Connector

Abstract

The utility model discloses a connector, which comprises a shell, a base is arranged in the shell, one end of the base is provided with a plugging cavity, a terminal module is arranged in the plugging cavity, one end of the base far away from the plugging cavity is provided with an insulating seat, and the upper surface and the lower surface of the base are respectively provided with an outer layer; a first shielding sheet and a second shielding sheet which are symmetrically arranged up and down are arranged on the outer side of one end, close to the plugging cavity, of the base, and are respectively arranged on the outer layers of the upper and lower surfaces of one end, close to the plugging cavity, of the base; the first shielding sheet comprises a substrate, the substrate is provided with a second elastic sheet which is bent and protrudes outwards, the free end of the second elastic sheet is arranged backwards away from the plugging cavity, and the free end of the second elastic sheet is arranged towards the direction of the insulating seat; the shell is provided with a through groove matched and corresponding to the second elastic piece, and the second elastic piece protrudes and extends out of the through groove to be arranged on the outer side of the shell. According to the utility model, the reverse external EMI area is arranged on the surface of the shell of the connector, so that the length of the connector is shortened, and the insertion force is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of connectors, and mainly relates to a connector which can effectively shield EMI (electromagnetic interference). Background Art

[0002] With the continuous development of electronic products, connectors are widely used. Connectors are widely used in charging and signal transmission of electronic products. Connectors adapt to the performance trends of faster, more compatible, and more durable. As the functions of electronic products become more and more abundant, the amount of data and power transmitted increases significantly. When the amount of signal transmission increases during use, EMI electromagnetic waves are also generated. This electromagnetic wave will affect the transmission signal of the connector, causing interference with the signal or unstable conditions.

[0003] Conventional TYPE C Plug connectors include a terminal contact area and a built-in EMI (electromagnetic interference) contact area. The terminal contact area and the EMI (electromagnetic interference) contact area are arranged front and back on the same plane, and the EMI (electromagnetic interference) contact area extends forward at the front of the terminal contact area, resulting in a too long connector length and poor plug-in feel. Based on higher requirements for EMI (electromagnetic interference) shielding and plug-in feel, it is necessary to improve existing products. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a connector, especially to improve the plug-in structure of the EMI contact area of ​​the plug-in contact connector, adopt a reverse external EMI area, and the reverse EMI spring (shielding spring) is arranged behind the terminal contact area (terminal contact section) to reduce the length of the connector.

[0005] In order to solve the existing technical problems, the utility model adopts the following technical solutions:

[0006] A connector comprises a housing, a base is arranged in the housing, a plug-in cavity is arranged at one end of the base, a terminal module is arranged in the plug-in cavity, an insulating seat is arranged at one end of the base away from the plug-in cavity, and outer layers are arranged on the upper and lower surfaces of the base respectively;

[0007] A first shielding sheet and a second shielding sheet are symmetrically arranged on the outer side of the base near the plug-in cavity, and the first shielding sheet and the second shielding sheet are respectively arranged on the outer layers of the upper and lower surfaces of the base near the plug-in cavity;

[0008] The first shielding sheet includes a base sheet, on which a second spring sheet is bent and protruded outwardly, the free end of the second spring sheet is arranged backward away from the plug-in cavity, and the free end of the second spring sheet is arranged toward the insulating seat; a through groove matching and corresponding to the second spring sheet is opened on the shell, the second spring sheet protrudes from the through groove and extends to be arranged outside the shell, and the through groove is arranged at one end of the shell close to the plug-in cavity;

[0009] The second shielding sheet has the same structure as the first shielding sheet.

