Manufacturing method of type-c connector with identification resistor and connector

Abstract

A manufacturing method of a Type-C connector with identification resistance and the connector, wherein the method comprises punching a material band, punching positive and negative units of the material band, stacking the positive and negative units, and installing a hook piece, cutting off the connection part and the material bridge of the hook piece, injection molding a containing shell, cutting off an auxiliary material band, cutting off the positive and negative auxiliary material bands, and bending the positive and negative welding feet. The application has the advantages of directly welding the resistance on the negative terminal of the connector and easily punching the auxiliary material bridge.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connector manufacturing, and particularly to a manufacturing method of a Type-C connector with identification resistance and the connector. BACKGROUND

[0002] The existing Type-C connector with identification resistance generally includes a pair of ground terminals, a pair of positive terminals and a pair of signal terminals. In the manufacturing process, the ground terminals and the signal terminals are punched on a first material strip, the signal terminals are located between the ground terminals, and the middle parts of the ground terminals and the signal terminals are connected together by a material bridge; the positive terminals are punched on a second material strip. Before the first injection molding of the connector, the first material strip needs to be stacked together, so that the positive terminals are adjacent to the negative terminals, and the arrangement of the terminals from left to right is the first negative terminal, the first positive terminal, the first signal terminal, the second signal terminal, the second positive terminal and the second negative terminal. In this way, the original first material bridge for connecting the first negative terminal and the first signal terminal, and the second material bridge for connecting the second signal terminal and the second negative terminal are respectively separated into two sections by the first positive terminal and the second positive terminal, and in addition, the third material bridge between the first signal terminal and the second signal terminal, in fact, all the material bridges become five auxiliary material bridges. These auxiliary material bridges must be cut after the first injection molding, otherwise all the terminals will be short-circuited due to the existence of the auxiliary material bridges. In actual production, in order to facilitate the cutting of the auxiliary material bridges, five small inserts are needed to be directly opposite to the five auxiliary material bridges during the injection molding, so that the corresponding auxiliary material bridges are exposed after the injection molding. Since the total width of the Type-C connector is strictly regulated, the volume of the inserts is very small, and the hole relative to the auxiliary material bridge after injection molding is very small, which causes great difficulty in cutting the auxiliary material bridges. In the prior art, there are two methods for cutting the auxiliary material bridges. The first method is to use laser fusion cutting. This method has the defect that the laser equipment is high in cost, and sometimes cannot completely melt the auxiliary material bridge. The second method is to manually punch with a round needle. This method has the defects of slow speed, great difficulty and poor reliability.

[0003] In addition, the existing Type-C connector also has the following problems. First, the identification resistance is welded on the bottom surface of the connector, which causes that the automatic reflow soldering cannot be used for welding, and only manual welding can be used, resulting in low efficiency and easy to cause occupational diseases of welders. Second, the injection molding encapsulation phenomenon (i.e. part of the plastic overflow will be on the identification resistance welding) is easy to occur during the first injection molding, which affects the welding of the identification resistance. Third, the first material strip and the second material strip are folded in the same direction, which makes the electrical gap small and causes short circuit phenomenon during use. In view of the above reasons, it is necessary to improve the manufacturing method of the existing Type-C connector and the structure of the Type-C connector. SUMMARY

[0004] The application provides a manufacturing method of a Type-C connector with an identification resistor and the connector.

[0005] The technical scheme of the application is as follows:

[0006] S1, punching a material belt;

[0007] The first material belt is punched to form at least one positive electrode unit, the positive electrode unit comprises a first positive electrode terminal, a second positive electrode terminal, a first frame-shaped connecting part, a positive electrode welding leg and a positive electrode auxiliary material belt, the first frame-shaped connecting part comprises a first frame-shaped connecting part first edge, a first frame-shaped connecting part second edge, a first frame-shaped connecting part third edge and a first frame-shaped connecting part fourth edge which are connected in a head-to-tail mode, the first positive electrode terminal and the second positive electrode terminal are arranged on the first frame-shaped connecting part first edge at a predetermined distance, the positive electrode welding leg is arranged on one side of the first frame-shaped connecting part third edge relative to the first positive electrode terminal, and the positive electrode auxiliary material belt is connected to the other end of the positive electrode welding leg.

