CN218351767U - Electrical connector - Google Patents

Abstract

The utility model discloses an electric connector includes that insulator establishes the terminal groove along the first direction is concave, insulator's accepting groove includes along the concave first slot and the at least one second slot of establishing of second direction, the internal face from first slot is close to its opening part and convexly establishes the dog, the internal face from the second slot is close to its opening part and convexly establishes first arch, the setting element is along first inserted bar and the at least one second inserted bar that third direction interval set up, the terminal of first inserted bar is convexly established first trip, establish second trip and first trip along the first direction each other from the terminal of second inserted bar is protruding, when the setting element is in the prelock position, the dog is blocked in the outside of first trip, first protruding block is blocked in the outside of second trip, the terminal can insert or withdraw from the groove along the first direction, when being in the final lock position, second trip and insulator block cooperation, first inserted bar and second inserted bar correspond with the blocked face of terminal and prevent that terminal from withdrawing from the terminal groove, effectively avoid setting element and insulator to withdraw from.

Description

Electrical connector with improved contact arrangement

[ technical field ] A

The utility model relates to an electric connector especially relates to an electric connector for automobile-used.

[ background of the invention ]

The existing electric connector comprises an insulating body, a plurality of terminals and a terminal locking piece, wherein the insulating body is provided with a plurality of terminal grooves extending along the front-back direction, the terminal grooves are provided with a plurality of rows, a containing groove and a plurality of terminal grooves are further formed in the side surface of the insulating body, the terminal locking piece is provided with a plurality of insertion rods, and the plurality of insertion rods are inserted into the containing groove through one-time installation and are pulled out once when the terminals need to be replaced. When the terminal locking piece is completely pulled out of the insulating body, a plurality of terminals can be assembled to the plurality of terminal grooves in a one-to-one correspondence mode, when the terminal locking piece is located at the locking position, namely when the terminal locking piece is completely inserted into the accommodating groove, the plurality of inserting rods of the terminal locking piece correspond to the plurality of rows of terminals in a one-to-one correspondence mode to limit the terminals, and the plurality of rows of terminals are prevented from retreating from the terminal grooves. Because when the terminal locking piece is pulled out completely during insulator, the terminal locking piece with insulator is in the separation state, and because the terminal locking piece volume is less, consequently the terminal locking piece is lost easily, makes electric connector structure is incomplete, makes electric connector can not normal use, and every time needs to be replaced during the terminal, all need with the terminal locking piece is pulled out completely insulator, consequently, need again at every turn the terminal locking piece reinserts the holding tank has increased loaded down with trivial details operating procedure.

In order to solve the above problem, a person skilled in the art generally sets a hook at the end of the insertion rod, and when the terminal locking member is in the pre-locking position, the hook hooks the port of the receiving groove to prevent the terminal locking member from completely exiting the receiving groove. However, since the length of the insertion rod is long, and a certain assembly gap is formed between the insertion rod and the accommodating groove, the terminal locking member is prone to shaking and displacement, and the hook is located at the tail end of the insertion rod and is protruded towards only one direction to be blocked with the port of the accommodating groove, so that the hook is prone to tripping from the port of the accommodating groove, and it cannot be guaranteed that the terminal locking member can be stably connected with the insulating body when the terminal locking member is in the pre-locking position.

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

[ Utility model ] content

An object of the utility model is to provide an electric connector that first trip and dog stop are established along the first direction is protruding from the end of first inserted bar, from the end of second inserted bar along the first direction is protruding establish second trip and first protruding stop, the opposite direction that first trip and second trip are protruding to be established makes the setting element difficult for withdrawing from insulator when the prelock position in order to guarantee that electric connector structure is complete, be convenient for operate.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric connector comprises an insulating body, wherein a plurality of terminal grooves are concavely arranged on the insulating body along a first direction, an accommodating groove is concavely arranged from the insulating body, the accommodating groove comprises a first slot and at least one second slot which are concavely arranged along a second direction vertical to the first direction, the first slot and the second slot are communicated with the terminal grooves, a stop block is convexly arranged on the inner wall surface of the first slot close to the opening of the first slot, a first bulge is convexly arranged on the inner wall surface of the second slot close to the opening of the second slot, and the direction of the stop block is opposite to the direction of the first bulge; the terminals are correspondingly inserted into the terminal grooves one by one, and each terminal is provided with a blocked surface; a positioning piece is inserted into the accommodating groove and can move between a pre-locking position and a final locking position along a second direction, the positioning piece comprises a base part, a first inserted bar and at least one second inserted bar extend from the base part along the second direction, the first inserted bar and the second inserted bar are arranged at intervals along a third direction perpendicular to the first direction and the second direction, a first clamping hook is convexly arranged at the tail end of the first inserted bar, a second clamping hook is convexly arranged at the tail end of the second inserted bar, and the first clamping hook and the second clamping hook are deviated from each other along the first direction; when the positioning piece is in a pre-locking position, the tail end of the first insertion rod is located in the first slot, the stop block is stopped at the outer side of the first clamping hook, the tail end of the second insertion rod is located in the second slot, the first bulge is stopped at the outer side of the second clamping hook, the terminal can be inserted into or withdrawn from the terminal slot along a first direction, when the positioning piece is in a final locking position, the second clamping hook is in stop fit with the insulating body, and the first insertion rod and the second insertion rod are correspondingly in stop fit with the stopped surfaces of the terminals to prevent the terminal from being withdrawn from the terminal slot.