[0010] Furthermore, in some embodiments, a first elastic sheet is provided at one end of the substrate away from the insertion cavity and is bent outward and protrudes, the first elastic sheet extends outside the substrate, and the first elastic sheet is spaced apart from the second elastic sheet;

[0011] A plurality of outwardly protruding convex points are provided on the substrate;

[0012] A distance D1 is set between the first outer top of the first spring sheet and the second outer top of the second spring sheet, and the first outer top of the first spring sheet is lower than the second outer top of the second spring sheet; a distance D2 is set between the first outer top of the first spring sheet and the convex top of the convex point, and the first outer top of the first spring sheet is higher than the convex top of the convex point;

[0013] There is a distance D3 between the end of the first spring sheet away from the plug-in cavity (the bottom of the elbow) and the inner bottom surface of the substrate. The end of the first spring sheet away from the plug-in cavity (the bottom of the elbow) is higher than the inner bottom surface of the substrate; the length of the distance D3 is greater than or equal to the length of the distance D2.

[0014] Furthermore, in some embodiments, the second elastic sheet is bent outward from the middle of the base sheet and protrudes, and tear grooves are provided on both sides of the second elastic sheet, and the tear grooves are opened on the base sheet;

[0015] The convex top of the protrusion is tightly set on the inner wall of the shell, and the first outer top of the first elastic piece is tightly set on the inner wall of the shell; the second outer top of the second elastic piece is higher than the outer surface of the shell by a distance equal to or greater than the distance D1.

[0016] Furthermore, in some embodiments, a spacing D4 is provided between the second outer top end of the second spring sheet and the terminal contact section, the second outer top end of the second spring sheet is arranged close to the first insulating seat (towards the back), the terminal contact section is arranged close to the plug-in cavity (towards the front), and the second outer top end of the second spring sheet is located at a spacing D4 to the rear of the terminal contact section away from the plug-in cavity.

[0017] Furthermore, in some embodiments, bent clip wings facing the base are provided on both sides of the substrate, and snap grooves are provided on the bent clip wings; side grooves corresponding to the bent clip wings are provided on both sides of the base, and the side grooves are arranged on the outside of both sides of the outer layer, and the bent clip wings are arranged in the side grooves; a snap seat corresponding to the snap groove is provided in the side groove, and the snap groove is snap-arranged on the snap seat.

[0018] Furthermore, in some embodiments, a first avoidance groove corresponding to the first spring clip is provided on the outer wall of the outer layer, and the end (elbow) of the first spring clip away from the plug-in cavity is arranged in the first avoidance groove; a second avoidance groove corresponding to the second spring clip is provided on the outer wall of the outer layer, and the end (elbow) of the second spring clip away from the plug-in cavity is arranged above the second avoidance groove.

[0019] Furthermore, in some embodiments, a positioning groove is provided on the outer wall of the outer layer close to one end of the plug-in cavity, an isolation sheet is clamped in the positioning groove, and the first shielding sheet covers the isolation sheet;

[0020] The second shielding sheet has the same structure as the first shielding sheet.

[0021] Furthermore, in some embodiments, a receiving cavity is provided at one end of the base away from the plug-in cavity, a longitudinal middle partition is provided in the middle of the base, the middle partition is arranged between the receiving cavity and the plug-in cavity, and the middle partition divides the base into two cavities, namely, the receiving cavity and the plug-in cavity;

[0022] Several fences are respectively provided at the upper and lower ends of the middle partition, and slots are provided on the outer inner walls (inner sides) of the upper and lower surfaces of the base. The fences are connected to the slots, and an inwardly bent hook is provided at the end of the slot close to the plug-in cavity; an avoidance slot is provided at the end of the outer layer close to the plug-in cavity, and the avoidance slot is connected to the slot, and the hook is provided on the side of the avoidance slot close to the plug-in cavity.

[0023] Further, in some embodiments, the insulating seat includes a first insulating seat and a second insulating seat, the terminal module includes a first terminal module and a second terminal module, the first insulating seat is injection molded and arranged on the first terminal module, and the second insulating seat is injection molded and arranged on the second terminal module;

[0024] A first insulating seat and a second insulating seat are provided in the accommodating cavity, the first insulating seat and the second insulating seat are buckled and connected, and the first insulating seat and the second insulating seat are abutted and arranged on the middle partition near one end of the plug-in cavity; the ends of the first terminal module and the second terminal module extending toward the plug-in cavity are respectively provided with bent card ends.

