Electric connector assembly

Abstract

The utility model discloses an electric connector assembly, which comprises an insulating body with a plurality of terminal grooves, a conductive terminal with a crimping part and an abutting position in front of the crimping part, a flat conductive piece with a conductive area, and a waterproof glue layer covering the conductive area and the crimping part, one side, in the vertical direction, of the abutting position protrudes out of the surface of the waterproof glue layer so that a jig can push the abutting position to push the front section of the conductive terminal into the terminal groove through the containing cavity, and therefore the conductive terminal can be assembled into the insulation body forwards conveniently, and the conductive terminal can be installed and positioned in the insulation body conveniently. As the jig directly applies force to the abutting position, the waterproof glue layer is not damaged, the connection position of the conductive terminal and the flat conductive piece is better protected to prevent oxidation, and the connection stability of the conductive terminal and the flat conductive piece is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric connector assembly, especially to an electric connector assembly facilitating the assembly of a conductive terminal to an insulating body.

BACKGROUND

[0002] The prior art electric connector assembly comprises an insulating body having terminal slots, conductive terminals and flat conductive pieces, and the connection between the conductive terminals and the flat conductive pieces is provided with a waterproof adhesive layer. In the face of the problem of how to assemble the conductive terminals to the insulating body, the industry usually uses a jig to completely abut against the waterproof adhesive layer, thereby assembling the conductive terminals into the terminal slots. However, since the waterproof adhesive layer is relatively soft, and a large force is required to push the waterproof adhesive layer by the jig to assemble the conductive terminals into the terminal slots, the conductive terminals are not only inconvenient to assemble to the insulating body, but also may not be assembled in place in the insulating body, and in addition, the waterproof adhesive layer may be damaged, causing the connection position between the conductive terminals and the flat conductive pieces to be oxidized, thereby affecting the stable connection between the conductive terminals and the flat conductive pieces.

[0003] Therefore, it is necessary to design an electric connector assembly to overcome the above problems.

SUMMARY OF UTILITY MODEL

[0004] In view of the problems in the background art, the utility model aims to provide an electric connector assembly in which a conductive terminal has a contact position in front of a crimping portion, the contact position protrudes from the surface of a waterproof adhesive layer on one side in the up-down direction to facilitate the assembly of the conductive terminal into a terminal slot through a receiving cavity by pushing the contact position with a jig, and to ensure the stable connection between the conductive terminal and a flat conductive piece.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical means:

[0006] An electric connector assembly, comprising:

[0007] An insulating body having a plurality of terminal slots opened in the front-rear direction, the plurality of terminal slots being arranged in at least one row in the left-right direction, at least one receiving cavity being located behind the plurality of terminal slots and being in communication with the plurality of terminal slots in the front-rear direction;

[0008] A plurality of conductive terminals, each of the conductive terminals having a crimping portion and a contact position in front of the crimping portion;

[0009] At least one flat conductive piece having a conductive area, the crimping portions of the plurality of conductive terminals being crimped and fixed to the conductive area in the up-down direction;

[0010] at least one waterproof adhesive layer covering the conductive area and the crimping portion, one side of the abutting position in the up-down direction protruding from the surface of the waterproof adhesive layer for a jig to push the abutting position to push the front section of the conductive terminal into the terminal slot through the accommodating cavity, the waterproof adhesive layer being accommodated in the accommodating cavity.

[0011] Further, each of the conductive terminals further has a mating portion, the front section of the conductive terminal forming the mating portion, the rear section of the conductive terminal forming the crimping portion to be accommodated in the accommodating cavity, a connecting portion connecting between the mating portion and the crimping portion, the connecting portion extending a first tab in the up-down direction along one side of the left-right direction, the first tab protruding from the surface of the waterproof adhesive layer in the up-down direction to form the abutting position.

[0012] Further, the mating portion protrudes downward a foolproof portion, the accommodating cavity having a first wall and a second wall on both sides in the up-down direction, the second wall recessing a plurality of first foolproof grooves downward, the first tab extending downward a length less than or equal to the length of the foolproof portion extending downward, the foolproof portion entering the terminal slot through the first foolproof grooves, the foolproof portion and the first tab being arranged in alignment in the front-rear direction.

[0013] Further, the connecting portion extends a second tab in the up-down direction along the other side of the left-right direction, the second tab being arranged opposite to the first tab in the left-right direction and flush with the rear end surface, the first tab and the second tab being located in front of the flat conductive member, the rear end surface of the first tab and the rear end surface of the second tab jointly stopping the front end surface of the flat conductive member in the front-rear direction.

[0014] Further, a limiting groove recessing upward from the lower surface of the insulating body is located between and connected to the terminal slot and the accommodating cavity, a limiting member being installed in the limiting groove, the limiting member having a plurality of communication grooves arranged in a row in the left-right direction for the plurality of conductive terminals to pass through, a stopping portion protruding upward from the front section of the groove bottom wall of the communication groove to stop the conductive terminal from exiting backward, the connecting portion extending a second tab in the up-down direction along the other side of the left-right direction, the lower end of the second tab not being lower than the lower surface of the waterproof adhesive layer, the second tab entering the communication groove and being located rearward of the stopping portion, a second foolproof groove recessing downward from one side of the stopping portion of the groove bottom wall of the communication groove in the left-right direction, the second foolproof groove being in front-rear alignment with the first foolproof groove, the first tab being accommodated in the second foolproof groove.