[0008] The second material belt is punched to form at least one negative electrode unit, the negative electrode unit comprises a first negative electrode terminal, a first signal terminal, a second signal terminal and a second negative electrode terminal, a second frame-shaped connecting part, a negative electrode welding leg and a negative electrode auxiliary material belt, the second frame-shaped connecting part comprises a second frame-shaped connecting part material belt edge, a second frame-shaped connecting part second edge, a second frame-shaped connecting part third edge and a second frame-shaped connecting part fourth edge which are connected in a head-to-tail mode, the first negative electrode terminal, the first signal terminal, the second signal terminal and the second negative electrode terminal are arranged on the second frame-shaped connecting part material belt edge at a predetermined distance, a first identification resistor welding leg connected to the first signal terminal and a second identification resistor welding leg connected to the second signal terminal are arranged in the square frame of the second frame-shaped connecting part, and an identification resistor welding leg is arranged on the second frame-shaped connecting part third edge, the negative electrode welding leg is arranged on one side of the second frame-shaped connecting part third edge relative to the second negative electrode terminal, and the negative electrode auxiliary material belt is connected to the other end of the negative electrode welding leg.

[0009] S2, superposition of the positive electrode unit and the negative electrode unit;

[0010] The positive electrode unit and the negative electrode unit are superposed on each other, the first negative electrode terminal, the first positive electrode terminal, the first signal terminal, the second signal terminal, the second positive electrode terminal and the second negative electrode terminal are arranged at a predetermined distance in sequence, and the second frame-shaped connecting part material belt edge is relative to the first frame-shaped connecting part.

[0011] A hook piece is arranged outside the first and second negative terminals, and a hook portion of the hook piece is in close contact with the first and second negative terminals, and a connecting portion of the hook piece is exposed outside the first and second negative terminals;

[0012] S3, injection molding of an insulating glue;

[0013] The assembly formed in the second step is placed in a mold cavity to inject plastic to form an insulating glue, the insulating glue including a terminal tongue portion and a terminal insulating portion, a first identification resistance welding leg, a second identification resistance welding leg and an identification resistance welding leg being reserved on a side of the terminal insulating portion close to the negative welding leg, three material bridge holes being reserved on a side of the terminal insulating portion close to the negative welding leg relative to a material bridge edge of the second frame-shaped connecting portion, and the second frame-shaped connecting portion material bridge edge being reserved in the first frame-shaped connecting portion of the terminal insulating portion close to the positive welding leg;

[0014] S4, cutting of the connecting portion of the hook piece and the material bridge;

[0015] The connecting portion of the hook piece is cut off, and the second frame-shaped connecting portion material bridge edge is cut off;

[0016] S5, injection molding of a containing shell;

[0017] The containing shell is injection molded on the plastic main body of the fourth step, and the terminal tongue portion is suspended in the containing shell;

[0018] S6, cutting off of the auxiliary material belt;

[0019] The positive and negative auxiliary material belts are cut off;

[0020] S7, the positive and negative welding legs are respectively outwardly bent, and bottom surfaces of the positive and negative welding legs are substantially in a same plane.

[0021] Preferably, between the S5 step and the S6 step, there is a waterproof ring injection molding step, a waterproof ring groove is reserved on an outer wall of the containing shell, and a soft plastic is injection molded into a waterproof ring protruding from an outer surface of the containing shell in the waterproof ring groove.

[0022] Preferably, after the S5 step or the S6 step, there is an identification resistance welding step, in which the first and second identification resistances are respectively welded with the first and second identification resistance welding legs.