[0025] Furthermore, in some embodiments, the first terminal module and the second terminal module are respectively provided with a terminal contact section protruding inwardly on one side close to the bent card end, and the terminal contact section of the first terminal module and the terminal contact section of the second terminal module are arranged opposite to each other; the first terminal module and the second terminal module are respectively inserted into the slots on the inner sides of the upper and lower outer layers, and a group of terminal contact sections arranged face to face on the first terminal module and the second terminal module form a terminal contact area; the bent card ends at the ends of the first terminal module and the second terminal module are tightly arranged on the inner side of the hook.

[0026] The utility model adopts a method of setting a reverse external EMI area on the shell surface of the connector. The reverse external EMI area is set after the terminal contact section (terminal contact area), shortening the length of the connector, reducing the insertion force, and facilitating magnetic attraction and gravity-based plug-in contact; the EMI spring clip (shielding spring clip) added in the reverse direction ensures the grounding effect after the male and female are mated; the EMI spring clip contact has a better plug-in and pull-out feel and better strength.

[0027] When the connector (male head) of the utility model is plugged into the peripheral connector (female socket), the female socket connector is connected through the reverse external EMI area to form a ground loop, which releases the noise, electromagnetic waves and static electricity generated during use, avoids the influence of noise, electromagnetic waves and static electricity on the transmission signal of the connector, and ensures the stable use of electronic products. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an exploded schematic diagram of an embodiment of the utility model;

[0029] Figure 2 It is a three-dimensional schematic diagram of an embodiment of the utility model;

[0030] Figure 3 It is a schematic structural diagram of the shielding sheet part of the embodiment of the utility model;

[0031] Figure 4 It is a schematic diagram of the assembly of the shielding sheet part of the embodiment of the utility model;

[0032] Figure 5 It is a cross-sectional structural diagram of an embodiment of the utility model;

[0033] Figure 6 It is a structural schematic diagram of an embodiment of the utility model.

[0034] Markings in the figure:

[0035] Shell 11, through groove 12, first insulating seat 13, first terminal module 14, second insulating seat 15, second terminal module 16, isolation sheet 17, bent card end 18, base 21, plug-in cavity 22, accommodating cavity 23, middle partition 24, fence 25, slot 26, hook 27, avoidance notch 28, first shielding sheet 31, second shielding sheet 32, protrusion 33, first spring sheet 34, second spring sheet 35, bent card wing 36, tear groove 37, buckle groove 38, base sheet 39, side groove 41, buckle seat 42, positioning groove 43, first avoidance groove 44, second avoidance groove 45, terminal contact section 46, outer layer 47, first outer top 48, second outer top 49. DETAILED DESCRIPTION

[0036] In order to further understand the features, technical means, and specific purposes and functions achieved by the present invention, the embodiments in this application and the features in the embodiments can be combined with each other without conflict. In order to further understand the features, technical means, and specific purposes and functions achieved by the present invention, and to analyze the advantages and spirit of the present invention, a further understanding is obtained through the following detailed description of the present invention in combination with the accompanying drawings and specific implementation methods.

[0037] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "front", "rear" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0038] To further illustrate the features and technical means of this application, please refer to the attached Figure 2 As shown, attached Figure 2 The finished product structure of this design is shown in the figure. This design includes a shell 11, a base 21 is provided in the shell 11, a plug-in cavity 22 is provided at one end of the base 21, a terminal module is provided in the plug-in cavity 22, and an insulating seat is provided at one end of the base 21 away from the plug-in cavity 22.

[0039] The insulating seat includes a first insulating seat 13 and a second insulating seat 15 , and the terminal module includes a first terminal module 14 and a second terminal module 16 . The first insulating seat 13 is injection molded and disposed on the first terminal module 14 , and the second insulating seat 15 is injection molded and disposed on the second terminal module 16 .