[0015] Further, a space is provided at the rear end of the limiting member, the space is longitudinally arranged along the left-right direction, the rear ends of the plurality of communication grooves are communicated with the space, the limiting member has two end walls along the left-right direction, a space is concavely arranged at the front end of each end wall, the two spaces are communicated with the space along the left-right direction, the front end of the flat conductive member and the waterproof layer enter the space, and the left and right sides of the front end of the flat conductive member enter the space.

[0016] Further, the insulating body is made of plastic material, the waterproof layer contains one or more of butyl rubber, isoprene rubber, butadiene rubber and silicone rubber, and the hardness of the waterproof layer is less than that of the insulating body.

[0017] Further, the crimping part has a plate part and a plurality of piercing parts formed by bending and extending from the left and right sides of the plate part, the piercing parts on the left and right sides of the plate part are staggered and arranged, and the number of the piercing parts on the left and right sides of the plate part is not equal, the length of the piercing part is greater than the length of the first tab, the plate part is convexly provided with a plurality of ribs, the end of each piercing part is tapered, the thickness of the end of the piercing part is less than the thickness of the root of the piercing part, a plurality of conductive bodies are arranged at intervals in the left-right direction of the conductive area, each conductive body is in abutment with the plurality of ribs of the corresponding plate part along the up-down direction, and the plurality of piercing parts on the left and right sides of the plate part are respectively located on the left and right sides of the corresponding conductive body and pierce the conductive area.

[0018] Further, the terminal grooves are arranged in two rows along the left-right direction, the wall thickness of the lower wall of the terminal groove in the lower row is greater than the wall thickness of the upper wall of the terminal groove in the upper row.

[0019] Further, the upper and lower sides of the accommodation cavity are respectively provided with a first wall and a second wall, the waterproof layer accommodated in the accommodation cavity has a gap between the waterproof layer and the second wall, the first tab is exposed in the gap, and the gap is used for the jig to enter to push the abutment position of the first tab.

[0020] Compared with the prior art, the utility model have following beneficial effect: The abutment position is the part that protrudes downwardly to the surface of waterproof adhesive layer in up-down direction, and the part is used for the jig to push the abutement position to push the front section of conductive terminal into the terminal groove through the accommodation cavity, thereby facilitating the forward assembly of conductive terminal into the insulating body, so that the conductive terminal is conveniently installed and positioned in the insulating body, since the jig is directly forced to the abutment position, so as not to damage the waterproof adhesive layer, so that the connecting position of conductive terminal and flat conductive piece is better protected from oxidation, and the connection stability of conductive terminal and flat conductive piece is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional combined schematic view of the utility model electric connector assembly;

[0022] Figure 2 It is the three-dimensional exploded view of the utility model electric connector assembly in one perspective;

[0023] Figure 3 It is the sectional view of the utility model upper row conductive terminal assembly into the insulating body;

[0024] Figure 4 It is the sectional view of the utility model jig pushing upper row conductive terminal assembly into the insulating body;

[0025] Figure 5 It is Figure 4 The partial enlarged view of middle A;

[0026] Figure 6 It is the sectional view of the utility model lower row conductive terminal assembly into the insulating body;

[0027] Figure 7 It is Figure 6 The partial enlarged view of middle B;

[0028] Figure 8 It is the three-dimensional schematic view of the utility model one row conductive terminal and one flat conductive piece crimping;

[0029] Figure 9 It is the three-dimensional schematic view of the utility model conductive terminal in electric connector assembly;

[0030] Figure 10 It is another perspective three-dimensional schematic view of the utility model conductive terminal in electric connector assembly;

[0031] Figure 11 It is the three-dimensional schematic view of the utility model limiting piece in electric connector assembly.

[0032] EXPLANATION OF DRAWINGS OF THE PREFERRED EMBODIMENT:

[0033] Electric connector assembly 100 Insulating body 1 Terminal slot 11 Locking arm 12 Locking block 121 Accommodating cavity 13 Partition plate 131 First wall 132 Second wall 133 First fool-proof slot 134 Limiting slot 14 Locking arm 15 Notch 16 First upper positioning rib 17 Second upper positioning rib 18 Side positioning rib 19 Gap G Conductive terminal 2 Butt joint 21 Top wall 211 Side wall 212 Fool-proof part 2121 Bottom wall 213 Connecting part 22 Bridge wall 221 First tab 222 Abutting position 2221 Strengthening wall 223 Second tab 224 Pressing part 23 Plate part 231 Protruding rib 2311 Piercing part 232 Limiting part 3 Communication slot 31 Partition 32 Space 33 End wall 34 Space 341 Second fool-proof slot 35 Stop part 36 Flat conductive part 4 Conductive area 41 Conductive body 411 Waterproof adhesive layer 5 DETAILED DESCRIPTION

