CN218525780U - Electrical connector with improved contact arrangement - Google Patents

Abstract

The utility model discloses an electric connector, including an at least conductor, an insulating housing and an unlocking piece, insulating housing's hasp arm's rear end is connected with insulating housing's top surface and forms an at least support section, and the hasp arm has a linkage segment and supports the section and link to each other, and a bulge is established to the outside salient respectively in the left and right sides of linkage segment, and the unlocking piece is located on the hasp arm, and can follow the fore-and-aft direction and slide, and the top of unlocking piece has one and presses the splenium, and the left and right sides of unlocking piece is equipped with respectively with bulge complex cooperation portion. The rear end of hasp arm does not set up according to the splenium for insulating housing's length can be shorter, the connector realizes short type, miniaturization, the deblocking piece is split type design with the hasp arm, make the length of hasp arm shorter, and also the corresponding design length of length with hasp arm complex deblocking piece is shorter, when making the deblocking piece remove to the second position, press the splenium of deblocking piece and can drive the hasp arm and carry out the unblock to joining in marriage the connector, thereby satisfy miniaturized demand.

Description

Electrical connector with improved contact arrangement

[ technical field ] A

The present invention relates to an electrical connector, and more particularly to an electrical connector with a latch arm.

[ background ] A method for producing a semiconductor device

The existing connector comprises an insulating shell, wherein a lock catch arm is integrally connected to the top surface of the insulating shell, the middle position of the lock catch arm is connected with the insulating shell through a supporting section, and a pressing part located behind the supporting section extends from the rear end of the lock catch arm to be used for unlocking. The latch arm integrally designed with the insulating housing is easy for a user to accidentally touch the pressing part to accidentally disengage the connector from the mating connector in a state that the connector and the mating connector are plugged and locked. For the above existing problems, a position assurance member is usually added by those skilled in the art below the pressing portion, and the position assurance member is inserted into the lower portion of the pressing portion from back to front in the front-back direction, so that the pressing portion cannot be pressed downward in the locked state of the connector and the mating connector, but because the position assurance member is added, in order to limit the position assurance member, the original length of the insulating housing obviously cannot meet the requirement of accommodating the position assurance member, and when the connector needs to be unlocked, the position assurance member needs to be withdrawn from the position fixed on the pressing portion, at this time, the position assurance member exceeds the pressing portion rearward, and because the position assurance member needs to move a distance rearward, the length of the insulating housing needs to be extended longer, so that the length dimension of the insulating housing is inevitably increased, and obviously the requirements of short-type and miniaturization of the electrical connector cannot be met.

Therefore, there is a need for an electrical connector that overcomes the above problems.

[ Utility model ] A method for manufacturing a semiconductor device

Problem to the background art faces, the utility model aims to provide a rear end of hasp arm is connected with insulating housing's top surface, the deblocking piece is located on the hasp arm, deblocking piece and hasp arm are split type design, not only can avoid the mistake to touch and make the length of hasp arm shorter, and with the also corresponding design of length of hasp arm complex deblocking piece shorter, when making the deblocking piece remove to the second position, press the splenium of pressing of deblocking piece and can drive the hasp arm and carry out the unblock to joining in marriage the connector, thereby satisfy electric connector's short type, miniaturized demand.

In order to achieve the above object, the utility model adopts the following technical means:

an electrical connector for mating with a mating connector in a front-to-back direction, comprising:

at least one conductor;

the insulation shell comprises at least one terminal accommodating groove, the conductor is accommodated in the terminal accommodating groove, a lock catch arm integrally extends from the top surface of the insulation shell, the rear end of the lock catch arm is connected with the top surface of the insulation shell, so that at least one supporting section is formed at the rear end of the lock catch arm, the lock catch arm is provided with a connecting section which is connected with the supporting section, the left side and the right side of the connecting section are respectively provided with a protruding part in an outward protruding manner, and the front side of the connecting section is provided with a lock catch part which is used for locking the mating connector;

the unlocking piece is located on the lock catch arm and can slide along the front-back direction, a pressing part is arranged at the top of the unlocking piece, matching parts are arranged on the left side and the right side of the unlocking piece respectively, when the electric connector is locked with the mating connector, the unlocking piece is located at the first position, the pressing part is located above or in front of the supporting section, the pressing part is blocked by the upper wall surface of the supporting section in the up-down direction, when the unlocking piece moves backwards from the first position to the second position, the pressing part moves to the rear of the supporting section, at least part of the matching part is located below the protruding part, and the pressing part is pressed downwards to enable the matching part to drive the protruding part and the connecting section to move upwards, so that the lock catch part and the mating connector are unlocked.

Further, the unlocking piece comprises a base part, the pressing part extends backwards from the base part, the matching parts comprise a side wall extending downwards from the base part and a bottom wall formed by inward protruding of the side wall, each side wall, the bottom wall connected with the side wall and the bottom surface of the base part form a guide groove together, the two protrusions are contained in the two guide grooves in a sliding mode respectively, and when the unlocking piece is located at the second position, each bottom wall abuts against the corresponding lower surface of the protrusion upwards.