[0040] See attached Figure 5 As shown, attached Figure 5 The cross-sectional structure of the base 21 of the present design is shown in the figure. The end of the base 21 away from the plug-in cavity 22 is provided with a receiving cavity 23. A longitudinal middle partition 24 is provided in the middle of the base 21. The middle partition 24 is arranged between the receiving cavity 23 and the plug-in cavity 22. The middle partition 24 divides the base 21 into two cavities, the receiving cavity 23 and the plug-in cavity 22. A plurality of fences 25 are respectively provided at the upper and lower ends of the middle partition 24. A slot 26 is provided on the inner wall (inner side) of the upper and lower outer layers 47 of the base 21. The fence 25 and the slot 26 are connected. The end of the slot 26 close to the plug-in cavity 22 is provided with a hook 27 bent inwardly. The end of the outer layer 47 close to the plug-in cavity 22 is provided with an avoidance slot 28. The avoidance slot 28 is connected with the slot 26. The hook 27 is arranged on the side of the avoidance slot 28 close to the plug-in cavity 22.

[0041] Further, in some embodiments, see the attached Figure 6 As shown, attached Figure 6The associated structure of the terminal contact section 46 of the present design is shown in the figure, a first insulating seat 13 and a second insulating seat 15 are provided in the accommodating cavity 23, the first insulating seat 13 and the second insulating seat 15 are snap-fitted and connected, the first insulating seat 13 and the second insulating seat 15 are abutted against each other on the middle partition 24 near one end of the plug-in cavity 22; a first terminal module 14 is injection-molded on the first insulating seat 13, and a second terminal module 16 is injection-molded on the second insulating seat 15, and the ends of the first terminal module 14 and the second terminal module 16 extending toward the plug-in cavity 22 are respectively provided with bent card ends 18.

[0042] Further, in some embodiments, the first terminal module 14 and the second terminal module 16 are respectively provided with an inwardly protruding terminal contact section 46 on one side close to the bent card end 18, and the terminal contact section 46 of the first terminal module 14 is arranged opposite to the terminal contact section 46 of the second terminal module 16. The first terminal module 14 and the second terminal module 16 are respectively inserted into the slots 26 on the inner side of the upper and lower outer layers 47, and a group of terminal contact sections 46 arranged face to face on the first terminal module 14 and the second terminal module 16 form a terminal contact area; the bent card ends 18 at the ends of the first terminal module 14 and the second terminal module 16 are tightly arranged on the inner side of the hook 27.

[0043] See attached Figure 1 As shown, attached Figure 1 The shielding plate structure of the present design is shown in the figure. A first shielding plate 31 and a second shielding plate 32 are symmetrically arranged on the outer side of the base 21 near the plug-in cavity 22. Furthermore, the first shielding plate 31 and the second shielding plate 32 are respectively arranged on the outer layer 47 of the upper and lower surfaces of the base 21 near the plug-in cavity 22.

[0044] See attached Figure 3 As shown, attached Figure 3 The specific structure of the shielding sheet of the present design is shown in the figure. The first shielding sheet 31 includes a base sheet 39. The base sheet 39 is provided with a second elastic sheet 35 that is bent outward and protrudes. The free end of the second elastic sheet 35 is arranged backward away from the plug-in cavity 22. In other words, the free end of the second elastic sheet 35 is arranged toward the first insulating seat 13. The housing 11 is provided with a through slot 12 that matches the second elastic sheet 35. The second elastic sheet 35 protrudes from the through slot 12 and extends to the outside of the housing 11. The through slot 12 is arranged at one end of the housing 11 close to the plug-in cavity 22.