[0023] The application also provides a Type-C connector manufactured by the manufacturing method.

[0024] The application also provides a Type-C connector, which comprises a positive electrode unit, a negative electrode unit, an insulating glue body and a containing shell, the positive electrode unit comprises a first positive electrode terminal connected with a first frame-shaped connecting part, a second positive electrode terminal and a positive electrode welding leg; the negative electrode unit comprises a first negative electrode terminal connected with a second frame-shaped connecting part, a first signal terminal, a second signal terminal, a second negative electrode terminal and a negative electrode welding leg; the insulating glue body comprises a terminal tongue part and a terminal insulating part, the first negative electrode terminal, the first positive electrode terminal, the first signal terminal, the second signal terminal, the second positive electrode terminal and the second negative electrode terminal are sequentially arranged and fixed on the terminal tongue part; the terminal tongue part is suspended in the containing shell; the lower end of the first signal terminal is welded with an identification resistance welding leg through a first identification resistance; the lower end of the second signal terminal is welded with the identification resistance welding leg through a second identification resistance; and the first identification resistance and the second identification resistance are located on the side of the connector.

[0025] Preferably, a waterproof ring protruding from the outer surface of the containing shell is arranged on the outer wall of the containing shell and is made of soft plastic by injection molding.

[0026] Preferably, the positive electrode welding leg and the negative electrode welding leg are bent away from each other and outward, so that the electrical gap between the two is increased.

[0027] In the application, the first positive electrode terminal and the second positive electrode terminal are connected with the first frame-shaped connecting part, the first negative electrode terminal, the first signal terminal, the second signal terminal and the second negative electrode terminal are connected with the second frame-shaped connecting part, the first side of the second frame-shaped connecting part is used as a material bridge side of the second frame-shaped connecting part, the internal space of the first frame-shaped connecting part is aligned with the material bridge side of the second frame-shaped connecting part during stamping, both sides of the material bridge relative to the material bridge side of the second frame-shaped connecting part are reserved for non-injection during injection, so that the material bridge has only three sections and the length of the material bridge is relatively long, the first frame-shaped connecting part is also not injected, the part reserved for non-injection on both sides of the material bridge relative to the material bridge side of the second frame-shaped connecting part is cut by a machine-controlled round needle from the reserved space, the problem of the five short material bridges in the prior art is solved, the identification resistance is welded on the side of the connector, automatic reflow soldering can be used for welding, the welding efficiency is improved, and the problem of occupational diseases of welders does not occur, injection and encapsulation do not occur during the first injection, the positive electrode welding leg and the negative electrode welding leg are bent away from each other and outward, so that the electrical gap between the two is increased, and short circuit phenomenon is not easy to occur during use. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a block structure schematic diagram of the method of the application.

[0029] Figure 2 is Figure 1The physical structure diagram corresponding to S1.

[0030] Figure 3 is Figure 1 The physical structure diagram corresponding to S2.

[0031] Figure 4 is Figure 1 The physical structure diagram corresponding to S3.

[0032] Figure 5 is Figure 1 The physical structure diagram corresponding to S4.

[0033] Figure 6 is Figure 1 The physical structure diagram corresponding to S5.

[0034] Figure 7 is Figure 1 The physical structure diagram corresponding to S51.

[0035] Figure 8 is Figure 1 The physical structure diagram corresponding to S6.

[0036] Figure 9 is Figure 1 The physical structure diagram corresponding to S61.

[0037] Figure 10 is Figure 1 The physical structure diagram corresponding to S7.

[0038] Figure 11 is the three-dimensional exploded structure diagram of the structure of the application.

[0039] Figure 12 is Figure 11 The diagram of another view of the positive and negative electrode units after superposition in the above.

[0040] Figure 13 is Figure 11 The diagram of another view of the positive and negative electrode units after superposition in the above.

[0041] Figure 14 is Figure 11 The three-dimensional structure diagram after combination. DETAILED DESCRIPTION

[0042] The application will be further described below in combination with the drawings.