Furthermore, a second protrusion arranged at an interval with the first protrusion is convexly arranged on the inner wall surface of the second slot close to the opening of the second slot, when the positioning element is in the pre-locking position, the second hook is located between the first protrusion and the second protrusion, and the second protrusion is blocked at the inner side of the second hook to prevent the second hook from being further inserted into the second slot.

Furthermore, the number of the second inserting rods is two, the number of the second inserting grooves is two, the first inserting rods are located between the two second inserting rods along the third direction, the length of each second inserting rod is larger than that of the first inserting rod, and when the positioning piece is located at the pre-locking position, the insulating body blocks the upper surface and the lower surface of the first inserting rod.

Further, the plurality of terminals are arranged in four rows in a third direction, each terminal is provided with a protruding wire connecting portion, the wire connecting portion of the terminal in the first row and the wire connecting portion of the terminal in the second row are arranged in a deviating manner along the third direction, the wire connecting portion of the terminal in the third row and the wire connecting portion of the terminal in the fourth row are arranged in a deviating manner, the wire connecting portions of the terminals in the second row and the third row are arranged in a facing manner, the first plug rod comprises a first main body portion and two first blocking portions, the first main body portion is arranged between the two first blocking portions along the third direction, the thickness of each first blocking portion is larger than that of the first main body portion along the first direction, the second plug rod comprises two plug rods, each second plug rod comprises a second main body portion, a second blocking portion is arranged in a protruding manner from each second main body portion towards the first blocking portion, and the blocking surfaces of the second blocking portion and the fourth blocking portion of the terminal in the third row are blocked by the two blocking portions of the second blocking portions and the fourth blocking surfaces of the terminal in the second row.

Further, from the end of the first main body part extends along the second direction firstly and then is convexly established along the first direction the first trip, first trip and two first fender portion set up along the third direction interval, certainly the end of the second main body part extends along the second direction firstly and then is convexly established along the first direction the second trip, along the second direction, the second trip extremely the distance of basal portion is greater than the first trip extremely the distance of basal portion.

Furthermore, the first direction is the fore-and-aft direction, the second direction is the left-and-right direction, the third direction is upper and lower direction, insulator includes an insulating main part and assembles in a protecgulum of insulating main part front end, insulating main part with the protecgulum encloses jointly and establishes formation the accepting groove, the setting element clamp is located between insulating main part and the protecgulum, the dog certainly insulating main part is integrative protruding to establish and is formed, first arch certainly protecgulum is integrative protruding to establish and forms.

Further, the plurality of terminal grooves penetrate through the insulating main body in the front-back direction, a jack is concavely arranged at the front end of the front cover corresponding to each terminal groove backwards and located in front of each terminal groove, the jack is communicated with the terminal groove in the first direction and used for inserting a butt terminal, a plurality of accommodating grooves are concavely arranged at the front end of the front cover and located at one side of each jack in the third direction in a one-to-one correspondence mode, the accommodating grooves are communicated with the terminal grooves in the third direction, a locking beam is arranged in each accommodating groove and correspondingly and obliquely extends into the terminal groove, a groove is concavely arranged on the surface of each terminal, and when the terminal is completely inserted into the terminal groove, each locking beam correspondingly enters one groove to block the terminal and moves backwards.

Furthermore, at least one clamping block is convexly arranged on the side wall of the insulating main body, a clamping part extends backwards from the side wall of the front cover, a clamping hole penetrates through the clamping part, the clamping hole is communicated with the first slot and is clamped and matched with the clamping block after the front cover is assembled to the insulating main body, when the positioning piece is assembled to the insulating main body and is located at a final locking position, the first inserting rod penetrates through the clamping hole to be inserted into the first slot, and the first inserting rod blocks the front of the clamping part to prevent the front cover from being disengaged from the insulating main body.

Further, an operation space is concavely arranged on the side wall of the front cover, an operation part extends forwards from the base part, when the positioning piece is located at the final locking position, the base part is exposed on the outer surface of the insulation body, the operation part is contained in the operation space, and an operation gap is formed between the inner wall surface of the operation part and the wall surface of the operation space.

Furthermore, a blocking part is arranged at the tail end of the first inserted rod in a protruding mode backwards, the blocking part is located above the first clamping hook, a blocked part is arranged on the front cover in a protruding mode backwards, and when the positioning piece is located at the final locking position, the blocking part is blocked in front of the blocked part to prevent the front cover and the insulating main body from being disengaged.

Further, a waterproof ring is sleeved on the insulating main body and located behind the positioning piece, at least one concave portion is concavely arranged on the front edge of the waterproof ring, a protruding portion is convexly arranged backwards on the base portion, and when the positioning piece is located at a final locking position, the protruding portion is tightly matched with the concave portion.

