front of each second abutting point 431. The contact portions 22 are elastically abutted against the butt conductors 81 on the lower side of the tongue plate 62 in a one-to-one correspondence manner, each contact portion 22 is abutted against each butt conductor 81 to form a contact point 221, the tongue plate 62 is abutted against the contact portion 22 downwards, the supporting portion 34 is located right below the contact portion 22 to provide an upward positive force for the contact portion 22, so that the abutting force of the contact portion 22 against the tongue plate 62 is increased, and when viewed from left to right, the projection of the contact point 221 is located between the projection of the first abutting point 421 and the projection of the second abutting point 431, so that the first abutting points 421, the contact points 221 and the second abutting points 431 are abutted against three sections of the tongue plate 62 respectively, the clamped area of the tongue plate 62 is increased, and the tongue plate 62 is more stably inserted.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "width", "vertical", "relative", "vertical", "inclined", and the like indicate orientations or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly referred to must be constructed and operated in a specific orientation with a designated orientation, and therefore, should not be construed as limiting the present invention.

To sum up, the utility model discloses an electric connector combination and electric connector thereof has following beneficial effect:

1. the auxiliary terminal 3 is correspondingly arranged on one side of the conductive terminal 2 far away from the butting cavity 11, the auxiliary terminal 3 comprises the holding part 31 which is fixedly held with the insulating body 1 and the supporting part 34 which is used for supporting the contact part 22, upward positive force is provided for the contact part 22, the butting of the contact part 22 against the tongue plate 62 is more stable, elastic fatigue of the contact part 22 is effectively avoided, the service life of the conductive terminal 2 is effectively prolonged, the metal sheet 4 is provided with the main body part 41 which is arranged on the insulating body 1, the first elastic arm 42 and the second elastic arm 43 extend forwards from the main body part 41 and are exposed on the other side of the butting cavity 11, the contact part 22 is positioned on one side of the butting cavity 11 and is butted against the butting piece 300, the first elastic arm 42 and the second elastic arm 43 are butted against the butting piece 300 on the other side of the butting cavity 11, so that the stress on two opposite sides of the butting piece 300 is more balanced, the butting piece 300 is not easy to tilt upwards, in the front and back directions, the first elastic arm 42 is closer to the contact part 43 to the butting piece 200 and the contact with the second elastic arm 43, and the butting piece 200 and the electrical connection of the conductive terminal is more stable, even if vibration is generated between the butting piece 200 and the butting piece 200, the electrical connection of the vehicle is more stable, the butting piece 300, the contact piece 300, and the triangular contact piece 200 and the triangular contact piece is formed, guaranteed electric connector assembly 100's normal use, electric connector 200 with the relative both sides of butt joint piece 300 are elastic contact, avoid butt joint piece 300 with the plastic face rigid contact of the upside of butt joint chamber 11, for electric connector 200 with play the effect of buffering between the butt joint piece 300, make vibrations down by a wide margin butt joint piece 300 rocks and reduces, and then makes butt joint piece 300 is right conductive terminal 2's collision amplitude reduces, has increased conductive terminal 2's life.

2. When the docking member 300 is inserted into the docking cavity 11, the contact portion 22 contacts with the docking member 300 to form the contact point 221, the first elastic arm 42 contacts with the docking member 300 to form the first abutting point 421, the second elastic arm 43 contacts with the docking member 300 to form the second abutting point 431, when viewed from left to right, the projection of the contact point 221 is located between the projection of the first abutting point 421 and the projection of the second abutting point 431, so that the plurality of first abutting points 421, the plurality of contact points 221, and the plurality of second abutting points 431 respectively form three sections of positions abutting against the tongue plate 62, the clamped area of the tongue plate 62 is increased, so that the tongue plate 62 is more stably plugged, and when viewed from the left-right direction projection, the second abutting point 431 is located behind the contact point 221 and on the opposite side of the contact point 221 abuts against the tongue plate 62, so that the tongue plate 62 is not easily inclined upwards, and further, the docking member 300 can be stably plugged into the electrical connector 200 in a balanced manner.

3. The conductive terminal 2 further includes the end portion 23 extending forward from the contact portion 22, the groove 124 for accommodating the end portion 23 is disposed in front of the terminal groove 121, the wall surface of the groove 124 stops the upper surface of the end portion 23 downward, when the auxiliary terminal 3 is inserted into the accommodating groove 122 from front to back, since the upper wall surface of the accommodating groove 122 is located in front of the end portion 23, the auxiliary terminal 3 will contact with the upper wall surface of the accommodating groove 122 first, the lower surface of the end portion 23 is substantially flush with the upper wall surface of the accommodating groove 122 or the lower surface of the end portion 23 can be located above the upper wall surface of the accommodating groove 122, the upper wall surface of the accommodating groove 122 will press the auxiliary terminal 3 downward, so that friction and collision between the auxiliary terminal 3 and the conductive terminal 2 are reduced, further wear rate and deformation rate between the auxiliary terminal 3 and the conductive terminal 2 are reduced, and the auxiliary terminal 3 is easier to be assembled to the accommodating groove 122.