[0043] Please see Figures 1 to 10 , Figures 1 to 10 Disclosed is a manufacturing method of a Type-C connector with an identification resistor, comprising the following steps:

[0044] S1, punching material belt (see Figure 1 and Figure 2 );

[0045] The first material belt of copper material (copper sheet) is punched out of at least one positive electrode unit 1, which includes a first positive electrode terminal 11, a second positive electrode terminal 12, a first frame-shaped connecting part 13, a positive electrode welding foot 14 and a positive electrode auxiliary material belt 15, the first frame-shaped connecting part 13 includes a first frame-shaped connecting part first edge 131, a first frame-shaped connecting part second edge 132, a first frame-shaped connecting part third edge 133 and a first frame-shaped connecting part fourth edge 134 connected head to tail, the first positive electrode terminal 11 and the second positive electrode terminal 12 are arranged on the first frame-shaped connecting part first edge 131 at a predetermined distance apart; the positive electrode welding foot 14 is arranged on one side of the first frame-shaped connecting part third edge 133 relative to the first positive electrode terminal 11, and the positive electrode auxiliary material belt 15 is connected to the other end of the positive electrode welding foot 14; In this embodiment, a positive electrode auxiliary material belt positioning hole 151 is arranged on the positive electrode auxiliary material belt 15 for positioning in the injection mold;

[0046] The second material belt of copper material (copper sheet) is punched out of at least one negative electrode unit 2, which includes a first negative electrode terminal 21, a first signal terminal 22, a second signal terminal 23 and a second negative electrode terminal 24, a second frame-shaped connecting part 25, a negative electrode welding foot 26 and a negative electrode auxiliary material belt 27, the second frame-shaped connecting part 25 includes a second frame-shaped connecting part bridge edge 251, a second frame-shaped connecting part second edge 252, a second frame-shaped connecting part third edge 253 and a second frame-shaped connecting part fourth edge 254 connected head to tail, the first negative electrode terminal 21, the first signal terminal 22, the second signal terminal 23 and the second negative electrode terminal 24 are arranged on the second frame-shaped connecting part bridge edge 251 at a predetermined distance apart; a first identification resistance welding foot 221 connected with the first signal terminal 22 is arranged in the square box of the second frame-shaped connecting part 25, and a second identification resistance welding foot 231 connected with the second signal terminal 23 is arranged, and an identification resistance welding foot 2531 is arranged on the second frame-shaped connecting part third edge 253; the negative electrode welding foot 26 is arranged on one side of the second frame-shaped connecting part third edge 253 relative to the second negative electrode terminal 24, and the negative electrode auxiliary material belt 27 is connected to the other end of the negative electrode welding foot 26.

[0047] In this embodiment, a negative electrode auxiliary material belt positioning hole 271 is arranged on the negative electrode auxiliary material belt 27 for positioning in the injection mold;

[0048] S2, superimposing positive electrode unit and negative electrode unit (see Figure 1 and Figure 3 );

[0049] The positive unit 1 and the negative unit 2 are stacked with each other, the first negative terminal 21, the first positive terminal 11, the first signal terminal 22, the second signal terminal 23, the second positive terminal 12 and the second negative terminal 24 are arranged in sequence with a predetermined distance, and the second frame-shaped connecting part bridge edge 251 is opposite to the first frame-shaped connecting part 13;

[0050] The hook piece 3 is arranged outside the first negative terminal 21 and the second negative terminal 24, the hook part 31 of the hook piece 3 is close to the first negative terminal 21 and the second negative terminal 24, and the connecting part 32 of the hook piece 3 is exposed outside the first negative terminal 21 and the second negative terminal 24; the hook piece positioning hole 321 is arranged on the hook piece 3 for positioning in the injection mold; in the embodiment, the positive unit 1 is placed below the negative unit 2 when stacked, and of course, the positive unit 1 can be placed above the negative unit 2 when stacked; the positive auxiliary material belt positioning hole 151 and the negative auxiliary material belt positioning hole 271 are aligned for positioning in the injection mold when stacked;