Further, the upper surface and the lower surface of each protruding portion are planes, and the lower surface of each protruding portion abuts against the bottom wall in a plane mode.

Further, the unlocking piece extends forwards to form an extension arm which is located between the matching parts, an opening is formed in the front side of the connecting section in a penetrating mode along the up-down direction, the opening is provided with a front wall and a rear wall which are opposite to each other, the opening is formed by the front wall and the rear wall together to form the locking part, a hook part is arranged at the free end of the extension arm and located in the opening, and when the unlocking piece moves backwards to the second position, the hook part is abutted to the rear wall.

Further, an opening has been seted up backward to the hasp arm, the opening is located the rear of hasp portion, insulating housing's top surface corresponds open-ended below is equipped with first abrupt rib and a second abrupt rib that has the arc surface structure from preceding backward in proper order, the bottom surface of unblocking piece is protruding to establish a pivot portion downwards, pivot portion is located press the splenium the place ahead and insert and locate the opening, the lower extreme of pivot portion has a pivot groove of arc concave surface when the unblocking piece is in the first position, the pivot groove with first abrupt rib cooperatees with spacingly the unblocking piece when the unblocking piece is in the second position, the pivot groove with the cooperation of second abrupt rib cooperatees, presses the splenium, the unblocking piece is around insulating housing is rotatory, makes the cooperation portion upwards deflect and drive the bulge with the linkage segment upwards displacement.

Further, the pivoting part comprises two supporting blocks which are arranged along the left side and the right side at intervals, the lower ends of the two supporting blocks are connected with a connecting block together, the lower end of the connecting block is concavely provided with the pivoting groove, and in the front and rear direction, the length of the lower end of each supporting block is shorter than that of the upper end of each supporting block, so that the side surfaces of the supporting blocks form inclined surfaces.

Further, the unlocking piece extends forwards to form an extension arm positioned between the two matching parts, a hook part is arranged at the free end of the extension arm, and in the front-back direction, the distance between the first protruding rib and the second protruding rib is smaller than or equal to the length of the locking part, so that the hook part is always kept in the locking part.

Furthermore, insulating housing includes be used for with butt joint portion of mating connector grafting and certainly a barrel-shaped portion that butt joint portion extends backward, the diameter of barrel-shaped portion is less than the diameter of butt joint portion, the length of butt joint portion is less than or equal to 11.5mm, certainly the left and right sides of the top surface of butt joint portion upwards extends a spacing wall respectively, each spacing wall with form a spacing groove between the latch arm and be used for holding the cooperation portion, the length of bulge is greater than the half of connecting segment length.

Further, a plurality of front blocking portions and a plurality of rear blocking portions are arranged on the inner wall face of the cylindrical portion at intervals along the front-rear direction to limit displacement of the conductor along the front-rear direction, a first sealing ring and a second sealing ring are arranged on the periphery of the conductor along the front-rear direction at intervals, the first sealing ring is located in the cylindrical portion and located between the front blocking portions and the rear blocking portions to seal a gap between the inner wall of the cylindrical portion and the conductor, and the second sealing ring is located in the butt joint portion and used for achieving plug sealing with the butt connector.

On the other hand, the utility model discloses still can adopt following technological means:

an electrical connector, comprising:

at least one conductor;

the insulation shell comprises at least one terminal accommodating groove, the conductor is accommodated in the terminal accommodating groove, a lock catch arm integrally extends from the top surface of the insulation shell, the rear end of the lock catch arm is connected with the top surface of the insulation shell, so that at least one supporting section is formed at the rear end of the lock catch arm, the lock catch arm is provided with a connecting section which is connected with the supporting section, the left side and the right side of the connecting section are respectively provided with a protruding part in an outward protruding manner, and the front side of the connecting section is provided with a lock catch part for locking;

the unlocking piece is located on the latch arm and can slide from a first position to a second position along the front-back direction, the unlocking piece comprises a base part, a pressing part extends backwards from the base part, the left side and the right side of the base part are respectively provided with a matching part, each matching part comprises a side wall extending downwards from the base part and a bottom wall formed by inwards protruding the lower end of the side wall, each side wall, the bottom wall connected with the side wall and the bottom surface of the base part form a guide groove together, and the two protruding parts are respectively accommodated in the two guide grooves in a sliding manner;

when the unlocking piece is located at the first position, the pressing part is located above or in front of the supporting section, so that the pressing part is stopped by the upper wall surface of the supporting section in the up-and-down direction, when the unlocking piece is located at the second position, the pressing part exceeds the supporting section backwards, the pressing part is pressed downwards, the unlocking piece abuts against the lower surface of the protruding part through the upper surface of the bottom wall, and the front section of the unlocking piece tilts upwards and drives the connecting section to move upwards.