4. The two fixing members 5 are respectively inserted and fixed in the two connecting walls 14 and exposed to the corresponding through holes 141, each fixing member 5 has the locking portion 51 exposed to the through hole 141 for locking and connecting with the corresponding counterpart 300, and the locking portion 51 extends downward to the insulation body 1 to be fixed to the positioning portion 52 of the circuit board 400, the fixing member 5 has a simple structure, but has multiple functions, and can be locked with the hooks 92 of the counterpart 300 and fix the electrical connector 200 to the circuit board 400.

5. The number of the conductive terminals 2 is at least two, the first elastic arm 42 is located right above one of the conductive terminals 2, the second elastic arm 43 is located right above the other conductive terminal 2, the first elastic arm 42 and the abutting point of one of the conductive terminals 2 and the abutting piece 300 are located on the same longitudinal section, the second elastic arm 43 and the abutting point of the other conductive terminal 2 and the abutting piece 300 are located on the other longitudinal section, and the first elastic arm 42 and the second elastic arm 43 correspond to the two adjacent conductive terminals 2 one by one in the vertical direction to clamp the tongue plate 62 together with the two conductive terminals 2 in the vertical direction, so that the clamping force applied to the same position on the upper and lower sides when the tongue plate 62 is inserted can be kept consistent as much as possible.

6. The metal shell 7 covers one side of the tongue plate 62, so that the strength of the tongue plate 62 is enhanced, and the first elastic arm 42 and the second elastic arm 43 are abutted against the metal shell 7, so that the first elastic arm 42 and the second elastic arm 43 do not directly contact the plastic of the tongue plate 62, and the first elastic arm 42 and the second elastic arm 43 do not directly rub the tongue plate 62 to generate plastic scraps, so that the tongue plate 62 is not easily worn, and the working environment of the electrical connector assembly 100 is cleaner.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.

Claims (12)

1. An electrical connector assembly, comprising:

an electrical connector, including an insulating body, set up a butt-joint cavity backward from the front end of the said insulating body, at least a conductive terminal has a fixed part to fix in the said insulating body, incline forward from the said fixed part and extend a flexible contact site to expose on one side of the said butt-joint cavity, and extend a weld part outside the said insulating body backward from the said fixed part, at least an auxiliary terminal locates at the side of the said conductive terminal far away from the said butt-joint cavity correspondingly, the said auxiliary terminal includes a holding part fixed with the said insulating body and a supporting part used for supporting the said contact site, at least a metal sheet has a body portion located in the said insulating body, extend at least a first elastic arm and at least a second elastic arm from the said body portion forward and expose on another side of the said butt-joint cavity, in the back and forth direction, the said first elastic arm is closer to the front than the said second elastic arm;

the butt joint piece is inserted into the butt joint cavity from the front end of the electric connector along the butt joint direction, the first elastic arm, the second elastic arm and the contact part are abutted to two opposite sides of the butt joint piece together, and the support part is abutted to the contact part towards the direction of the butt joint cavity.

2. The electrical connector assembly of claim 1, wherein: when the butt joint piece is inserted into the butt joint cavity, the contact part forms a contact point with the butt joint piece contact, the first spring arm forms a first butt joint point with the butt joint piece contact, the second spring arm forms a second butt joint point with the butt joint piece contact, and as viewed from left to right, the projection of the contact point is located between the projection of the first butt joint point and the projection of the second butt joint point.

3. The electrical connector assembly of claim 1, wherein: the auxiliary terminal comprises a bending part which is positioned behind the fixing part and is bent and extended forwards and reversely, the bending part extends forwards and towards the butt joint cavity in an inclined mode to form the supporting part, the first elastic arm, the second elastic arm and the contact part are respectively positioned on the upper side and the lower side of the butt joint cavity, and the supporting part is arranged right opposite to the contact part along the vertical direction.

4. The electrical connector assembly of claim 1, wherein: insulator is including being located a first lateral wall and a second lateral wall and the connection of butt joint chamber both sides first lateral wall with two connecting walls that second lateral wall and relative setting, certainly the rear surface of first lateral wall is concave forward and is established at least one terminal groove, conductive terminal from the back forward assemble in the terminal groove, certainly the front surface of first lateral wall is concave backward establishes at least one holding tank, the back end in terminal groove with a spacing has between the holding tank, the anterior segment in terminal groove with the holding tank is linked together, auxiliary terminal from the preceding back assemble in the holding tank, the supporting part is located the protruding entering of stretching in the place ahead of spacing wall the terminal groove.