[0051] S3, injection of the insulating glue (see Figure 1 and Figure 4 );

[0052] The assembly formed in the second step is placed in the mold cavity to inject plastic to form the insulating glue 4, the insulating glue 4 includes the terminal tongue part 41 and the terminal insulating part 42, the first identification resistance welding leg 221, the second identification resistance welding leg 231 and the identification resistance welding leg 2531 are reserved on the side of the terminal insulating part 42 close to the negative welding leg 26, and the resistance groove 421 for accommodating the first identification resistance 71 and the second identification resistance 72; three bridge holes 2511 are reserved on the side of the terminal insulating part 42 close to the negative welding leg 26 relative to the second frame-shaped connecting part bridge edge 251; the second frame-shaped connecting part bridge edge 251 is reserved in the first frame-shaped connecting part 13 of the terminal insulating part 42 close to the positive welding leg 14; in the embodiment, one positioning leg 422 is arranged on each side of the lower bottom of the terminal insulating part 42;

[0053] In the present application, the inner space of the first frame-shaped connecting part 13 is aligned with the second frame-shaped connecting part bridge edge 251 when superimposed; when injection molding, the two sides of the second frame-shaped connecting part bridge edge 251 are reserved for non-injection molding (i.e. three bridge holes 2511 are reserved for the bridge), so that the bridge has only three sections, and the bridge length is relatively long. At the same time, the first frame-shaped connecting part is not injection molded, so that the part reserved for non-injection molding (bridge hole 2511) from the first frame-shaped connecting part or from the two sides of the second frame-shaped connecting part bridge edge can be cut by a machine-controlled round needle punch from the reserved space to cut the bridge, solving the problem of the five short bridges in the prior art.

[0054] S4, cutting the connecting part and the bridge of the hook piece (see Figure 1 and Figure 5 )

[0055] Cutting off the connecting part (32) of the hook piece (3), and cutting off the second frame-shaped connecting part bridge edge (251);

[0056] S5, injection molding the housing (see Figure 1 and Figure 6 );

[0057] Injection molding the housing 5 on the plastic body of S4, so that the terminal tongue part 41 is suspended in the housing 5; and forming a waterproof ring groove 51 on the outside of the housing 5;

[0058] S51 waterproof ring injection molding step (see Figure 1 and Figure 7 );

[0059] Reserving a waterproof ring groove 51 on the outer wall of the housing 5, and injection molding a waterproof ring 6 protruding from the outer surface of the housing 5 with soft plastic;

[0060] S52, welding identification resistance (see Figure 1 and Figure 8 );

[0061] Welding the first identification resistance 71 and the second identification resistance 72 with the first identification resistance welding foot 221, the second identification resistance welding foot 231 and the identification resistance welding foot 2531 respectively; the first identification resistance 71 and the second identification resistance 72 are located on the side surface of the connector;

[0062] S6, cutting off the auxiliary material belt (see Figure 1 and Figure 9 );

[0063] Cutting off the positive auxiliary material belt 15 and the negative auxiliary material belt 27;

[0064] S7, bending the welding foot (see Figure 1 andFigure 10

[0065] The positive electrode welding leg 14 and the negative electrode welding leg 26 are respectively outwardly bent, and the bottom surfaces of the positive electrode welding leg 14 and the negative electrode welding leg 26 are substantially in a plane, facilitating patch welding.

[0066] In the present application, the order of some steps described above can be changed according to process requirements.

[0067] The present application also provides a Type-C connector manufactured by the manufacturing method described above.