[0034] The specific embodiments of the present application will be further described in conjunction with the accompanying drawings:

[0035] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated position or component must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0036] The electric connector assembly of the present application is used to be connected with a mating connector having a mating body and a plurality of mating terminals fixed to the mating body, and defines a front-rear direction and a left-right direction and an up-down direction perpendicular to the front-rear direction; the mating direction of the electric connector assembly and the mating connector is defined as the front-rear direction. In order to facilitate the understanding of the drawings, the front-rear direction is represented by the X-axis of the three-dimensional coordinate, wherein the forward direction is the positive direction of the X-axis, the left-right direction is represented by the Y-axis of the three-dimensional coordinate, wherein the right direction is the positive direction of the Y-axis, and the up-down direction is represented by the Z-axis of the three-dimensional coordinate, wherein the upward direction is the positive direction of the Z-axis. For the convenience of description, the up-down, left-right, front-rear orientation in the present application is a relative position, and does not constitute a limitation on the realization.

[0037] As shown in Figure 1 , 2 The electric connector assembly comprises an insulating body 1, a plurality of conductive terminals 2 assembled in the insulating body 1, a limiting member 3 installed on the insulating body 1 to limit the rearward withdrawal of the plurality of conductive terminals 2, at least one flat conductive member 4 electrically connected with the plurality of conductive terminals 2, and at least one waterproof adhesive layer 5 wrapped around the connection between the flat conductive member 4 and the conductive terminals 2.

[0038] As shown in Figures 2-4, 6, 7, the insulating body 1 is arranged along the front and rear directions and made of plastic material, and has a plurality of terminal grooves 11 opened along the front and rear directions, the terminal grooves 11 are arranged in the front section of the insulating body 1 and penetrate the front end surface of the insulating body 1 forward. A plurality of the terminal grooves 11 are arranged in at least one row along the left and right directions, in this embodiment, the terminal grooves 11 are arranged in two rows along the left and right directions, the wall thickness of the lower wall of the terminal grooves 11 in the lower row is greater than the wall thickness of the upper wall of the terminal grooves 11 in the upper row. The lower wall surface of each terminal groove 11 is connected to a locking arm 12, one side of the locking arm 12 in the left and right directions protrudes a locking block 121, when the conductive terminal 2 is inserted into the terminal groove 11 from back to front, the conductive terminal 2 pushes against one side of the locking block 121 along the left and right directions, so that the locking arm 12 can be elastically offset along the left and right directions. At least one receiving cavity 13 is located behind a plurality of terminal grooves 11, the receiving cavity 13 is arranged in the rear section of the insulating body 1 and penetrates the rear end surface of the insulating body 1 backward, in this embodiment, the receiving cavity 13 has two. Two receiving cavities 13 are used to accommodate two waterproof adhesive layers 5 respectively, and there is a spacing plate 131 between the two receiving cavities 13 along the up and down directions, the first wall 132 and the second wall 133 are respectively arranged on the upper and lower sides of the two receiving cavities 13, the first wall 132 of one receiving cavity 13 is located above the second wall 133, the second wall 133 of the receiving cavity 13 located above is the upper surface of the spacing plate 131, the first wall 132 of the receiving cavity 13 located below is the lower surface of the spacing plate 131, and the second wall 133 is concave downward and has a plurality of first anti-falling grooves 134 extending along the front and rear directions. The waterproof adhesive layer 5 accommodated in the receiving cavity 13 has a gap G with the second wall 133, the gap G is used for a jig to extend in to push the conductive terminal 2. A limiting groove 14 is concave upward from the lower surface of the insulating body 1, and the limiting groove 14 is arranged in the middle section of the insulating body 1, the limiting groove 14 is located between and connected to the terminal grooves 11 and the receiving cavities 13, along the front and rear directions, the limiting groove 14 is connected to a plurality of terminal grooves 11, receiving cavities 13, and the receiving cavities 13 are connected to a plurality of terminal grooves 11 through the limiting groove 14.