Further, the conductor is hollow and cylindrical, a central needle and an insulator are coaxially arranged in the conductor, the central needle is located in the insulator, the central needle is used for being electrically connected with a cable, the insulating shell is provided with a butt joint portion and a cylindrical portion extending backwards from the butt joint portion, the diameter of the cylindrical portion is smaller than that of the butt joint portion, the cable and the butt joint portion are arranged at 90 degrees, a plurality of front blocking portions and a plurality of rear blocking portions are arranged on the inner wall surface of the cylindrical portion at intervals in the front-back direction, a front convex portion and a rear convex portion are sequentially arranged on the outer surface of the conductor in the front-back direction, the front blocking portions block the front of the front convex portion, and the rear blocking portions block the rear of the rear convex portion.

Furthermore, the length of the butt joint part is less than or equal to 11.5mm, a limiting wall extends upwards from the left side and the right side of the top surface of the butt joint part respectively, a limiting groove is formed between each limiting wall and the lock catch arm to accommodate the matching part, and the length of the protruding part is greater than one half of the length of the connecting part.

Further, an opening has been seted up backward to the hasp arm, the opening is located the rear of hasp portion, insulating housing's top surface corresponds open-ended below is equipped with first abrupt rib and a second abrupt rib that has the arc surface structure from preceding backward in proper order, the bottom surface of basal portion is protruding downwards and is established a pivot portion, pivot portion is located press the splenium the place ahead and insert and locate the opening, the lower extreme of pivot portion has a pivot groove of arc concave surface unlocking piece when being in the first position, the pivot groove with first abrupt rib cooperatees with spacingly unlocking piece when unlocking piece is in the second position, the pivot groove with second abrupt rib cooperatees, when pressing the splenium, unlocking piece is around insulating housing is rotatory, makes cooperation portion upwards deflect and drive bulge with the linkage segment upwards displacement.

Compared with the prior art, the utility model discloses following beneficial effect has: the rear end of the latch arm is connected with the top surface of the insulating shell to form the supporting section, the latch arm is provided with the connecting section connected with the supporting section, the rear end of the latch arm is not provided with a pressing part, so that the length of the insulating shell can be shorter, the connector is miniaturized, the top of the unlocking piece is provided with the pressing part, the unlocking piece is located at a first position, the pressing part is located above the supporting section, the pressing part is blocked by the upper wall surface of the supporting section in the up-down direction, a user cannot press the pressing part downwards, and accidental separation of the electric connector and the mating connector due to mistaken touch is avoided; because the unlocking piece with the hasp arm is split type design, just the length of hasp arm is shorter, consequently with hasp arm complex the length of the corresponding design of the length of unlocking piece is shorter, makes when unlocking piece moves backward to the second position from primary importance, press the splenium backward displacement extremely support the rear of section, the cooperation portion of unlocking piece with the bulge portion cooperate in order to incite somebody to action the unlocking piece with the hasp arm is connected as a whole, the hasp arm with support the section as the fulcrum, press downwards press the splenium, cooperation portion drives linkage segment upward displacement can drive the hasp arm with unblock to joining in marriage the connector, make the simple structure of electric connector, the unblock is convenient.

[ description of the drawings ]

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

fig. 2 is a perspective assembly view of the electrical connector of the present invention;

FIG. 3 is a front view of the electrical connector of FIG. 2;

fig. 4 isbase:Sub>A cross-sectional view taken alongbase:Sub>A directionbase:Sub>A-base:Sub>A in fig. 3 when the unlocking member is in the first position in the locked state of the electrical connector and the mating connector according to the present invention;

fig. 5 isbase:Sub>A schematic cross-sectional view taken alongbase:Sub>A linebase:Sub>A-base:Sub>A in fig. 3 after the unlocking member of the present invention is inbase:Sub>A second position and the electrical connector is unlocked from the mating connector;

FIG. 6 is a perspective partial cross-sectional view of the unlocking member of FIG. 1 mounted to the insulating housing and in a second position;

FIG. 7 is a perspective view of the insulating housing of FIG. 1;

fig. 8 is a perspective view of the unlocking member of fig. 1.

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

electrical connector 100	Insulating housing 1	Terminal housing groove 11	Butt joint part 12
				Cylindrical portion 13	Front stop part 131	Backstop 132	Latch arm 14
Support section 141	Connecting segment 142	Locking part 1421	Opening 1421a
				Front wall 1421b	Rear wall 1421c	Projection	1422	Opening 143
First ribs 15	Second ribs 16	Limiting wall 17	Limiting groove 171
				Unlocking part 2	Base 21	Pressing part 211	Pivot 212
Support block 2121	Connecting block 2122	Pivoting slot 2123	Extension arm 213
				Hook 2131	Mating portion 214	Side wall 2141	Bottom wall 2142
Guide groove 2143	Conductor 3	Front convex part 31	Rear convex part 32
				Insulator 4	Centre needle 5	First seal ring 6	Second seal ring 7
Cable 8	Mating connector 9

[ detailed description ] embodiments

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or component must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the electrical connector 100 of the present invention is adapted to be inserted into a pair of connectors 9 along the front and rear directions, and includes an insulating housing 1, an unlocking member 2 installed in the insulating housing 1, at least one conductor 3 accommodated in the insulating housing 1, an insulator 4 located in the conductor 3, a center pin 5 located in the insulator 4, and a first seal ring 6 and a second seal ring 7 sequentially disposed in the periphery of the conductor 3 along the front and rear directions.