Compared with the prior art, the baffle block is convexly arranged on the inner wall surface of the first slot close to the opening of the first slot, the first bulge is convexly arranged on the inner wall surface of the second slot close to the opening of the second slot, the direction of the baffle block is opposite to the direction of the first bulge, the first hook is convexly arranged at the tail end of the first inserted link, the second hook is convexly arranged at the tail end of the second inserted link, the first hook and the second hook are deviated from each other along the first direction, when the positioning piece is in the pre-locking position, the tail end of the first inserted link is positioned in the first slot, the baffle block is blocked at the outer side of the first hook, so that the positioning piece cannot retreat from the accommodating slot backwards, the positioning piece and the insulating body can be kept connected, and the tail end of the second inserted link is positioned in the second slot, the first bulge is blocked at the outer side of the second clamping hook, so that the connection between the positioning piece and the insulating body is further enhanced, and because the first clamping hook and the second clamping hook deviate from each other along the first direction, when the positioning piece shakes or moves along the first direction, at least one of the first clamping hook and the second clamping hook can be blocked more firmly, so that when the positioning piece is in a pre-locking position, the positioning piece can be stably connected with the insulating body, the problem of tripping of the positioning piece is effectively avoided, the structural stability of the electric connector is ensured, the electric connector can be normally used, the terminals can be replaced more simply, and the assembly difficulty of the electric connector is reduced.

[ description of the drawings ]

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

fig. 2 is a schematic perspective view of the positioning member of the electrical connector of the present invention not inserted into the receiving slot;

fig. 3 is a schematic perspective view of the positioning member of the electric connector of the present invention in a pre-locking position;

fig. 4 is a schematic perspective view of the positioning member of the electric connector of the present invention in the final locking position;

FIG. 5 is a front view of FIG. 3;

FIG. 6 is a front view of FIG. 4;

FIG. 7 isbase:Sub>A cross-sectional view taken along A-A of FIG. 5;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 9 is a cross-sectional view taken along the line C-C of FIG. 6;

FIG. 10 is a cross-sectional view taken along D-D of FIG. 6;

FIG. 11 is a cross-sectional view taken along the line E-E of FIG. 6;

FIG. 12 is a perspective view of a positioning member;

fig. 13 is a perspective assembly view of the positioning member and the front cover.

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

electrical connector 100	Insulating body 1	Insulating body 11	Stopper 111
				Latch 112	Step part 113	Spacing groove 114	Projection P
Front cover
	12	First protrusion 121	Second protrusion 122	Jack 123
Accommodating groove 124					Locking beam 125	Latch portion 126	Card hole 1261
	Operating space 127	Blocked portion 128	Terminal groove 13	Receiving groove 14
First slot 141					Second slot 142	Terminal 2	Butt joint part 21
	Is stoppedSurface 211	Groove 212	Wire connecting portion 22	Positioning piece 3
Base 31					First plunger 32	First body portion 321	First blocking part 322
	First hook 323	Blocking portion 324	Third hook 325	Second plunger 33
Second body portion 331					Second blocking part 332	Second hook 333	Operation unit 34
	Waterproof ring 4	Recess 41

[ detailed description ] embodiments

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 and 2, an electrical connector 100 of the present invention is an automotive connector, where the electrical connector 100 includes an insulating housing 1, a plurality of terminals 2 assembled to the insulating housing 1, a positioning member 3 for fixing the plurality of terminals 2, and a waterproof ring 4 annularly disposed on the insulating housing 1.

Referring to fig. 1, for convenience of understanding, a first direction is defined as an X-axis direction in an illustrated coordinate system, a second direction perpendicular to the first direction is a Y-axis direction in the illustrated coordinate system, a third direction perpendicular to the first direction and the second direction is a Z-axis direction in the illustrated coordinate system, in this embodiment, the first direction is a front-back direction, the second direction is a left-right direction, the third direction is an up-down direction, a forward direction along the first direction is defined as a positive X-axis direction, a leftward direction along the second direction is defined as a positive Y-axis direction, a direction along the third direction is defined as a positive Z-axis direction, and directions of the first direction, the second direction and the third direction may be interchanged in other embodiments.

Referring to fig. 1, 2 and 11, the insulation body 1 includes an insulation main body 11 and a front cover 12 assembled to a front end of the insulation main body 11 from front to back. The insulating main body 1 is provided with a plurality of terminal grooves 13 recessed in a first direction, the plurality of terminal grooves 13 penetrate the insulating main body 11 in the first direction and extend to the front end of the front cover 12, the plurality of terminal grooves 13 are arranged in four rows in a third direction, in this embodiment, the terminal grooves 13 are arranged in four rows, and in other embodiments, the terminal grooves 13 may be arranged in other rows than four rows. A receiving slot 14 is recessed from a side surface of the insulating body 1, the receiving slot 14 is located between the insulating main body 11 and the front cover 12, the receiving slot 14 is formed by the insulating main body 11 and the front cover 12 being enclosed together, the receiving slot 14 extends along a second direction, an extending direction of the receiving slot 14 is perpendicular to an extending direction of the terminal slot 13, the receiving slot 14 includes a first slot 141 and two second slots 142 recessed along the second direction, the two second slots 142 are respectively located at upper and lower sides of the first slot 141, the first slot 141 is located between and communicates with the middle two rows of the terminal slots 13, the second slot 142 located above the first slot 141 is located above the terminal slot 13 at the uppermost row, the second slot 142 located above the first slot 141 is communicated with the terminal slot 13 at the uppermost row, the second slot 142 located below the first slot 141 is located below the terminal slot 13 at the lowermost row, and the second slot 142 is located below the terminal slot 141 and communicates with the terminal slot 13 at the lowermost row.