[0039] As Figure 2 、 6As shown, the upper surface of the insulating body 1 is provided with two holding arms 15 spaced apart from each other in the left-right direction, the front ends of the two holding arms 15 are connected to the front surface of the insulating body 1, and the rear ends of the two holding arms 15 are connected to each other and are free ends. The upper surface of the insulating body 1 is recessed with a gap 16 corresponding to the rear ends of the two holding arms 15, the gap 16 is vertically through the upper receiving cavity 13, and the gap 16 provides space for the holding arms 15 to move downward to release the holding of the docking connector. The upper surface of the insulating body 1 is provided with two first upper positioning ribs 17 located on the left and right sides of the two holding arms 15, and two second upper positioning ribs 18 located outside the two first upper positioning ribs 17, the width of the second upper positioning rib 18 is greater than the width of the first upper positioning rib 17. The left and right sides of the insulating body 1 are respectively provided with a side positioning rib 19, the side positioning rib 19 is connected to the lower end of the second upper positioning rib 18, and the length of the side positioning rib 19 is less than the length of the second upper positioning rib 18. The two first upper positioning ribs 17, the two second upper positioning ribs 18 and the two side positioning ribs 19 are respectively matched with the plurality of limiting grooves of the docking connector to limit the position, guide the electrical connector assembly to be smoothly inserted into the cavity of the docking connector in the vertical and horizontal directions, avoid oblique insertion or wrong insertion, and still ensure that the electrical connector assembly is smoothly and stably connected with the docking connector in a high-speed vibration environment, and avoid loosening. Since the wall thickness of the lower wall of the lower row of terminal grooves 11 is greater than the wall thickness of the upper wall of the upper row of terminal grooves 11, that is, the upper wall of the insulating body 1 is relatively thin, the space is left for the spacer plate 131 to make the thickness of the spacer plate 131 thicker, so as to ensure the strength of the spacer plate 131, and the arrangement of the first upper positioning rib 17 and the second upper positioning rib 18 can also strengthen the strength of the upper wall of the insulating body 1, so that the strength of the upper wall of the insulating body 1 and the spacer plate 131 is improved. Since the limiting groove 14 is arranged on the lower surface of the insulating body 1, the lower wall of the lower row of terminal grooves 11 of the insulating body 1 is relatively thick, and the lower wall of the insulating body 1 is thickened to ensure its strength.

[0040] As Figure 2 , 10As shown, a plurality of conductive terminals 2 are arranged in at least one row along the left-right direction. In this embodiment, the conductive terminals 2 are arranged in two rows along the left-right direction, and the plurality of conductive terminals 2 are assembled into a plurality of terminal slots 11 along the front-back direction. Each conductive terminal 2 has a mating portion 21, a crimping portion 23 located behind the mating portion 21, and a connecting portion 22 connecting the mating portion 21 and the crimping portion 23. The front section of the conductive terminal 2 forms the mating portion 21, and the rear section of the conductive terminal 2 forms the crimping portion 23 to be received in the receiving cavity 13.

[0041] like Figure 3 , 9 As shown in Figure 10, the mating portion 21 has a downwardly protruding anti-fooling part 2121. During the process of the mating portion 21 being inserted into the terminal slot 11 from back to front, the anti-fooling part 2121 pushes against the locking block 121 in the left-right direction, so that the locking arm 12 can be elastically offset in the left-right direction. The anti-fooling part 2121 is used to prevent the conductive terminal 2 from being mistakenly inserted into the insulating body 1. Each mating portion 21 is cylindrical to allow the needle-shaped mating terminal to be inserted into the mating portion 21. The mating portion 21 has a top wall 211 and two side walls 212 connected to the left and right sides of the top wall 211. The two side walls 212 are arranged opposite each other in the left-right direction, and each side wall 212 extends continuously. The foolproof part 2121 extends downward from one of the side walls 212, and the other side wall 212 of the two side walls 212 bends and extends into a bottom wall 213. In this embodiment, the foolproof part 2121 is formed by extending downward from the side wall 212 located on the right side, and the bottom wall 213 is formed by bending and extending from the side wall 212 located on the left side. Of course, in other embodiments, the foolproof part 2121 may also be formed by extending downward from the side wall 212 located on the left side, and the bottom wall 213 may be formed by bending and extending from the side wall 212 located on the right side. This is not limited here.