As shown in fig. 1 to 7, the insulating housing includes a terminal receiving groove 11 extending in the front-rear direction, and the terminal receiving groove 11 is configured to receive the conductor 3. A latch arm 14 integrally extends from the top surface of the insulating housing 1, the latch arm 14 is located above the top surface of the insulating housing 1, the latch arm 14 is rearwardly provided with an opening 143, specifically, the rear end of the latch arm 14 is connected to the top surface of the insulating housing 1 so that the rear end of the latch arm 14 forms two support sections 141, the latch arm 14 has a connecting section 142 connected to the support sections 141 so that the two support sections 141 are commonly connected to the connecting section 142, and the two support sections 141 are spaced apart from each other in the left-right direction by the opening 143. The connecting section 142 is disposed in the front-rear direction, the supporting section 141 is disposed in the up-down direction, and the connecting section 142 extends forward from the supporting section 141, i.e., the latch arm 14 does not extend rearward with any structure for the user to press downward, so that the length of the latch arm 14 is short. The insulating housing 1 includes a mating portion 12 for mating with the mating connector 9 and a cylindrical portion 13 extending rearward from the mating portion 12, the diameter of the cylindrical portion 13 is smaller than that of the mating portion 12, so as to reduce the volume of the insulating housing 1, and the inner wall surface of the cylindrical portion 13 is provided with a plurality of front stop portions 131 and a plurality of rear stop portions 132 arranged at intervals in the front-rear direction to limit the displacement of the conductor 3 in the front-rear direction.

The length of the abutting portion 12 is limited to 11mm ± 0.5mm (of course, in other embodiments, the length of the abutting portion 12 may be less than 11mm, and is not limited herein), a limiting wall 17 extends upwards from each of the left and right sides of the top surface of the abutting portion 12, and a limiting groove 171 is formed between each limiting wall 17 and the latch arm 14. The left side and the right side of the connecting section 142 are respectively provided with a protruding part 1422 in an outward protruding manner, the length of the protruding part 1422 is greater than one half of the length of the connecting section 142, and the upper surface and the lower surface of each protruding part 1422 are both flat surfaces; an opening 1421a is formed through the front side of the connecting segment 142 in the vertical direction, the opening 1421a has a front wall 1421b and a rear wall 1421c opposite to each other, the opening 1421a, the front wall 1421b and the rear wall 1421c form a locking portion 1421 together, the electrical connector 100 is locked and fixed with the mating connector 9 through the locking portion 1421, and the opening 143 is located behind the locking portion 1421. A first rib 15 and a second rib 16 are sequentially arranged on the top surface of the insulating housing 1 from front to back corresponding to the lower part of the opening 143, the first rib 15 and the second rib 16 are upwardly exposed at the opening 143, and the first rib 15 and the second rib 16 both have circular arc surface structures.

As shown in fig. 1, 2, 6, and 8, the unlocking member 2 is located on the latch arm 14 and can slide along the front-back direction, the top of the unlocking member 2 has a pressing portion 211, the left and right sides of the unlocking member 2 are respectively provided with a matching portion 214, the matching portion 214 is located in the limiting groove 171, specifically, the unlocking member 2 includes a base portion 21, the left and right sides of the base portion 21 respectively form the matching portion 214, the pressing portion 211 extends backward from the base portion 21, both the matching portions 214 include a sidewall 2141 extending downward from the base portion 21 and a bottom wall 2142 formed by protruding inward from the sidewall 2141, that is, the lower end of the sidewall 2141 protrudes toward the other matching portion 214 to form the bottom wall 2142, each of the sidewalls 2141, the bottom wall 2142 connected thereto and the bottom surface of the base portion 21 together form a guiding groove 2143, and the two protruding portions 1422 are respectively slidably received in the two guiding grooves 2143. The unlocking member 2 extends forward to form an extension arm 213, specifically, the extension arm 213 extends forward from the base portion 21, the extension arm 213 is located between the two engaging portions 214, and a hook portion 2131 is provided at a free end of the extension arm 213. The bottom surface of the unlocking member 2 is protruded with a pivoting portion 212, specifically, the bottom surface of the base 21 is protruded with the pivoting portion 212, the pivoting portion 212 is located in front of the pressing portion 211, the pivoting portion 212 is located below the connecting section 142 when the unlocking member 2 is installed in the insulation housing 1, the fitting portion 214 surrounds the connecting section 142, the rest of the unlocking member 2 is located above the latch arm 14, and the pivoting portion 212 is inserted into the opening 143, the lower end of the pivoting portion 212 has a pivoting groove 2123, the pivoting portion 212 has an arc concave structure, specifically, the pivoting portion 212 includes two support blocks 2121 spaced apart in the left and right direction, the lower ends of the two support blocks 2121 are connected to a connecting block 2122 together, the lower end of the connecting block 2122 is concavely formed with the pivoting groove 2123, and the length of the lower end of each support block 2121 is shorter than the length of the upper end in the front and rear direction so that the side surfaces of the support block 2121 are formed as inclined surfaces.