Referring to fig. 1, fig. 2, and fig. 11, a side wall of the insulating main body 11 penetrates through an opening of the first slot 141 along a second direction, a stop 111 is protruded forward from the insulating main body 11 at the opening of the first slot 141, two latch blocks 112 are protruded from the side wall of the insulating main body 11, the two latch blocks 112 are spaced apart along a third direction, and the two latch blocks 112 are respectively located at upper and lower sides of the opening of the first slot 141. An annular step part 113 is radially and convexly arranged on the outer surface of the insulating main body 11, and when the front cover 12 is assembled to the insulating main body 11, a spacing groove 114 is formed between the rear end surface of the front cover 12 and the step part 113 so as to accommodate the waterproof ring 4. A plurality of projections P are projected from the front end surface of the stepped portion 113 toward the inside of the spacing groove 114, the projections P are provided at intervals in the circumferential direction, and the lower surfaces of the projections P and the upper surface of the insulating main body 11 are provided at intervals.

Referring to fig. 1, 7, 11 and 13, a first protrusion 121 and a second protrusion 122 are protruded from an inner wall surface of the opening of the second slot 142, the first protrusion 121 and the second protrusion 122 are protruded backward from a rear surface of the front cover 12, the first protrusion 121 and the second protrusion 122 are spaced apart from each other along a second direction, the first protrusion 121 is closer to the opening of the second slot 142 than the second protrusion 122, and the first protrusion 121 and the second protrusion 122 are protruded opposite to the stopper 111. In this embodiment, the stopper 111 protrudes from the insulating main body 11, and the first protrusion 121 and the second protrusion 122 both protrude from the front cover 12, in other embodiments, the structures of the insulating main body 11 and the front cover 12 may be adjusted such that the stopper 111 is disposed on the front cover 12, and the first protrusion 121 and the second protrusion 122 are disposed on the insulating main body 11. A plug hole 123 is recessed rearward from the front end of the front cover 12 corresponding to each terminal groove 13 and located in front of each terminal groove 13, the plug hole 123 is communicated with the terminal groove 13 along a first direction, the plug hole 123 is used for inserting a butt terminal 2 (not shown) of a butt connector (not shown), the width of the terminal groove 13 is larger than the width of the plug hole 123, a plurality of receiving grooves 124 are recessed from the front end of the front cover 12, each receiving groove 124 is located on one side of each plug hole 123 along a third direction in a one-to-one correspondence manner, each receiving groove 124 is correspondingly communicated with each terminal groove 13 along the third direction, the receiving grooves 124 have four rows in total, the receiving grooves 124 in the middle two rows are located between the terminal grooves 13 in the middle two rows, the receiving grooves 124 in the upper row are located above the terminal grooves 13 in the upper row, the receiving grooves 124 in the lower row are located below the terminal grooves 13 in the lower row, a locking beam 125 is arranged in each receiving groove 124 and extends obliquely to the corresponding terminal groove 13, the locking beam 125 extends forward from the inner wall surface of the receiving groove 124 and extends obliquely to the corresponding terminal groove 13, and the front cover 125 is located on the front cover 12. A fastening portion 126 extends backward from the sidewall of the front cover 12, the fastening portion 126 is provided with a fastening hole 1261 along the second direction, after the front cover 12 is assembled to the insulating main body 11, the fastening hole 1261 is communicated with the first slot 141 and is engaged with the fastening block 112. An operation space 127 is recessed from the sidewall of the front cover 12, the operation space 127 and the locking portion 126 are located on the same side of the front cover 12, and the operation space 127 is communicated with the locking hole 1261. A plurality of protrusions P are protruded from the rear surface of the front cover 12 toward the spacing groove 114, the lower surface of the protrusion P is spaced from the upper surface of the insulating body 11 after the front cover 12 is assembled to the insulating body 11, and a blocked portion 128 is protruded from the front cover 12.

Referring to fig. 1 and 11, the plurality of terminals 2 are inserted into the plurality of terminal slots 13 in a one-to-one correspondence manner, each terminal 2 includes a butt-joint portion 21 and a wire-connecting portion 22 located behind the butt-joint portion 21, the wire-connecting portion 22 is protruded from one side of the terminal 2, the butt-joint portion 21 is in a square tube shape, a front end opening of the butt-joint portion 21 is used for inserting the butt-joint terminal 2, a rear end opening of the butt-joint portion 21 enables a rear end surface of the butt-joint portion 21 to form a blocked surface 211, a groove 212 is recessed from a surface of each butt-joint portion 21, the groove 212 is located in front of the blocked surface 211 along a first direction, and when the terminal 2 is completely inserted into the terminal slot 13, each locking beam 125 correspondingly enters one groove 212 to block the terminal 2 from moving backwards.

Referring to fig. 3, 4 and 11, the positioning element 3 is inserted into the receiving slot 14 and can move between a pre-locking position and a final locking position along the second direction, when the positioning element 3 is in the pre-locking position, the terminal 2 can be inserted forward or withdrawn backward from the terminal slot 13, when the terminal 2 is inserted into the terminal slot 13, the locking beam 125 enters the groove 212 to stop the terminal 2 from moving backward, and when the positioning element 3 is in the final locking position, the terminal 2 cannot be withdrawn backward from the terminal slot 13.