[0042] like Figure 4 , 5, 7, 9, 10, the connecting portion 22 is integrally connected to the rear end of the butt joint portion 21. The connecting portion 22 has a bridging wall 221 which is formed by the top wall 211 of the butt joint portion 21 extending rearwardly continuously. The conductive terminal 2 includes an abutting position 2221 in front of the crimping portion 23, in this embodiment, the abutting position 2221 is provided on the first tab 222, in other embodiments, the abutting position 2221 can be at other positions of the conductive terminal 2 as long as it is in front of the crimping position, which is not limited herein. The connecting portion 22 has a first tab 222 which extends in the up-down direction along one side of the left-right direction, the first tab 222 is bent from the right side of the bridging wall 221 and extends downwardly (of course, in other embodiments, the first tab 222 can be bent from the left side of the bridging wall 221 and extends downwardly, which is not limited herein), the length of the downward extension of the first tab 222 is less than the length of the downward extension of the fool-proof portion 2121 (of course, in other embodiments, the length of the downward extension of the first tab 222 can be equal to the length of the downward extension of the fool-proof portion 2121, which is not limited herein). The first tab 222 protrudes downwardly from the lower surface of the waterproof adhesive layer 5 in the up-down direction to form the abutting position 2221, that is, the abutting position 2221 is the part of the first tab 222 which protrudes downwardly from the lower surface of the waterproof adhesive layer 5 in the up-down direction, and this part is used for the jig to push the abutting position 2221 to push the front section of the conductive terminal 2 into the terminal slot 11 through the receiving cavity 13, the first tab 222 is exposed to the gap G, the gap G is used for the jig to extend in to push the abutting position 2221 of the first tab 222, the jig exerts force on the abutting position 2221 so that the butt joint portion 21 is pushed into the terminal slot 11, thereby facilitating the forward assembly of the conductive terminal 2 into the insulating body 1, so that the conductive terminal 2 is conveniently installed and positioned in the insulating body 1, since the jig directly exerts force on the abutting position 2221, the waterproof adhesive layer 5 is not damaged, so that the connection position of the conductive terminal 2 and the flat conductive piece 4 is better protected to prevent oxidation, ensuring the stability of the connection between the conductive terminal 2 and the flat conductive piece 4. The first tab 222 is connected with the butt joint portion 21 through a reinforcing wall 223, that is, the reinforcing wall 223 is connected between the first tab 222 and the side wall 212 on the right side of the butt joint portion 21, so that when the first tab 222 is abutted and pushed forward by the jig, the reinforcing wall 223 can support the first tab 222 in the front-rear direction to resist the forward force exerted by the jig on the first tab 222, ensuring that the first tab 222 has sufficient strength.The fool-proof portion 2121, the right side wall 212 extending the fool-proof portion 2121, the reinforcing wall 223 and the first tab 222 are located on the same side of the conductive terminal 2 in the left-right direction and are sequentially and continuously arranged along the front-rear direction, the first tab 222 is arranged in alignment with the fool-proof portion 2121 in the front-rear direction, thus, in the process of assembling the conductive terminal 2 forward into the insulating body 1, the fool-proof portion 2121 moves forward through the first fool-proof slot 134 and the limiting slot 14, the fool-proof portion 2121 continues to move forward and is finally accommodated in the terminal slot 11 and is blocked by the locking block 121 behind the fool-proof portion 2121 to prevent the conductive terminal 2 from exiting backward, the first tab 222 is arranged in front-rear alignment with the fool-proof portion 2121, so that the first tab 222 can enter the insulating body 1 along the path passed by the fool-proof portion 2121, the first tab 222 passes forward through the first fool-proof slot 134, avoiding the bottom surface of the first tab 222 from scratching the second wall 133, so that the conductive terminal 2 can be smoothly assembled into the insulating body 1. The other side of the connecting portion 22 in the left-right direction extends a second tab 224 in the up-down direction, that is, the second tab 224 is bent from the left side of the bridging wall 221 and extends downward (of course, when the first tab 222 is arranged on the left side of the bridging wall 221, the second tab 224 is arranged on the right side of the bridging wall 221, which is not limited here). The length of the downward extension of the second tab 224 is less than the length of the downward extension of the first tab 222, specifically, the length of the downward extension of the second tab 224 is 0.75 mm, and the length of the downward extension of the first tab 222 is 1.05 mm. The first tab 222 and the second tab 224 are located in front of the flat conductive piece 4, and the lower end of the second tab 224 is not lower than the lower surface of the waterproof adhesive layer 5, thus avoiding the second tab 224 from scratching the second wall 133, ensuring that the conductive terminal 2 can be smoothly assembled into the insulating body 1. The second tab 224 is arranged opposite to the first tab 222 in the left-right direction and the rear end surfaces are flush, the rear end surfaces of the second tab 224 and the first tab 222 are jointly stopped at the front end surface of the flat conductive piece 4 in the front-rear direction, so as to position the flat conductive piece 4 by the rear end surfaces of the second tab 224 and the first tab 222, so that the conductive terminal 2 and the flat conductive piece 4 are better pressed, ensuring that each conductive terminal 2 and the flat conductive piece 4 are correctly pressed in the front-rear direction without skewing, and the conductive terminal 2 and the flat conductive piece 4 can be smoothly assembled into the insulating body 1.

[0043] As Figures 8-10As shown, the crimping portion 23 is integrally connected to the rear end of the connecting portion 22, and the crimping portion 23 has a plate portion 231 and a plurality of piercing portions 232 formed by bending and extending from both sides of the plate portion 231. The plate portion 231 is formed by continuously extending rearward from the bridge wall 221 of the connecting portion 22, and the top wall 211, the bridge wall 221 and the plate portion 231 are arranged in line in the front-rear direction and located in the same horizontal plane. The plate portion 231 is provided with a plurality of convex ribs 2311 for abutting against the flat conductive member 4. The piercing portions 232 on both sides of the plate portion 231 are staggered and arranged, and the number of the piercing portions 232 on both sides is not equal. The length of the piercing portion 232 is greater than the length of the first tab 222, so that the piercing portion 232 better pierces and crimps the flat conductive member 4, ensuring that the crimping is in place. The end of each piercing portion 232 is tapered, i.e. each piercing portion 232 is tapered towards the side away from the connection between the plate portion 231 and the piercing portion 232. The thickness of the end of the piercing portion 232 is less than the thickness of the root of the piercing portion 232, so that the piercing portion 232 is arranged in an inverted conical shape, the end of the piercing portion 232 is more sharp, reduces the resistance of the piercing portion 232 piercing the flat conductive member 4, and further facilitates the piercing portion 232 piercing the insulating layer of the flat conductive member 4. The piercing portion 232 is used to pierce the flat conductive member 4 in the up-down direction, and finally crimp and fix the flat conductive member 4.