As shown in fig. 4-5, when the electrical connector 100 is locked with the mating connector 9, the unlocking member 2 is in a first position, at this time, the pivoting groove 2123 of the pivoting portion 212 cooperates with the first protruding rib 15 to limit the unlocking member 2, and the pressing portion 211 is located above the supporting section 141 (of course, in other embodiments, when the pressing portion 211 has a smaller volume, the pressing portion 211 is located in front of the supporting section 141, which is not limited herein), so that the pressing portion 211 is blocked by the upper wall surface of the supporting section 141 in the up-down direction, and a user cannot press the pressing portion 211 downwards, thereby avoiding accidental disengagement of the electrical connector 100 and the mating connector 9 due to accidental contact. When the unlocking member 2 moves backward from the first position to the second position, at this time, the pivoting groove 2123 of the pivoting part 212 moves backward from the first protruding rib 15 to the second protruding rib 16 and engages with the second protruding rib 16, and the unlocking member 2 is restrained at the second position in the front-rear direction, so that the pivoting part 212 of the unlocking member 2 can be pivoted to the insulating housing 1. Because the unlocking member 2 is located on the latch arm 14, most of the unlocking member 2 is located above the latch arm 14 and exposed outside the insulating housing 1, the pivot portion 212 is located in the opening 143, and the opening 143 provides a rotating space for the unlocking member 2, so that the unlocking member 2 can rotate relative to the insulating housing 1, thereby driving the latch arm 14 to move upwards. The pressing portion 211 is displaced backward to the rear of the supporting section 141, the connecting section 142 and the supporting section 141 do not block the pressing portion 211 in the up-down direction, the engaging portion 214 is at least partially located below the protruding portion 1422, specifically, the bottom wall 2142 is located below the protruding portion 1422, the hook portion 2131 abuts against the rear wall 1421c, so as to ensure that the unlocking member 2 does not get away from the latch arm 14 backward, in the front-back direction, the unlocking member 2 is always located within the length range of the insulating housing 1, so as to ensure that the unlocking member 2 does not occupy more area for accommodating the pressing portion 211 of the unlocking member 2 when the electrical connector 100 is installed in other equipment, and the unlocking member 2 does not exceed the insulating housing 1 backward and occupies more area for accommodating the pressing portion 211 of the unlocking member 2; when the pressing portion 211 is pressed downward, so that the unlocking member 2 can rotate relative to the insulating housing 1, and the matching portion 214 drives the latch arm 14 to move upward, specifically, when the pressing portion 211 is pressed downward, the bottom wall 2142 of each matching portion 214 abuts against the lower surface of the corresponding protrusion 1422 upward, so that the lower surface of the protrusion 1422 abuts against the bottom wall 2142 in a plane, so that the abutting contact area is larger, the sliding is more stable, the protrusion 1422 is not easily separated from the guide groove 2143, at this time, the unlocking member 2 rotates around the insulating housing 1, the pivoting portion 212 supports the unlocking member 2 in the rotating process and serves as a lever fulcrum, so that the matching portion 214 can be levered up in a labor-saving manner when the pressing portion 211 is pressed downward, so that the matching portion 214 deflects upward and drives the protrusion 1422 and the connecting section 142 to move upward, and the arc surface structures of the first protruding rib 15 and the second protruding rib 16 can reduce the wear of the unlocking member 2, improve the service life of the electrical connector 100, and prolong the service life of the electrical connector 100 and unlock the connector 9. In the front-rear direction, the distance between the first rib 15 and the second rib 16 is smaller than the length of the locking part 1421, so that the hook portion 2131 is always kept in the locking part 1421, and the hook portion 2131 is prevented from moving forward beyond the locking part 1421 and being located in front of the connecting segment 142, thereby affecting the butt joint of the mating connector 9, and meanwhile, the problem that the unlocking element 2 falls off from the locking arm 14 due to the fact that the hook portion 2131 moves backward beyond the locking part 1421 can be avoided.

As shown in fig. 4 and 5, the conductor 3 is hollow and cylindrical, the conductor 3 is accommodated in the terminal accommodating groove 11, a front protrusion 31 and a rear protrusion 32 are sequentially arranged on the outer surface of the conductor 3 in the front-rear direction, the front stop portion 131 stops the front of the front protrusion 31, and the rear stop portion 132 stops the rear of the rear protrusion 32.

As shown in fig. 4 and 5, the first sealing ring 6 and the second sealing ring 7 are arranged at intervals along the front-rear direction on the periphery of the conductor 3, the first sealing ring 6 is located in the cylindrical portion 13 and located between the front blocking portion 131 and the rear blocking portion 132 to seal a gap between the inner wall of the cylindrical portion 13 and the conductor 3, and the second sealing ring 7 is located in the abutting portion 12 and used for realizing plug-in sealing with the mating connector 9, so that the waterproof performance of the electrical connector 100 is ensured, and moisture is prevented from entering the interior of the electrical connector 100 and damaging internal devices.