[0068] Please see Figures 11-14 The present application also provides a Type-C connector, which comprises a positive electrode unit 1, a negative electrode unit 2, an insulating glue 4 and a containing shell 5. The positive electrode unit 1 comprises a first positive electrode terminal 11, a second positive electrode terminal 12 and a positive electrode welding leg 14 connected with a first frame-shaped connecting part 13. The negative electrode unit 2 comprises a first negative electrode terminal 21, a first signal terminal 22, a second signal terminal 23, a second negative electrode terminal 24 and a negative electrode welding leg 26 connected with a second frame-shaped connecting part 25. The insulating glue 4 comprises a terminal tongue part 41 and a terminal insulating part 42. The first negative electrode terminal 21, the first positive electrode terminal 11, the first signal terminal 22, the second signal terminal 23, the second positive electrode terminal 12 and the second negative electrode terminal 24 are sequentially arranged and fixed on the terminal tongue part 41. The terminal tongue part 41 is suspended in the containing shell 5. The lower end of the first signal terminal 22 is welded with an identification resistance welding leg 2531 through a first identification resistance 71. The lower end of the second signal terminal 23 is welded with the identification resistance welding leg 2531 through a second identification resistance 72 (see Figure 14 The first identification resistance 71 and the second identification resistance 72 are located on the side of the connector. In the present embodiment, a positioning leg 422 for positioning with a PCB is arranged on each of the lower sides of the terminal insulating part 42. In the present embodiment, a hook part 31 is arranged on the outer side of each of the first negative electrode terminal 21 and the second negative electrode terminal 24.

[0069] Preferably, a waterproof ring 6 protruding from the outer wall of the containing shell 5 is arranged on the outer wall of the containing shell 5 and is made of soft plastic by injection molding. The waterproof ring 6 is composed of two waterproof single rings 61 and a middle connecting part 62. The upper part of the waterproof ring 6 protrudes from the outer wall of the containing shell 5, and the lower part of the waterproof ring 6 is located in a waterproof ring groove 51 on the outer wall of the containing shell 5. In this way, after being plugged with a male seat, the waterproof ring 6 can play a sealing role. Of course, the soft plastic in the present application can also be replaced by silica gel with the same or similar hardness.

[0070] Please see Figure 13 ​The positive electrode welding leg 14 is bent outwardly away from the negative electrode welding leg 26, so that the electrical gap H between the positive electrode welding leg 14 and the negative electrode welding leg 26 is increased, and thus short circuit between the positive electrode welding leg 14 and the negative electrode welding leg 26 is not easily formed.

[0071] The above description is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made according to the content of the present application, is also included in the patent protection scope of the present application.