5. The electrical connector assembly of claim 4, wherein: the conductive terminal also comprises an end part which extends forwards from the contact part, a groove for accommodating the end part is arranged in front of the terminal groove, the upper surface of the end part is blocked downwards by the wall surface of the groove, and the lower surface of the end part is approximately flush with the upper wall surface of the accommodating groove or is positioned above the upper wall surface of the accommodating groove.

6. The electrical connector assembly of claim 4, wherein: each connecting wall is provided with a through hole in a penetrating manner along the front-back direction, two fixing pieces are respectively inserted and fixed on the two connecting walls and exposed out of the corresponding through holes, each fixing piece is provided with a locking part exposed out of the through hole for being in locking connection with the butting piece, and the locking part extends downwards out of the insulating body to be fixed to a positioning part of a circuit board.

7. The electrical connector assembly of claim 6, wherein: each fixing piece is in a sheet shape and is downwards inserted and fixed to the two connecting walls respectively, the lock catch portion is a through hole penetrating through the surface of the fixing piece, the butt joint piece comprises two locking arms arranged at intervals, a clamping hook is convexly arranged on the side surface of each locking arm, the two locking arms are respectively inserted into the two through holes, and each clamping hook correspondingly enters each through hole and is in lock catch connection with the lock catch portion.

8. The electrical connector assembly of claim 1, wherein: the conductive terminals are provided with at least two, the first elastic arm is positioned right above one of the conductive terminals, the second elastic arm is positioned right above the other conductive terminal, the first elastic arm and one of the conductive terminals are positioned on the same longitudinal section with the butt joint point of the butt joint piece, and the second elastic arm and the other conductive terminal are positioned on the other longitudinal section with the butt joint point of the butt joint piece.

9. The electrical connector assembly of claim 1, wherein: the conductive terminal, the auxiliary terminal, and the sheetmetal all is equipped with a plurality ofly, and is a plurality of the auxiliary terminal with the sheetmetal all sets up in the insulator is internal, and is a plurality of conductive terminal the welding part extends backward outside the insulator, the quantity of sheetmetal is less than conductive terminal's quantity makes each the sheetmetal correspondence is located a plurality of conductive terminal's top, and is a plurality of the auxiliary terminal one-to-one sets up in a plurality of conductive terminal's below, and is a plurality of sheetmetal and a plurality of conductive terminal centre gripping jointly in the upper and lower direction the butt joint piece.

10. The electrical connector assembly of claim 1, wherein: the butt joint piece comprises a plastic main body, the plastic main body comprises a base part and a tongue plate extending forwards from the base part, a metal shell covers one side of the tongue plate, at least one butt joint conductor is arranged on the other side of the tongue plate, the tongue plate is inserted into the butt joint cavity along the butt joint direction, the metal shell is abutted with the first elastic arm and the second elastic arm, the butt joint conductor is abutted with one side of the conductive terminal, and the auxiliary terminal is abutted with the other side of the conductive terminal.

11. An electrical connector for mating with a mating member, comprising:

the insulation body is provided with a first side wall and a second side wall which are arranged at two opposite sides of the butt joint cavity;

at least one conductive terminal is assembled to the first side wall from back to front, the conductive terminal comprises a fixing part fixed in the first side wall, a welding part extending out of the insulating body from the fixing part to back, and a contact part inclining forwards from the fixing part and extending elastically, and the contact part protrudes from the first side wall and enters the butt joint cavity;

at least one auxiliary terminal is assembled to the first side wall from front to back, the auxiliary terminal is correspondingly arranged on one side of the conductive terminal far away from the butt joint cavity, and the auxiliary terminal comprises a holding part held with the first side wall and a supporting part extending towards the butt joint cavity in an inclined mode so as to support the contact part;

at least one metal sheet is arranged on the second side wall, the metal sheet comprises a main body part arranged in the second side wall, at least one first elastic arm and at least one second elastic arm extend forwards from the main body part and protrude into the butt joint cavity from the second side wall, in the front and rear direction, the first elastic arm is aligned with the contact part or is more front than the contact part, and the second elastic arm is more rear than the contact part;

when the butting piece is inserted into the butting cavity from the front end of the electric connector along the butting direction, the first elastic arm, the second elastic arm and the contact part are jointly abutted against two opposite sides of the butting piece, and the support part is abutted against the contact part towards the butting cavity.

12. The electrical connector of claim 11, wherein: the insulating body is provided with through holes respectively penetrating through two opposite sides of the butt joint cavity along the front-back direction, the two through holes are not communicated with the butt joint cavity, two inserting holes are formed in the top surface of the insulating body and correspond to the two through holes respectively, two fixing pieces are inserted into the two inserting holes respectively and enter the corresponding through holes, each fixing piece is provided with a locking part which is exposed out of the through holes and used for being in locking connection with the butt joint pieces, and a positioning part which extends downwards from the locking part to the insulating body and is fixed to a circuit board.

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