As shown in fig. 2, 4 and 5, the electrical connector 100, preferably the FAKRA connector, includes a coaxial central pin 5 and an insulator 4 in the conductor 3, the central pin 5 is located in the insulator 4, the central pin 5 is used to electrically connect to a cable 8, the central pin 5 is electrically connected to a core wire of the cable 8, the conductor 3 is electrically connected to a shielding layer of the cable 8, and the cable 8 is disposed at 90 ° to the butt-joint portion 12, so as to further shorten the length of the insulating housing 1.

The molding process of the electrical connector 100 will be described below.

To sum up, the utility model discloses an electric connector 100 has following beneficial effect:

1. the rear end of the latch arm 14 is connected with the top surface of the insulating housing 1 to form the supporting section 141, the latch arm 14 has the connecting section 142 connected with the supporting section 141, the rear end of the latch arm 14 is not provided with the pressing portion 211, so that the length of the insulating housing 1 can be shorter, the connector is miniaturized, the top of the unlocking piece 2 is provided with the pressing portion 211, the unlocking piece 2 is located at the first position, the pressing portion 211 is located above the supporting section 141, so that the pressing portion 211 is blocked by the upper wall surface of the supporting section 141 in the up-down direction, a user cannot press the pressing portion 211 downwards, and accidental separation of the electrical connector 100 and the mating connector 9 due to mistaken touch is avoided; because unlocking piece 2 with hasp arm 14 is split type design, just the length of hasp arm 14 is shorter, consequently with hasp arm 14 complex the length of corresponding design of unlocking piece 2 is shorter also, makes unlocking piece 2 from primary importance backward movement to the second place time, it reaches to press the portion 211 backward the rear of support section 141, the cooperation portion 214 of unlocking piece 2 with bulge 1422 cooperate with unlocking piece 2 with hasp arm 14 is connected as a whole, hasp arm 14 with support section 141 is the fulcrum, presses down the portion 211 is pressed, cooperation portion 214 drives linkage segment 142 upwards displacement can drive hasp arm 14 with unblock joining in marriage connector 9, makes electrical connector 100's simple structure, the unblock is convenient.

2. The latch arm 14 is provided with the opening 143 in a backward direction, the top surface of the insulating housing 1 corresponding to the lower portion of the opening 143 is provided with the first protruding rib 15 and the second protruding rib 16 in sequence from front to back, the first protruding rib 15 and the second protruding rib 16 both have circular arc surface structures, so that the unlocking piece 2 is in the first position, the pivot groove 2123 of the pivot part 212 cooperates with the first protruding rib 15 to limit the unlocking piece 2, when the unlocking piece 2 is in the second position, the pivot groove 2123 of the pivot part 212 cooperates with the second protruding rib 16, the unlocking piece 2 rotates around the insulating housing 1, the pivot part 212 supports the unlocking piece 2 in a rotating process and serves as a lever, so that the fitting part 214 can be levered up in a labor-saving manner when the unlocking piece 211 is pressed down, the fitting part 214 can smoothly drive the connecting section 142 to move up, and the wear degree of the circular arc surface structures of the first protruding rib 15 and the second protruding rib 16 can reduce the wear degree of the pressing part 2, and the service life of the electric connector 100 can be prolonged.

3. The extension arm 213 is located between the two fitting portions 214, the free end of the extension arm 213 is provided with the hook portion 2131, when the unlocking piece 2 moves backward from the first position to the second position, the hook portion 2131 abuts against the rear wall 1421c, so as to ensure that the unlocking piece 2 does not disengage from the latch arm 14 backward, the fitting portion 214 is always located below the protruding portion 1422, the fitting portion 214 does not exceed the protruding portion 1422 backward, and it is ensured that the unlocking piece 2 does not move backward in a transition manner, so that the fitting portion 214 can drive the front section of the latch arm 14 to move upward, and the latch portion 1421 and the mating connector 9 are unlocked.

4. In the front-rear direction, the length of the lower end of each support block 2121 is shorter than the length of the upper end of the support block 2121, so that the lower end of the support block 2121 forms an abdicating space for the pivot part 212 to rotate around the second protruding rib 16, and the influence of the lower end of the support block 2121 touching the top surface of the insulating housing 1 on the rotation of the unlocking part 2 and thus on the unlocking of the connector and the butting connector is avoided, and the length of the lower end of each support block 2121 is shorter than the length of the upper end so that the side surface of the support block 2121 forms an inclined surface, so that on the premise that the pivot part 212 smoothly rotates around the second protruding rib 16, the strength between the pivot part 212 and the base part 21 is enhanced, and the problem that the unlocking part 2 is broken under external force pressing is avoided.

5. In the front-rear direction, the distance between the first rib 15 and the second rib 16 is smaller than the length of the locking part 1421, so that the hook portion 2131 is always kept in the locking part 1421, the hook portion 2131 is prevented from moving forward beyond the locking part 1421 and being located in front of the connecting segment 142, thereby affecting the butt joint of the mating connector 9, and meanwhile, the problem that the unlocking piece 2 falls off from the locking arm 14 due to the fact that the hook portion 2131 moves backward beyond the locking part 1421 can be avoided.