[0044] As Figure 2 、 6,7、11, the limiting member 3 is assembled in the limiting groove 14 from bottom to top, and when assembled in place, the limiting member 3 blocks a plurality of conductive terminals 2 to stop a plurality of conductive terminals 2 from withdrawing backward. A plurality of conductive terminals 2 located in the upper row pass above the limiting member 3 and enter the terminal groove 11 in the upper row. The limiting member 3 has a plurality of communication grooves 31 arranged in a row along the left-right direction for a plurality of conductive terminals 2 located in the lower row to pass through, the front end of a row of communication grooves 31 respectively communicates with the terminal groove 11 in the lower row, and the rear end of a row of communication grooves 31 communicates with the accommodation cavity 13 located below. A partition 32 is provided between two adjacent communication grooves 31 along the left-right direction, the partition 32 extends backward from the front end of the limiting member 3 and is located in front of the rear end of the limiting member 3. The front section of the groove bottom wall of each communication groove 31 is upwardly provided with a stop portion 36 to stop the conductive terminal 2 from withdrawing backward, the second tab 224 enters the communication groove 31 and is located behind the stop portion 36, and the groove bottom wall of each communication groove 31 is downwardly recessed on one side of the stop portion 36 along the left-right direction. A second fool-proof groove 35 is provided, the second fool-proof groove 35 is aligned with the first fool-proof groove 134 front and back, and the tab is accommodated in the second fool-proof groove 35. A space 33 is provided from the rear end of the limiting member 3, the space 33 is longitudinally arranged along the left-right direction, the front end of the space 33 communicates with the rear end of a plurality of communication grooves 31, and the rear end of the space 33 communicates with the accommodation cavity 13 located below. The space 33 is formed between the rear end face of the partition 32 and the rear end face of the limiting member 3. The limiting member 3 has two end walls 34 in the left-right direction, a space 341 is recessed from the rear end face of each end wall 34 to the front, each space 341 penetrates the end wall 34 in the left-right direction, so that the space 341 communicates with the space 33.

[0045] As Figure 1 、 2As shown in Figures 8 and 10, in this embodiment, the flat conductive component 4 is a flat cable (of course, in other embodiments, the flat conductive component 4 can also be a flexible circuit board, which is not limited here). Two flat conductive components 4 are arranged in two rows, one above the other, and each of the two flat conductive components 4 is connected to one of the two rows of conductive terminals 2. During the insertion of the lower row of conductive terminals 2 into the insulating body 1 from back to front, the lower flat conductive component 4 and the waterproof adhesive layer 5 move forward into the lower receiving cavity 13, and the front ends of the flat conductive component 4 and the waterproof adhesive layer 5 further move forward into the clearance space 33 of the limiting member 3. The left and right sides of the front end of the flat conductive component 4 respectively enter the clearance grooves 341 on the left and right sides of the limiting member 3 to allow the flat conductive component 4 and the waterproof adhesive layer 5 to move forward, allowing the conductive terminal 2 to continue to be assembled into position. The flat conductive component 4 has a conductive area 41, which is located at the front end of the flat conductive component 4. Multiple conductors 411 are spaced apart in the left-right direction within the conductive area 41. The crimping portions 23 of the plurality of conductive terminals 2 are crimped and fixed to the conductive area 41 in the vertical direction. That is, each conductor 411 abuts against the plurality of protrusions 2311 of the corresponding plate portion 231 in the vertical direction. The plurality of piercing portions 232 on the left and right sides of the plate portion 231 are respectively located on the left and right sides of the corresponding conductor 411 and pierce the conductive area 41. The arrangement of the protrusions 2311 can increase the contact area between the conductive terminal 2 and the conductor 411, making the signal transmission between the conductive terminal 2 and the flat conductive component 4 more stable. The plurality of piercing portions 232 on the left and right sides of the plate portion 231 are respectively located on the left and right sides of the corresponding conductor 411 and pierce the conductive area 41, avoiding the situation where the piercing portions 232 directly pierce the conductor 411, causing the conductor 411 to deform or shift and fail to stably connect with the conductive terminal 2.

[0046] like Figures 2-4As shown, the waterproof adhesive layer 5 comprises one or more of butyl rubber, isoprene rubber, butadiene rubber, and silicone rubber, so that the hardness of the waterproof adhesive layer 5 is less than that of the insulating body 1. Since the flat conductive piece 4 is soft and thin, it cannot be covered by the crimping portion 23 and the conductive area 41 by injection molding using a plastic material as the insulating body 1, but is covered by the waterproof adhesive layer 5 made of the above-mentioned materials at the crimping portion 23 and the conductive area 41, thereby protecting the connection of the crimping portion 23 and the conductive area 41. The first tab 222 and the second tab 224 are located outside the waterproof adhesive layer 5, i.e. the first tab 222 and the second tab 224 are located in front of the waterproof adhesive layer 5. In this embodiment, two waterproof adhesive layers 5 are provided, and the two waterproof adhesive layers 5 are respectively covered and fixed on the crimping portion 23 and the corresponding conductive area 41 of the upper and lower rows of conductive terminals 2, so that the crimping portion 23 and the conductive area 41 can be more stably contacted and conducted with each other, and the contact short circuit of two adjacent conductive terminals 2 due to shaking and deviation can be avoided. After the waterproof adhesive layer 5 covers the crimping portion 23 and the conductive area 41, the conductive terminal 2 is assembled forwardly into the insulating body 1, and the two waterproof adhesive layers 5 are respectively accommodated forwardly into the two accommodation cavities 13.