[0045] The base sheet 39 is provided with a plurality of outwardly protruding bumps 33 . The end of the base sheet 39 away from the insertion cavity 22 is provided with a first elastic sheet 34 that is bent and protrudes outward. The first elastic sheet 34 extends outside the base sheet 39 . The first elastic sheet 34 and the second elastic sheet 35 are spaced apart.

[0046] Further, in some embodiments, a spacing D1 is provided between the first outer top 48 of the first spring clip 34 and the second outer top 49 of the second spring clip 35, and the first outer top 48 of the first spring clip 34 is lower than the second outer top 49 of the second spring clip 35; a spacing D2 is provided between the first outer top 48 of the first spring clip 34 and the convex top of the protrusion 33, and the first outer top 48 of the first spring clip 34 is higher than the convex top of the protrusion 33; a spacing D3 is provided between the end of the first spring clip 34 away from the plug-in cavity 22 (the bottom end of the elbow) and the inner bottom surface of the substrate 39, and the end of the first spring clip 34 away from the plug-in cavity 22 (the bottom end of the elbow) is higher than the inner bottom surface of the substrate 39; the length of the spacing D3 is greater than or equal to the length of the spacing D2.

[0047] The second elastic piece 35 is bent outwardly and protrudes from the middle of the base plate 39 . A tearing groove 37 is provided on both sides of the second elastic piece 35 . The tearing groove 37 is opened on the base plate 39 .

[0048] See attached Figure 5 , Attachment Figure 6 As shown, attached Figure 5 , Attachment Figure 6 The figure shows the interference structure between the first spring piece 34 and the shell 11 of the present design. The convex top of the protrusion 33 is tightly set on the inner wall of the shell 11, and the first outer top 48 of the first spring piece 34 is tightly set on the inner wall of the shell 11; the second outer top 49 of the second spring piece 35 is higher than the outer surface of the shell 11 by a distance equal to or greater than the length of the spacing D1.

[0049] There is a spacing D4 between the second outer top 49 of the second spring piece 35 and the terminal contact section 46. The second outer top 49 of the second spring piece 35 is arranged close to the first insulating seat 13 (towards the back), and the terminal contact section 46 is arranged close to the plug-in cavity 22 (towards the front). In other words, the second outer top 49 of the second spring piece 35 is located at a spacing D4 to the rear of the terminal contact section 46 away from the plug-in cavity 22.

[0050] Further, in some embodiments, see the attached Figure 4 As shown, attached Figure 4 The associated structure of the base 21 of the present design is shown in the figure. Bend latch wings 36 facing the base 21 are provided on both sides of the substrate 39, and buckle grooves 38 are provided on the bent latch wings 36; side grooves 41 corresponding to the bent latch wings 36 are provided on both sides of the base 21, and the side grooves 41 are arranged on the outside of both sides of the outer layer 47, and the bent latch wings 36 are arranged in the side grooves 41; a buckle seat 42 corresponding to the buckle groove 38 is provided in the side groove 41, and the buckle groove 38 is buckled on the buckle seat 42.

[0051] A first avoidance groove 44 matching the first spring clip 34 is provided on the outer wall of the outer layer 47, and one end (elbow) of the first spring clip 34 away from the plug-in cavity 22 is arranged in the first avoidance groove 44; a second avoidance groove 45 matching the second spring clip 35 is provided on the outer wall of the outer layer 47, and one end (elbow) of the second spring clip 35 away from the plug-in cavity 22 is arranged above the second avoidance groove 45.

[0052] A positioning groove 43 is formed on the outer wall of the outer layer 47 close to one end of the plug-in cavity 22 . The isolation sheet 17 is clamped in the positioning groove 43 . The first shielding sheet 31 covers the isolation sheet 17 .

[0053] The second shielding sheet 32 ​​has the same structure as the first shielding sheet 31 .