6. The insulating housing 1 comprises the butting part 12 for plugging with the mating connector 9 and the cylindrical part 13 extending backwards from the butting part 12, and the length of the butting part 12 is less than or equal to 11mm +/-0.5 mm, so that the electric connector 100 is shorter and miniaturized; the limiting walls 17 extend upwards from the left side and the right side of the top surface of the abutting portion 12, the limiting groove 171 is formed between each limiting wall 17 and the latch arm 14, so that the matching portion 214 is always located in the limiting groove 171 to limit the matching portion 214 in the left-right direction, the protruding portion 1422 is arranged on the left side and the right side of the connecting section 142 in an outward protruding mode, the length of the protruding portion 1422 is greater than one half of the length of the connecting section 142, the matching portion 214 is guaranteed to be longer in sliding fit with the protruding portion 1422, and the unlocking member 2 slides more stably.

7. The upper surface and the lower surface of each protrusion 1422 are both flat surfaces, when the pressing portion 211 is pressed downward, the bottom wall 2142 of each matching portion 214 abuts against the corresponding lower surface of the protrusion 1422 upward, the lower surface of the protrusion 1422 abuts against the bottom wall 2142 in a flat surface manner, so that the abutting contact area is larger, the sliding is more stable, and the protrusion 1422 is not easy to disengage from the guide groove 2143.

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 (13)

1. An electrical connector for mating with a mating connector in a front-to-back direction, comprising:

at least one conductor;

the insulating shell comprises at least one terminal accommodating groove, the conductor is accommodated in the terminal accommodating groove, a lock catch arm integrally extends from the top surface of the insulating shell, the rear end of the lock catch arm is connected with the top surface of the insulating shell, so that at least one supporting section is formed at the rear end of the lock catch arm, the lock catch arm is provided with a connecting section connected with the supporting section, the left side and the right side of the connecting section are respectively provided with a protruding part in an outward protruding manner, and the front side of the connecting section is provided with a lock catch part used for locking the mating connector;

an unlocking piece, unlocking piece is located on the latch arm, and can slide along the fore-and-aft direction, the top of unlocking piece has one and presses the splenium, the left and right sides of unlocking piece is equipped with a cooperation portion respectively, works as the electric connector with when joining in marriage the connector locking, unlocking piece is in the primary importance, press the splenium to be located support section's top or the place ahead, make press the splenium in the upper and lower direction by support section's last wall stop, work as unlocking piece is from primary importance rearward movement to the second place, press the position move to support section's rear, cooperation portion at least part is located the protrusion below presses down press the splenium to make cooperation portion drive protrusion with linkage segment upward displacement, make locking portion with join in marriage the connector unblock.

2. The electrical connector of claim 1, wherein: the unlocking piece comprises a base part, the pressing part extends backwards from the base part, the matching parts comprise a side wall extending downwards from the base part and a bottom wall formed by the inward protruding of the side wall, each side wall, the bottom wall connected with the side wall and the bottom surface of the base part form a guide groove together, the protruding parts are contained in the guide grooves in a sliding mode respectively, and when the unlocking piece is located at the second position, each bottom wall abuts upwards to correspond to the lower surface of the protruding part.

3. The electrical connector of claim 2, wherein: each upper surface and the lower surface of bulge are the plane, the lower surface of bulge with the diapire is plane butt.

4. The electrical connector of claim 1, wherein: unlocking piece extends an extension arm forward and is located two between the cooperation portion, the front side of linkage segment is followed and is run through along upper and lower direction and is equipped with an trompil, the trompil has a relative antetheca and a back wall, the trompil with the antetheca and back wall forms jointly hasp portion, the free end of extension arm is equipped with a hook portion, hook portion is located in the trompil, works as unlocking piece backward movement to the second position, hook portion butt in the back wall.

5. The electrical connector of claim 1, wherein: an opening has been seted up backward to the hasp arm, the opening is located the rear of hasp portion, insulating housing's top surface corresponds open-ended below is equipped with a first abrupt rib and a second abrupt rib that has the arc surface structure from preceding backward in proper order, the bottom surface of deblocking spare is protruding to establish a pivot portion downwards, pivot portion is located suppress the portion the place ahead and insert and locate the opening, the lower extreme of pivot portion has a pivot groove of arc concave surface when deblocking spare is in the primary importance, the pivot groove with first abrupt rib cooperatees with spacing deblocking spare when deblocking spare is in the second place, the pivot groove with second abrupt rib cooperatees, presses down suppress the portion, deblocking spare winds insulating housing is rotatory, makes cooperation portion upwards deflect and drive the bulge with the linkage segment displacement that makes progress.

6. The electrical connector of claim 5, wherein: the pivoting part comprises two supporting blocks which are arranged at intervals along the left and right, the lower ends of the two supporting blocks are connected with a connecting block together, the lower end of the connecting block is concavely provided with the pivoting groove, and in the front and rear direction, the length of the lower end of each supporting block is shorter than that of the upper end of each supporting block, so that the side surfaces of the supporting blocks form inclined surfaces.