[0047] In summary, the electric connector assembly has the following advantages:

[0048] 1. The abutting position 2221 is a portion protruding downwardly from the surface of the waterproof adhesive layer 5 in the upward-downward direction, and the portion is used for the jig to push the abutting position 2221 to push the front section of the conductive terminal 2 into the terminal groove 11 through the accommodation cavity 13, thereby facilitating the forward assembly of the conductive terminal 2 into the insulating body 1, so that the conductive terminal 2 is conveniently installed and positioned in the insulating body 1. Since the jig directly applies force to the abutting position 2221, the waterproof adhesive layer 5 is not damaged, so that the connection position of the conductive terminal 2 and the flat conductive piece 4 is better protected to prevent oxidation and ensure the connection stability of the conductive terminal 2 and the flat conductive piece 4.

[0049] 2、the second wall 133 downwardly concave with a plurality of the first foolproof slot 134, the first tab 222 downwardly extending length is less than the foolproof part 2121 downwardly extending length, the foolproof part 2121 forwardly through the first foolproof slot 134, finally housed in the terminal slot 11, the first tab 222 and the foolproof part 2121 in front and back direction alignment arrangement, so that the first tab 222 can along the path of the foolproof part 2121 into the insulation body 1, the first tab 222 forwardly through the first foolproof slot 134, avoid the first tab 222 bottom surface scratch to the second wall 133, so that the conductive terminal 2 can be smoothly assembled into the insulation body 1.

[0050] 3、from the limiting piece 3 rear end is provided with the let go space 33, the let go space 33 is longitudinally arranged along the left and right direction, the limiting piece 3 has two end walls 34 in the left and right direction, from the rear end of each end wall 34 faces forwardly concave with the let go slot 341, each let go slot 341 in the left and right direction through the end wall 34, so that the let go slot 341 and the let go space 33 are communicated, so that the lower row of the conductive terminal 2 is inserted into the insulation body 1 from rear to front, the lower flat conductive member 4 and the waterproof adhesive layer 5 forwardly enter the lower receiving cavity 13, and the front end part of the flat conductive member 4 and the waterproof adhesive layer 5 further forwardly enter the let go space 33 of the limiting piece 3, the left and right sides of the front end of the flat conductive member 4 respectively enter the let go slot 341 of the left and right sides of the limiting piece 3, so as to let go the flat conductive member 4 and the waterproof adhesive layer 5, so that the conductive terminal 2 can continue to be assembled forwardly in place.

[0051] 4、the connecting part 22 along the left and right direction of the other side extends the second tab 224 in the up and down direction, the second tab 224 and the first tab 222 are oppositely arranged in the left and right direction and the rear end surface is flush arranged, the rear end surface of the second tab 224 and the rear end surface of the first tab 222 are jointly stopped in front of the flat conductive member 4 in the front and back direction, so as to position the flat conductive member 4 by the rear end surface of the second tab 224 and the first tab 222, so that the conductive terminal 2 and the flat conductive member 4 are better pressed, ensuring that each conductive terminal 2 and the flat conductive member 4 are correctly pressed in the front and back direction without skewing, and the conductive terminal 2 and the flat conductive member 4 can be smoothly assembled to the insulation body 1.

[0052] 5. The second protrusion 224 is shorter than the first protrusion 222 in length, which ensures that the first protrusion 222 can form an effective abutment position 2221, while the second protrusion 224 can effectively avoid the stop part 36, thus ensuring the effective blocking effect of the stop part 36.

[0053] The above detailed description is only a description of the preferred embodiment of this utility model and is not intended to limit the patent scope of this utility model. Therefore, all equivalent technical changes made using the content of this invention's specification and illustrations are included within the patent scope of this invention.

Claims

1. An electrical connector assembly comprising: The electric connector assembly comprises: an insulating body having a plurality of terminal slots opened along a front-rear direction, the plurality of terminal slots being arranged in at least one row along a left-right direction, at least one accommodating cavity being located at a rear of the plurality of terminal slots and being communicated with the plurality of terminal slots along the front-rear direction; a plurality of conductive terminals, each of the conductive terminals having a crimping portion and an abutting position located in front of the crimping portion; at least one flat conductive member having a conductive area, the crimping portions of the plurality of conductive terminals being crimped and fixed to the conductive area along an up-down direction; at least one waterproof adhesive layer, the waterproof adhesive layer covering the conductive area and the crimping portions, one side of the abutting position in the up-down direction protruding from a surface of the waterproof adhesive layer to allow a jig to push the abutting position to push a front segment of the conductive terminal into the terminal slot through the accommodating cavity, the waterproof adhesive layer being accommodated in the accommodating cavity.