Referring to fig. 11 and 12, the positioning element 3 includes a base 31, a first insertion rod 32 and two second insertion rods 33 extending from the base 31 along the second direction, along the third direction, the first insertion rod 32 is located between the two second insertion rods 33, the first insertion rod 32 and the two second insertion rods 33 are arranged at intervals, and along the second direction, the length of each second insertion rod 33 is greater than the length of each first insertion rod 32. First inserted bar 32 includes a first main part 321 and two first fender portion 322, two first fender portion 322 is certainly the upper and lower both sides of first main part 321 extend along the third direction and establish forward protruding again, along the third direction, first main part 321 is located two between the first fender portion 322, along first direction, each the thickness of first fender portion 322 is greater than the thickness of first main part 321, certainly the end of first main part 321 extends along the second direction earlier and establishes a first trip 323 to the back protruding again, first trip 323 and two first fender portion 322 sets up along third direction interval, a terminal protruding stop part 324 of establishing of first inserted bar 32 to the back, stop part 324 is from being located first main part 321 top first fender portion 322 establish to the back protruding, stop part 323 is located the top of first trip, along the second direction, the middle part of first main part 321 still is equipped with a third main part 325 the third trip 325 with the first fender portion 325 the insulating body 325 is in order to increase the insulating body 325 and the insulating body 325 the insulating body that the inserted bar 325 and the setting element is in order to increase the protruding trip force 1 and the insulating body 325 that the insulating element was inserted the trip 325 was used for the third trip 3. Each of the second plug bars 33 includes a second main body 331, each of the second main body 331 protrudes toward the first blocking portion 322 to form a second blocking portion 332, a second hook 333 extends from a distal end of the second main body 331 in a second direction and protrudes rearward, and a distance from the second hook 333 to the base 31 is greater than a distance from the first hook 323 to the base 31 in the second direction, so that positions of the second hook 333 and the first protrusion 121 at which the first hook 323 and the stop 111 are stopped are different from each other in the second direction, and therefore positions of the stop 111, the first protrusion 121, and the second protrusion 122 can be conveniently set according to shapes of the insulating main body 11 and the front cover 12, and the first hook 323 and the second hook 333 deviate from each other in the first direction, so that when the positioning member 3 is shaken or moved in the first direction, at least one of the first hook 323 and the second hook 333 is replaced by the first protrusion 121 and the positioning member 100, and thus the problem of electrical connection of the positioning member 100 is more stable and the positioning member 100 can be prevented from being easily and the positioning member 100 can be easily and the electrical connection problem of the positioning member 100 can be effectively prevented from being easily released. Referring to fig. 4 and 6, an operation portion 34 extends forward from the base portion 31, and when the positioning member 3 is at the final locking position, an operation gap is formed between an inner wall surface of the operation portion 34 and a wall surface of the operation space 127, so that the positioning member 3 can be moved from the final locking position to the pre-locking position by using a tool, and the protrusion P protrudes backward from the base portion 31.

Referring to fig. 1 and 11, the waterproof ring 4 is assembled in the partition groove 114 to play a waterproof role after the electrical connector 100 and the mating connector are butted, the waterproof ring 4 is located behind the positioning member 3, a plurality of recessed portions 41 are recessed from the front edge and the rear edge of the waterproof ring 4, the plurality of recessed portions 41 are arranged at intervals along the circumferential direction of the waterproof ring 4, the sum of the number of the protruding portions P on the insulating main body 11, the front cover 12 and the positioning member 3 is equal to the number of the recessed portions 41, and the plurality of protruding portions P are tightly fitted with the plurality of recessed portions 41 in a one-to-one correspondence manner, so as to fix the waterproof ring 4 to the insulating main body 11.

Referring to fig. 2, fig. 3 and fig. 5, when the positioning element 3 is in the pre-locking position, the tail end of the first insertion bar 32 is located in the first slot 141, the insulation body 1 stops the upper surface and the lower surface of the first insertion bar 32, referring to fig. 8, the stopper 111 is stopped at the outer side of the first hook 323 to prevent the positioning element 3 from exiting the receiving slot 14, the tail ends of the two second insertion bars 33 are respectively located in the two second slots 142, referring to fig. 7 along the second direction, the second hook 333 is located between the first protrusion 121 and the second protrusion 122, the second protrusion 122 is stopped at the inner side of the second hook 333 to prevent the second hook 333 from being further inserted into the second slot 142, the first protrusion 121 is stopped at the outer side of the second hook 333 to prevent the positioning element 3 from exiting the receiving slot 14, referring to fig. 11, a plurality of terminals 2 are inserted into the plurality of terminal slots 13 one by one, each locking beam 125 enters the groove 212 to prevent each terminal 2 from exiting the receiving slot 14, and each terminal 2 is located in the direction of the wiring row 22, and the wiring board 22 is arranged opposite to the wiring board, and the wiring board 22 is arranged in the third row 2. Referring to fig. 2, 4, 6 and 10, when the positioning element 3 is at the final locking position, the first inserting rod 32 passes through the clamping hole 1261 and is inserted into the first slot 141, the first inserting rod 32 stops the front of the clamping portion 126, and the blocking portion 324 stops the front of the blocked portion 128 to prevent the front cover 12 and the insulating main body 11 from being disengaged, referring to fig. 9, the second clamping hook 333 hooks the front cover 12 to fix the positioning element 3 to the final locking position, referring to fig. 11, two first stopping portions 322 are respectively stopped behind the blocked surfaces 211 of the second row and the third row of the terminals 2, and two second stopping portions 332 are respectively stopped behind the blocked surfaces 211 of the first row and the fourth row of the terminals 2. Referring to fig. 4, the positioning element 3 is clamped between the insulating main body 11 and the front cover 12, the base 31 is exposed on the outer surface of the insulating main body 1, the operation portion 34 is accommodated in the operation space 127, and an operation gap is formed between an inner wall surface of the operation portion 34 and a wall surface of the operation space 127 so as to move the positioning element 3 from the final locking position to the pre-locking position.