7. The electrical connector of claim 5, wherein: the unlocking piece extends forwards to form an extension arm positioned between the two matching parts, a hook part is arranged at the free end of the extension arm, and in the front-back direction, the distance between the first protruding rib and the second protruding rib is smaller than or equal to the length of the locking part, so that the hook part is always kept in the locking part.

8. The electrical connector of claim 1, wherein: insulating housing including be used for with the butt joint portion of joining in marriage the connector grafting and certainly a barrel-shaped portion that butt joint portion extends backward, the diameter of barrel-shaped portion is less than the diameter of butt joint portion, the length of butt joint portion is less than or equal to 11.5mm, certainly the left and right sides of the top surface of butt joint portion upwards extends a spacing wall respectively, each spacing wall with form a spacing groove between the hasp arm and be used for holding the cooperation portion, the length of bulge is greater than the half of connecting segment length.

9. The electrical connector of claim 8, wherein: the inner wall surface of the cylindrical part is provided with a plurality of front stopping parts and a plurality of rear stopping parts which are arranged at intervals along the front-rear direction so as to limit the displacement of the conductor along the front-rear direction together, the periphery of the conductor is provided with a first sealing ring and a second sealing ring at intervals along the front-rear direction, the first sealing ring is positioned in the cylindrical part and positioned between the front stopping parts and the rear stopping parts so as to seal a gap between the inner wall of the cylindrical part and the conductor, and the second sealing ring is positioned in the butt joint part and used for realizing the plug-in sealing with the butt-joint connector.

10. An electrical connector, comprising:

at least one conductor;

the insulating shell comprises at least one terminal accommodating groove, the conductor is accommodated in the terminal accommodating groove, a lock catch arm integrally extends from the top surface of the insulating shell, the rear end of the lock catch arm is connected with the top surface of the insulating shell, so that at least one supporting section is formed at the rear end of the lock catch arm, the lock catch arm is provided with a connecting section connected with the supporting section, the left side and the right side of the connecting section are respectively provided with a protruding part in an outward protruding mode, and the front side of the connecting section is provided with a lock catch part for locking;

an unlocking piece, the unlocking piece is located on the latch arm and can slide to a second position from a first position along the front-back direction, the unlocking piece comprises a base part, a pressing part extends backwards from the base part, the left side and the right side of the base part are respectively provided with a matching part, each matching part comprises a side wall extending downwards from the base part and a bottom wall formed by inward protruding arrangement of the lower end of the side wall, each side wall, the bottom wall connected with the side wall and the bottom surface of the base part jointly form a guide groove, and the two protruding parts are respectively contained in the two guide grooves in a sliding way,

when the unlocking piece is located at the first position, the pressing part is located above or in front of the supporting section, so that the pressing part is stopped by the upper wall surface of the supporting section in the up-and-down direction, when the unlocking piece is located at the second position, the pressing part exceeds the supporting section backwards, the pressing part is pressed downwards, the unlocking piece abuts against the lower surface of the protruding part through the upper surface of the bottom wall, and the front section of the unlocking piece tilts upwards and drives the connecting section to move upwards.

11. The electrical connector of claim 10, wherein: the cable comprises a conductor and is characterized in that the conductor is hollow and cylindrical, a central needle and an insulator are coaxially arranged in the conductor, the central needle is located in the insulator and is used for being electrically connected with a cable, the insulating shell is provided with a butt joint part and a cylindrical part extending backwards from the butt joint part, the diameter of the cylindrical part is smaller than that of the butt joint part, the cable and the butt joint part are arranged at 90 degrees, a plurality of front stopping parts and a plurality of rear stopping parts are arranged on the inner wall surface of the cylindrical part at intervals in the front-back direction, a front convex part and a rear convex part are sequentially arranged on the outer surface of the conductor in the front-back direction, the front stopping parts stop the front of the front convex part, and the rear stopping parts stop the rear of the rear convex part.

12. The electrical connector of claim 11, wherein: the length of the butt joint part is less than or equal to 11.5mm, a limiting wall extends upwards from the left side and the right side of the top surface of the butt joint part respectively, a limiting groove is formed between each limiting wall and the lock catch arm to accommodate the matching part, and the length of the bulge part is greater than one half of the length of the connecting part.

13. The electrical connector of claim 10, wherein: an opening has been seted up backward to the hasp arm, the opening is located the rear of hasp portion, insulating housing's top surface corresponds open-ended below is equipped with a first abrupt rib and a second abrupt rib that has the arc surface structure from preceding backward in proper order, the bottom surface of basal portion is protruding downwards and is established a pivot portion, pivot portion is located press the portion the place ahead and insert and locate the opening, the lower extreme of pivot portion has a pivot groove of arc concave surface when the unlocking piece is in the primary importance, the pivot groove with first abrupt rib cooperatees with spacing the unlocking piece when the unlocking piece is in the second place, the pivot groove with second abrupt rib cooperatees, when pressing the portion, the unlocking piece winds insulating housing is rotatory, makes the cooperation portion upwards deflect and drive the bulge with the linkage segment displacement that makes progress.

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