Claims

1. A manufacturing method of a Type-C connector with identification resistance, characterized in that: The method comprises the following steps: S1, punching a material belt; The first material belt is punched into at least one positive electrode unit (1), which comprises a first positive electrode terminal (11), a second positive electrode terminal (12), a first frame-shaped connecting part (13), a positive electrode welding leg (14), and a positive electrode auxiliary material belt (15). The first frame-shaped connecting part (13) comprises a first frame-shaped connecting part first edge (131), a first frame-shaped connecting part second edge (132), a first frame-shaped connecting part third edge (133), and a first frame-shaped connecting part fourth edge (134) connected in sequence. The first positive electrode terminal (11) and the second positive electrode terminal (12) are arranged on the first frame-shaped connecting part first edge (131) at a predetermined distance apart. The positive electrode welding leg (14) is arranged on one side of the first frame-shaped connecting part third edge (133) opposite the first positive electrode terminal (11), and the positive electrode auxiliary material belt (15) is connected to the other end of the positive electrode welding leg (14); The second material belt is punched into at least one negative electrode unit (2), which comprises a first negative electrode terminal (21), a first signal terminal (22), a second signal terminal (23), and a second negative electrode terminal (24), a second frame-shaped connecting part (25), a negative electrode welding leg (26), and a negative electrode auxiliary material belt (27). The second frame-shaped connecting part (25) comprises a second frame-shaped connecting part bridge edge (251), a second frame-shaped connecting part second edge (252), a second frame-shaped connecting part third edge (253), and a second frame-shaped connecting part fourth edge (254) connected in sequence. The first negative electrode terminal (21), the first signal terminal (22), the second signal terminal (23), and the second negative electrode terminal (24) are arranged on the second frame-shaped connecting part bridge edge (251) at a predetermined distance apart. A first identification resistance welding leg (221) connected to the first signal terminal (22) is arranged in the square box of the second frame-shaped connecting part (25), and a second identification resistance welding leg (231) connected to the second signal terminal (23) is arranged. An identification resistance welding leg (2531) is arranged on the second frame-shaped connecting part third edge (253). The negative electrode welding leg (26) is arranged on one side of the second frame-shaped connecting part third edge (253) opposite the second negative electrode terminal (24), and the negative electrode auxiliary material belt (27) is connected to the other end of the negative electrode welding leg (26); S2, superimposition of the positive electrode unit and the negative electrode unit; The positive electrode unit (1) and the negative electrode unit (2) are superimposed on each other, so that the first negative electrode terminal (21), the first positive electrode terminal (11), the first signal terminal (22), the second signal terminal (23), the second positive electrode terminal (12), and the second negative electrode terminal (24) are arranged in sequence at a predetermined distance apart, and the second frame-shaped connecting part bridge edge (251) is opposite the first frame-shaped connecting part (13); A hook (3) is provided on the outside of the first negative end (21) and the second negative end (24), such that the hook part (31) of the hook (3) is close to the first negative end (21) and the second negative end (24), and the connecting part (32) of the hook (3) is exposed outside the first negative end (21) and the second negative end (24). S3, Injection-molded insulating colloid; The component formed in the second step is placed in the mold cavity and plastic is injected to form an insulating colloid (4). The insulating colloid (4) includes a terminal tongue (41) and a terminal insulating part (42). A first identification resistance welding foot (221), a second identification resistance welding foot (231), and an identification resistance welding foot (2531) are reserved on the side of the terminal insulating part (42) near the negative electrode welding foot (26). Three material bridge holes (2511) are reserved on the side of the terminal insulating part (42) near the negative electrode welding foot (26) relative to the material bridge edge (251) of the second frame-shaped connecting part. The material bridge edge (251) of the second frame-shaped connecting part is reserved in the first frame-shaped connecting part (13) near the positive electrode welding foot (14) of the terminal insulating part (42). S4. Connecting part and material bridge of the cutting hook piece; Cut off the connecting part (32) of the hook piece (3) and cut off the material bridge edge (251) of the second frame connecting part; S5, Injection-molded housing; In the fourth step, the housing (5) is injection molded onto the plastic body, so that the terminal tongue (41) is suspended inside the housing (5); S6. Cut off the auxiliary material strip; Cut off the positive electrode auxiliary material strip (15) and the negative electrode auxiliary material strip (27); S7. Bend the positive electrode welding foot (14) and the negative electrode welding foot (26) outwards respectively, and make the bottom surfaces of the positive electrode welding foot (14) and the negative electrode welding foot (26) basically in the same plane.

2. The manufacturing method of a Type-C connector with identification resistance according to claim 1, characterized in that: Between steps S5 and S6, there is a waterproof ring injection molding step. A waterproof ring groove (51) is reserved on the outer wall of the housing (5). A waterproof ring (6) protruding from the outer surface of the housing (5) is formed by injection molding soft plastic in the waterproof ring groove (51).

3. The manufacturing method of a Type-C connector with identification resistance according to claim 1 or 2, characterized in that: After step S5 or step S6, there is a resistor identification welding step, in which the first identification resistor (71) and the second identification resistor (72) are respectively welded to the first identification resistor welding pin (221), the second identification resistor welding pin (231), and the identification resistor welding pin (2531).

4. A Type-C connector, characterized by, It is a Type-C connector manufactured using the manufacturing method according to any one of claims 1-3.

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