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 has following beneficial effect:

1. the inner wall surface of the first slot 141 is adjacent to the opening of the first slot 141 to form the stop 111 in a protruding manner, the inner wall surface of the second slot 142 is adjacent to the opening of the second slot 142 to form the first protrusion 121 in a protruding manner, the direction of the stop 111 opposite to that of the first protrusion 121 in a protruding manner, the first hook 323 is arranged at the tail end of the first insertion rod 32 in a protruding manner, the second hook 333 is arranged at the tail end of the second insertion rod 33 in a protruding manner, the first hook 323 and the second hook 333 deviate from each other in the first direction, when the positioning element 3 is located at the pre-locking position, the tail end of the first insertion rod 32 is located in the first slot 141, the stop 111 is blocked at the outer side of the first hook 323, so that the positioning element 3 cannot retreat backwards from the accommodating slot 14, the positioning element 3 and the insulating body 1 can be kept connected, the tail end of the second insertion rod 33 is located in the second slot 142, the first protrusion 121 is blocked at the outer side of the second hook 323, further strengthening the positioning element 3 and the insulating body 1 can be connected with the insulating body 1, and the positioning element 100 can be stably and the terminal is stably and the terminal can be easily released when the positioning element 100 is not easily released.

2. The inner wall surface of the second slot 142 is provided with a second protrusion 122 protruding from the opening of the second slot, the second protrusion 122 is spaced from the first protrusion 121, when the positioning element 3 is at the pre-locking position, the second hook 333 is located between the first protrusion 121 and the second protrusion 122, the second protrusion 122 is stopped at the inner side of the second hook 333 to prevent the second hook 333 from further inserting into the second slot 142, so that the positioning element 3 cannot further enter the receiving slot 14 when at the pre-locking position, thereby ensuring that the terminal 2 is smoothly inserted into the terminal slot 13.

3. The number of the second insertion rods 33 is two, the number of the second insertion grooves 142 is two, and in the third direction, the first insertion rods 32 are located between the two second insertion rods 33, so that the positioning member 3 can position multiple rows of the terminals 2, when the positioning member 3 is located at the pre-locking position, the insulating body 1 blocks the upper surface and the lower surface of the first insertion rods 32, and the first insertion rods 32 are matched with the insulating body 1 to prevent the positioning member 3 from shaking in the vertical direction at the initial position.

4. The plurality of terminals 2 are arranged in four rows in a third direction, one side of each terminal 2 is convexly provided with the wiring portion 22, the wiring portions 22 of the terminals 2 in a first row and a second row are arranged in a deviating manner in the third direction, the wiring portions 22 of the terminals 2 in the third row and the fourth row are arranged in a deviating manner, the wiring portions 22 of the terminals 2 in the second row and the third row are arranged oppositely, the first insertion rod 32 comprises the first main body portion 321 and two first blocking portions 322, the first main body portion 321 is arranged between the two first blocking portions 322 in the third direction, the thickness of each first blocking portion 322 is larger than that of the first main body portion 321 in the first direction, the two first blocking portions 322 respectively block the blocked surfaces 211 of the terminals 2 in the middle row and the terminals 2 in the one side row, so that when the positioning piece 3 is located in the final locking position, the first insertion rod 32 can simultaneously block the two rows of the terminals 2, and simultaneously realize the positioning of the two rows of the terminals 2, so that the positioning piece 3 does not need to be provided with the positioning piece 3, and the positioning effect of simplifying the positioning piece 3 is guaranteed.

5. The insulator 1 is composed of the insulator 11 and the front cover 12 assembled at the front end of the insulator 11, so that the difficulty of integral forming of the insulator 1 is reduced, the insulator 1 is convenient to disassemble, the insulator 11 and the front cover 12 jointly enclose to form the accommodating groove 14, the positioning piece 3 is clamped between the insulator 11 and the front cover 12, the stopper 111 is positioned on the insulator 11, the first protrusion 121 is positioned on the front cover 12, when the stopper 111 or the first protrusion 121 is worn greatly, the insulator 11 or the front cover 12 can be replaced, the whole insulator 1 does not need to be replaced, and the cost is saved.