[0054] The above embodiments only express several preferred implementations of the utility model, and the descriptions thereof are relatively specific and detailed. It should be understood that the utility model is not limited to the forms disclosed herein, and should not be regarded as the exclusion of other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge in the relevant field, and cannot be understood as limiting the scope of the utility model. It should be pointed out that for ordinary technicians in this field, several deformations and improvements can be made without departing from the concept of the utility model. The changes and modifications made by the personnel in this field do not depart from the spirit and scope of the utility model, and all of these belong to the protection scope of the claims attached to the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A connector, comprising: A shell (11), wherein a base (21) is provided in the shell (11), a plug-in cavity (22) is provided at one end of the base (21), and a terminal module is provided in the plug-in cavity (22); characterized in that an insulating seat is provided at one end of the base (21) away from the plug-in cavity (22), and an outer layer (47) is provided on the upper and lower surfaces of the base (21); a first shielding sheet (31) and a second shielding sheet (32) are symmetrically arranged on the outer side of the base (21) near the plug-in cavity (22), and the first shielding sheet (31) and the second shielding sheet (32) are respectively arranged on the outer layer (47) on the upper and lower surfaces of the base (21) near the plug-in cavity (22); The first shielding sheet (31) comprises a base sheet (39), the base sheet (39) being provided with a second elastic sheet (35) which is bent and protruded outwards, the free end of the second elastic sheet (35) being arranged backwards away from the plug-in cavity (22), and the free end of the second elastic sheet (35) being arranged in the direction of the insulating seat; the shell (11) being provided with a through slot (12) which matches and corresponds to the second elastic sheet (35), the second elastic sheet (35) protruding from the through slot (12) and extending to be arranged outside the shell (11), and the through slot (12) being arranged at one end of the shell (11) close to the plug-in cavity (22); The second shielding sheet (32) has the same structure as the first shielding sheet (31).

2. A connector according to claim 1, characterized in that: A first elastic sheet (34) is provided at one end of the base sheet (39) away from the insertion cavity (22) and is bent outward and protrudes, the first elastic sheet (34) extending outside the base sheet (39), and the first elastic sheet (34) and the second elastic sheet (35) are arranged at intervals; The substrate (39) is provided with a plurality of protruding points (33) protruding outwards; A spacing D1 is provided between the first outer top end (48) of the first spring sheet (34) and the second outer top end (49) of the second spring sheet (35), and the first outer top end (48) of the first spring sheet (34) is lower than the second outer top end (49) of the second spring sheet (35); a spacing D2 is provided between the first outer top end (48) of the first spring sheet (34) and the convex top end of the convex point (33), and the first outer top end (48) of the first spring sheet (34) is higher than the convex top end of the convex point (33); A distance D3 is provided between one end of the first elastic sheet (34) away from the insertion cavity (22) and the inner bottom surface of the substrate (39); the one end of the first elastic sheet (34) away from the insertion cavity (22) is higher than the inner bottom surface of the substrate (39); The length of the interval D3 is greater than or equal to the length of the interval D2.

3. A connector according to claim 2, characterized in that: The second elastic sheet (35) is bent outwardly and protrudes from the middle of the base sheet (39), and tear grooves (37) are provided on both sides of the second elastic sheet (35), and the tear grooves (37) are opened on the base sheet (39); The convex top end of the convex point (33) is tightly disposed on the inner wall of the shell (11), and the first outer top end (48) of the first elastic sheet (34) is tightly disposed on the inner wall of the shell (11); the second outer top end (49) of the second elastic sheet (35) is higher than the outer surface of the shell (11) by a distance equal to or greater than the length of the spacing D1.

4. A connector according to claim 3, characterized in that: A spacing D4 is provided between the second outer top end (49) of the second spring sheet (35) and the terminal contact section (46); the second outer top end (49) of the second spring sheet (35) is arranged close to the first insulating seat (13); the terminal contact section (46) is arranged close to the plug-in cavity (22); and the second outer top end (49) of the second spring sheet (35) is located at a distance D4 backward from a side of the terminal contact section (46) away from the plug-in cavity (22).