2. The electrical connector assembly of claim 1, wherein: Each of the conductive terminals further has a mating portion, a front segment of the conductive terminal forming the mating portion, a rear segment of the conductive terminal forming the crimping portion to be accommodated in the accommodating cavity, a connecting portion being connected between the mating portion and the crimping portion, the connecting portion extending a first tab along the up-down direction on one side of the left-right direction, the first tab protruding from the surface of the waterproof adhesive layer along the up-down direction to form the abutting position.

3. The electrical connector assembly of claim 2, wherein: The mating portion is convexly provided downward with a foolproof portion, the accommodating cavity is respectively provided with a first wall and a second wall on both sides of the up-down direction, the second wall is concavely provided with a plurality of first foolproof slots downward, a length of the first tab extending downward is less than or equal to a length of the foolproof portion extending downward, the foolproof portion enters the terminal slot through the first foolproof slot, the foolproof portion and the first tab are arranged in alignment in the front-rear direction.

4. The electrical connector assembly of claim 2, wherein: The connecting portion extends a second tab along the up-down direction on the other side of the left-right direction, the second tab is arranged opposite to the first tab along the left-right direction and is arranged in flush with a rear end surface, the first tab and the second tab are located in front of the flat conductive member, the rear end surface of the first tab and the rear end surface of the second tab jointly stop a front end surface of the flat conductive member in the front-rear direction.

5. The electrical connector assembly of claim 3, wherein: A limiting slot is concavely provided upward from a lower surface of the insulating body between and communicated with the terminal slots and the accommodating cavity, a limiting member is installed in the limiting slot, the limiting member has a plurality of communication slots arranged in a row along the left-right direction to allow the plurality of conductive terminals to pass through, a stop portion is convexly provided upward on a front segment of a slot bottom wall of the communication slot to stop the conductive terminal from exiting rearward, the connecting portion extends the second tab along the up-down direction on the other side of the left-right direction, a lower end of the second tab is not lower than a lower surface of the waterproof adhesive layer, the second tab enters the communication slot and is located rearward of the stop portion, a second foolproof slot is concavely provided downward on one side of the left-right direction of the stop portion on the slot bottom wall of the communication slot, the second foolproof slot is in front-rear alignment with the first foolproof slot, the first tab is accommodated in the second foolproof slot.

6. The electrical connector assembly of claim 5, wherein: A space is arranged at the rear end of the limiting member, the space is arranged longitudinally along the left-right direction, the rear ends of the plurality of communication grooves are communicated with the space, the limiting member has two end walls along the left-right direction, a space is arranged at the rear end of each end wall, the two spaces are communicated with the space along the left-right direction, the front end of the flat conductive member and the waterproof layer enters the space, and the left and right sides of the front end of the flat conductive member enter the spaces.

7. The electrical connector assembly of claim 1, wherein: The insulating body is made of plastic material, the waterproof layer contains one or more of butyl rubber, isoprene rubber, butadiene rubber and silicone rubber, and the hardness of the waterproof layer is less than that of the insulating body.

8. The electrical connector assembly of claim 2, wherein: The crimping part has a plate part and a plurality of piercing parts formed by bending and extending from the left and right sides of the plate part, the piercing parts on the left and right sides of the plate part are arranged staggered and the number of the piercing parts on the left and right sides of the plate part is not equal, the length of the piercing part is greater than the length of the first tab, the plate part is provided with a plurality of convex ribs, the end of each piercing part is arranged tapered, the thickness of the end of the piercing part is less than the thickness of the root of the piercing part, a plurality of conductive bodies are arranged in the left-right direction, each conductive body is in contact with a plurality of convex ribs of the corresponding plate part along the up-down direction, and the plurality of piercing parts on the left and right sides of the plate part are respectively arranged on the left and right sides of the corresponding conductive body and pierce the conductive area.

9. The electrical connector assembly of claim 2, wherein: The terminal grooves are arranged in two rows along the left-right direction, the wall thickness of the lower wall of the terminal groove in the lower row is greater than the wall thickness of the upper wall of the terminal groove in the upper row.

10. The electrical connector assembly of claim 2, wherein: The upper and lower sides of the accommodation cavity are respectively provided with a first wall and a second wall, the waterproof layer accommodated in the accommodation cavity has a gap with the second wall, the first tab is exposed in the gap, and the gap is used for the jig to enter to push the abutting position of the first tab. A space is arranged at the rear end of the limiting member, the space is arranged longitudinally along the left-right direction, the rear ends of the plurality of communication grooves are communicated with the space, the limiting member has two end walls along the left-right direction, a space is arranged at the rear end of each end wall, the two spaces are communicated with the space along the left-right direction, the front end of the flat conductive member and the waterproof layer enters the space, and the left and right sides of the front end of the flat conductive member enter the spaces.

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