6. The plurality of terminal grooves 13 penetrate through the insulating main body 11 in the first direction and extend to the front end of the front cover 12, the insertion holes 123 are recessed rearward from the front end of the front cover 12 corresponding to each terminal groove 13 and located in front of each terminal groove 13, the insertion holes 123 are communicated with the terminal grooves 13 in the first direction for inserting the corresponding terminals 2, the plurality of accommodating grooves 124 are recessed from the front end of the front cover 12 and located on one side of each insertion hole 123 in the third direction in a one-to-one correspondence manner, the accommodating grooves 124 are communicated with the terminal grooves 13 in the third direction, each accommodating groove 124 is communicated with each terminal groove 13 in a corresponding manner, a locking beam 125 is arranged in each accommodating groove 124 and extends obliquely into the terminal groove 13 in a corresponding manner, the grooves 212 are recessed from the surface of each terminal 2, when the terminal 2 is completely inserted into the terminal groove 13, each locking beam 125 enters one corresponding groove 212 to block the terminal 2 from moving backward, so that when the positioning piece 3 is in the pre-locking position, the terminal 2 is completely inserted into the terminal groove 13, and the positioning piece 2 is convenient for positioning, and the positioning piece 3 is not provided for positioning.

7. At least the latch 112 is protruded from the sidewall of the insulating body 11, the latch portion 126 is extended backward from the sidewall of the front cover 12, the latch hole 1261 penetrates through the latch portion 126, after the front cover 12 is assembled to the insulating body 11, the latch hole 1261 is communicated with the first slot 141 and is engaged with the latch 112, so that the front cover 12 is fixed to the insulating body 11, when the positioning member 3 is assembled to the insulating body 11 and located at the final locking position, the first plug pin 32 passes through the latch hole 1261 and is inserted into the first slot 141, the first plug pin 32 blocks the front of the latch portion 126, thereby further preventing the front cover 12 from being disengaged from the insulating body 11, and further making the structure of the electrical connector 100 firmer.

8. From the lateral wall of protecgulum 12 sets up in a recessed way operation space 127, certainly basal portion 31 extends forward operation portion 34, when setting element 3 is in the final locking position, basal portion 31 appears in insulator 1's surface, operation portion 34 accept in operation space 127, the internal face of operation portion 34 with operation gap has between the wall of operation space 127, when needs are changed when terminal 2, conveniently with setting element 3 moves from the final locking position to the preliminary locking position, can not lead to the fact destructive injury to setting element 3 for setting element 3 can continue to use.

9. The stopping portion 324 is protruded backward at the end of the first inserting rod 32, the stopping portion 324 is located above the first hook 323, the front cover 12 is protruded backward at the blocked portion 128, and when the positioning element 3 is located at the final locking position, the stopping portion 324 is stopped in front of the blocked portion 128, which further prevents the front cover 12 from being disengaged from the insulating main body 11, so that the structure of the electrical connector 100 is firmer.

10. The waterproof ring 4 is sleeved on the insulating main body 11, the waterproof ring 4 is located behind the positioning piece 3, at least the concave portion 41 is formed in the front edge of the waterproof ring 4, the protruding portion P is formed in the base portion 31 in a backward protruding mode, when the positioning piece 3 is located at the final locking position, the protruding portion P is tightly matched with the concave portion 41, the waterproof ring 4 at the position of the concave portion 41 is made to be clamped between the protruding portion P and the outer wall face of the insulating main body 11, the waterproof ring 4 is prevented from rotating in the circumferential direction, the waterproof ring 4 is made to be located better, and the waterproof effect of the electric connector 100 is guaranteed.

11. Along the second direction, the distance from the second hook 333 to the base 31 is greater than the distance from the first hook 323 to the base 31, when the positioning element 3 is at the initial position, in the second direction, the blocking positions of the second hook 333 and the first protrusion 121 are different from the blocking positions of the first hook 323 and the block 111, so that the positioning element 3 and the insulating body 1 are blocked at different positions, the positioning element 3 and the insulating body 1 are more firmly matched, and the positions of the block 111, the first protrusion 121, and the second protrusion 122 can be conveniently set according to the shapes of the insulating body 11 and the front cover 12.

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 (11)

1. An electrical connector, comprising:

the insulation structure comprises an insulation body, a plurality of terminal grooves are concavely arranged on the insulation body along a first direction, an accommodating groove is concavely arranged on the insulation body, the accommodating groove comprises a first inserting groove and at least one second inserting groove which are concavely arranged along a second direction vertical to the first direction, the first inserting groove and the second inserting groove are communicated with the terminal grooves, a stop block is convexly arranged on the inner wall surface of the first inserting groove close to the opening of the first inserting groove, a first bulge is convexly arranged on the inner wall surface of the second inserting groove close to the opening of the second inserting groove, and the direction of the stop block is opposite to the direction of the first bulge;

the terminals are correspondingly inserted into the terminal grooves one by one, and each terminal is provided with a blocked surface;

a positioning element is inserted into the accommodating groove and can move between a pre-locking position and a final locking position along a second direction, the positioning element comprises a base part, a first inserted bar and at least one second inserted bar extend from the base part along the second direction, the first inserted bar and the second inserted bar are arranged at intervals along a third direction perpendicular to the first direction and the second direction, a first clamping hook is convexly arranged at the tail end of the first inserted bar, a second clamping hook is convexly arranged at the tail end of the second inserted bar, and the first clamping hook and the second clamping hook are deviated from each other along the first direction;

when the positioning element is in the pre-locking position, the tail end of the first insertion rod is located in the first slot, the stop block is stopped at the outer side of the first clamping hook, the tail end of the second insertion rod is located in the second slot, the first protrusion is stopped at the outer side of the second clamping hook, the terminal can be inserted into or withdrawn from the terminal slot along the first direction, when the positioning element is in the final locking position, the second clamping hook is in stop fit with the insulating body, and the first insertion rod and the second insertion rod are correspondingly in stop fit with the stopped surfaces of the terminals to prevent the terminal from being withdrawn from the terminal slot.