5. A connector according to claim 1, characterized in that: The base sheet (39) is provided with bent latch wings (36) facing the base (21) on both sides, and a buckle groove (38) is provided on the bent latch wings (36); the base (21) is provided with side grooves (41) corresponding to the bent latch wings (36), the side grooves (41) are arranged outside the two sides of the outer layer (47), and the bent latch wings (36) are arranged in the side grooves (41); the side grooves (41) are provided with a buckle seat (42) corresponding to the buckle groove (38), and the buckle groove (38) is buckled on the buckle seat (42).

6. A connector according to claim 1, characterized in that: A first avoidance groove (44) matching and corresponding to the first elastic sheet (34) is provided on the outer wall of the outer layer (47); an end of the first elastic sheet (34) away from the plug-in cavity (22) is arranged in the first avoidance groove (44); A second avoidance groove (45) matching and corresponding to the second elastic sheet (35) is provided on the outer wall of the outer layer (47); an end of the second elastic sheet (35) away from the plug-in cavity (22) is arranged above the second avoidance groove (45).

7. A connector according to claim 1, characterized in that: A positioning groove (43) is provided on the outer wall of the outer layer (47) close to one end of the plug-in cavity (22), an isolation sheet (17) is clamped in the positioning groove (43), and a first shielding sheet (31) covers the isolation sheet (17); The second shielding sheet (32) has the same structure as the first shielding sheet (31).

8. A connector according to claim 1, characterized in that: An accommodating cavity (23) is provided at one end of the base (21) away from the plug-in cavity (22), and a longitudinal middle partition (24) is provided in the middle of the base (21). The middle partition (24) is arranged between the accommodating cavity (23) and the plug-in cavity (22), and the middle partition (24) divides the base (21) into two cavities, namely, the accommodating cavity (23) and the plug-in cavity (22); A plurality of fences (25) are respectively provided at the upper and lower ends of the middle partition plate (24); slots (26) are provided on the inner walls of the outer layer (47) on the upper and lower surfaces of the base (21); the fences (25) and the slots (26) are interlinked; an end of the slot (26) close to the plug-in cavity (22) is provided with an inwardly bent hook (27); an avoidance notch (28) is provided at one end of the outer layer (47) close to the plug-in cavity (22); the avoidance notch (28) and the slot (26) are interlinked; the hook (27) is provided on one side of the avoidance notch (28) close to the plug-in cavity (22).

9. The connector according to claim 1, characterized in that: The insulating seat comprises a first insulating seat (13) and a second insulating seat (15); the terminal module comprises a first terminal module (14) and a second terminal module (16); the first insulating seat (13) is injection-molded and arranged on the first terminal module (14); and the second insulating seat (15) is injection-molded and arranged on the second terminal module (16); The first insulating seat (13) and the second insulating seat (15) are provided in the accommodating cavity (23); the first insulating seat (13) and the second insulating seat (15) are snap-fitted and connected; the first insulating seat (13) and the second insulating seat (15) are arranged on the middle partition plate (24) in abutment with each other at one end close to the plug-in cavity (22); and the ends of the first terminal module (14) and the second terminal module (16) extending toward the plug-in cavity (22) are respectively provided with bent card ends (18).

10. A connector according to claim 9, characterized in that: The first terminal module (14) and the second terminal module (16) are respectively provided with an inwardly protruding terminal contact section (46) on one side close to the bent card end (18), and the terminal contact section (46) of the first terminal module (14) and the terminal contact section (46) of the second terminal module (16) are arranged opposite to each other; the first terminal module (14) and the second terminal module (16) are respectively inserted into the slots (26) on the inner sides of the upper and lower outer layers (47), and a group of the terminal contact sections (46) arranged face to face on the first terminal module (14) and the second terminal module (16) form a terminal contact area; the bent card ends (18) at the ends of the first terminal module (14) and the second terminal module (16) are tightly arranged on the inner side of the hook (27).

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