2. The electrical connector of claim 1, wherein: the inner wall surface of the second slot is provided with a second bulge which is arranged at an interval with the first bulge in a protruding mode near the opening of the second slot, when the positioning piece is located at the pre-locking position, the second clamping hook is located between the first bulge and the second bulge, and the second bulge is blocked on the inner side of the second clamping hook so as to prevent the second clamping hook from being further inserted into the second slot.

3. The electrical connector of claim 1, wherein: the number of the second inserting rods is two, the number of the second inserting grooves is two, the first inserting rod is located between the two second inserting rods along a third direction, the length of each second inserting rod is larger than that of the first inserting rod, and when the positioning piece is located at the pre-locking position, the insulating body blocks the upper surface and the lower surface of the first inserting rod.

4. The electrical connector of claim 1, wherein: the plurality of terminals are arranged in four rows in a third direction, each terminal is convexly provided with a wiring part, the wiring parts of the terminals in the first row and the wiring parts of the terminals in the second row are arranged in a deviating way along the third direction, the wiring parts of the terminals in the third row and the wiring parts of the terminals in the fourth row are arranged in a deviating way, the wiring parts of the terminals in the second row and the third row are arranged in a right-to-right way, the first insertion rod comprises a first main body part and two first blocking parts, the first main body part is arranged between the two first blocking parts along the third direction, the thickness of each first blocking part is larger than that of the first main body part along the first direction, the second insertion rod comprises two second insertion rods, each second insertion rod comprises a second main body part, a second blocking part is convexly arranged from each second main body part to the first blocking parts, and when the positioning piece is in a final locking position, the two first blocking parts block the second blocking parts of the terminals in the second row and the third row, and the blocking parts of the terminals in the second row and the fourth blocking parts of the terminals are blocked by the second blocking parts.

5. The electrical connector of claim 4, wherein: from the end of first main part extends along the second direction earlier and establishes along the first direction is protruding first trip, first trip and two first fender portion sets up along third direction interval, certainly the end of second main part extends along the second direction earlier and establishes along the first direction is protruding second trip, along the second direction, the second trip extremely the distance of basal portion is greater than first trip extremely the distance of basal portion.

6. The electrical connector of claim 1, wherein: the first direction is the fore-and-aft direction, and the second direction is left right direction, and the third direction is upper and lower direction, insulator include an insulating main part and assemble in a protecgulum of insulating main part front end, insulating main part with the protecgulum encloses jointly and establishes formation the accepting groove, the setting element presss from both sides and locates insulating main part with between the protecgulum, the dog is from the integrative protruding formation of establishing of insulating main part, first arch is from the integrative protruding formation of establishing of protecgulum.

7. The electrical connector of claim 6, wherein: the plurality of terminal grooves penetrate through the insulating main body along the front-back direction, a jack is concavely arranged backwards from the front end of the front cover corresponding to each terminal groove and located in front of each terminal groove, the jack is communicated with the terminal grooves along the first direction and used for inserting butt-jointed terminals, a plurality of accommodating grooves are concavely arranged at the front end of the front cover and located at one side of each jack along the third direction in a one-to-one correspondence mode, the accommodating grooves are communicated with the terminal grooves along the third direction, a locking beam is arranged in each accommodating groove and correspondingly obliquely extends into the terminal grooves, a groove is concavely arranged on the surface of each terminal, and when the terminal is completely inserted into the terminal grooves, each locking beam correspondingly enters one groove to stop the terminal from moving backwards.

8. The electrical connector of claim 6, wherein: the side wall of the insulating main body is convexly provided with at least one clamping block, a clamping part extends backwards from the side wall of the front cover, the clamping part is provided with a clamping hole in a penetrating mode, after the front cover is assembled to the insulating main body, the clamping hole is communicated with the first slot and is clamped and matched with the clamping block, when the positioning piece is assembled to the insulating main body and is located at a final locking position, the first inserting rod penetrates through the clamping hole to be inserted into the first slot, and the first inserting rod blocks the front of the clamping part to prevent the front cover and the insulating main body from being disengaged.

9. The electrical connector of claim 6, wherein: an operation space is concavely arranged on the side wall of the front cover, an operation part extends forwards from the base part, when the positioning piece is located at the final locking position, the base part is exposed out of the outer surface of the insulation body, the operation part is contained in the operation space, and an operation gap is formed between the inner wall surface of the operation part and the wall surface of the operation space.

10. The electrical connector of claim 6, wherein: the tail end of the first inserted bar is provided with a blocking part in a backward protruding mode, the blocking part is located above the first clamping hook, the front cover is provided with a blocked part in a backward protruding mode, and when the positioning piece is located at the final locking position, the blocking part is blocked in front of the blocked part to prevent the front cover and the insulating main body from being disengaged.

11. The electrical connector of claim 6, wherein: the waterproof ring is sleeved on the insulating main body and located behind the positioning piece, at least one concave part is concavely arranged at the front edge of the waterproof ring, a protruding part is convexly arranged backwards at the base part, and when the positioning piece is located at a final locking position, the protruding part is tightly matched with the concave part.

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