CN214505841U

CN214505841U - Type-C connector convenient to equipment

Info

Publication number: CN214505841U
Application number: CN202120914256.9U
Authority: CN
Inventors: 张勋
Original assignee: Dongguan City Fu Zhida Electronic Technology Co ltd
Current assignee: Dongguan City Fu Zhida Electronic Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-10-26
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a Type-C connector convenient to assemble, which comprises a shielding shell, an insulating body, a terminal group, a clamping hook and a PCB; each terminal of the terminal group is inserted into a corresponding terminal groove of the insulating body, and each terminal comprises a contact part, an upper welding part and a lower welding part; the clamping hook comprises a left hook part, a right hook part and an insulating part; the clamping hook is inserted into the mounting cavity from back to front, and the left hook part and the right hook part are inserted into the corresponding clamping grooves of the insulating body; the insulating part is embedded into the insertion groove of the terminal group, the welding feet of the left hook part and the right hook part comprise an upper clamping arm and a lower clamping arm, and the upper clamping arm and the lower clamping arm are respectively provided with an upper bulge and a lower bulge in a protruding manner; the PCB is embedded into the insertion groove from back to front, the upper clamping arm and the lower clamping arm are respectively clamped on the upper surface and the lower surface of the PCB, and the upper bulge and the lower bulge are respectively contacted with the upper surface and the lower surface of the PCB; borrow this, it has realized the components of a whole that can function independently joint formula equipment of connector overall structure, is favorable to the promotion of automated production process efficiency and yield.

Description

Type-C connector convenient to equipment

Technical Field

The utility model relates to a Type-C connector field technique especially indicates a Type-C connector convenient to equipment.

Background

The Type-C is a connecting interface of the USB interface, can be inserted without dividing the front surface and the back surface, and supports the functions of charging, data transmission, display output and the like of the USB standard like other interfaces. Type-C was established by USBImplementers Forum and began to spread after 2014 with the support of apple, Google, Intel, Microsoft and other vendors. The Type-C connector is a hardware interface of a universal serial bus, is thin in appearance, high in transmission speed and 10Gbps at the highest, and strong power transmission is realized, the power transmission is 100W at the highest, double-sided insertion is supported, and a user does not need to worry about the positive and negative problems caused by the traditional USB port.

The existing Type-C connector comprises a shell, an insulation body, a terminal and a PCB, wherein the shell, the insulation body and the terminal are assembled and combined together in an injection molding mode, the manufacturing mode is complex in process, the automatic production efficiency is low, the yield of the connector cannot be guaranteed, and the welding and positioning of the PCB are inconvenient.

Therefore, a new technology needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a Type-C connector convenient to equipment, and it has realized the components of a whole that can function independently joint formula equipment of connector overall structure, is favorable to the promotion of automated production process efficiency and yield, can make the left and right sides of PCB board firmly by the centre gripping between the upper and lower arm lock of the leg of pothook.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a Type-C connector convenient to assemble comprises a shielding shell, an insulating body, a terminal group, a clamping hook and a PCB;

the shielding shell is coated outside the insulating body, the front end of the insulating body is provided with an insertion cavity with a forward opening, the rear end of the insulating body is provided with an installation cavity with a backward opening, a plurality of terminal grooves which are sequentially arranged at intervals along the left-right direction are arranged in the insertion cavity, each terminal groove penetrates backwards into the installation cavity, and the left side and the right side of the insulating body are provided with clamping grooves communicated between the insertion cavity and the installation cavity;

the terminal group is positioned on the insulating body in an inserting way, each terminal of the terminal group is inserted into the corresponding terminal groove from back to front respectively, each terminal comprises a body part, a contact part and a welding part, the contact part and the welding part are integrally connected with the front end and the back end of the body part respectively, the contact part is exposed in the inserting cavity, the welding part comprises an upper welding part and a lower welding part which are arranged at an upper and lower interval, the upper welding part and the lower welding part of the terminal group are arranged into a row and horizontally extend out of the mounting cavity backwards, and an inserting groove communicated with the mounting cavity is formed between the upper welding part and the lower welding part of the terminal group;

the clamping hook comprises a cross rod part, a left hook part and a right hook part which are respectively and integrally connected to the left end and the right end of the cross rod part, and an insulating part is coated outside the cross rod; the clamping hook is inserted into the mounting cavity from back to front, and the left hook part and the right hook part are respectively inserted into the corresponding clamping grooves; the insulating part is embedded into the insertion groove and limited by the rear end surface of the body part of the terminal group, the rear ends of the left hook part and the right hook part extend backwards to form a welding foot extending out of the insulating body integrally, the welding foot comprises an upper clamping arm and a lower clamping arm which are arranged at an upper-lower interval, and one side of the upper clamping arm facing the lower clamping arm and one side of the lower clamping arm facing the upper clamping arm are respectively provided with an upper bulge and a lower bulge in a protruding manner; each clamping arm extends out of the rear end of the corresponding welding part;

the PCB is embedded into the insertion groove from back to front, the front end face of the PCB is limited by the rear end face of the insulating part, the upper welding part and the lower welding part are respectively contacted with the upper surface and the lower surface of the PCB, the upper clamping arm and the lower clamping arm are respectively clamped on the upper surface and the lower surface of the PCB, and the upper bulge and the lower bulge are respectively contacted with the upper surface and the lower surface of the PCB.

As a preferred scheme, the side of week of shielding shell is the closing surface, shielding shell has the cavity that both ends opening set up around, insulator is located the cavity intracavity, the tip of shielding shell's rear end opening part is subject to the protruding spacing portion of establishing in both sides about insulator's the rear end.

Preferably, each terminal groove has two through holes arranged in an up-down symmetrical manner, the contact portion is inserted into the front side of the terminal groove through the corresponding through hole, and the upper welding portion and the lower welding portion are respectively inserted into the rear side of the terminal groove through the corresponding through holes;

the upper surface of the upper welding part and the lower surface of the lower welding part are respectively provided with an upper stop part and a lower stop part in a protruding mode, the rear side of each through hole is provided with a stop wall, and the upper stop part and the lower stop part are limited by the rear end faces of the stop walls of the corresponding through holes.

As a preferable scheme, the middle parts of the sides, facing the insulating body, of the left hook part and the right hook part are respectively provided with a first arc-shaped convex part in a protruding manner, and the first arc-shaped convex parts are limited on the side wall surface of the insulating body.

As a preferable scheme, the front ends of the sides of the left hook part and the right hook part facing the insulation body are convexly provided with second arc-shaped convex parts, the front ends of the left hook part and the right hook part are both exposed in the insertion cavity, and the second arc-shaped convex parts are exposed in the insertion cavity.

As a preferred scheme, the upper and lower inner side walls of the clamping groove are convexly provided with clamping convex parts, and the clamping convex parts on the upper and lower inner sides of the clamping groove are respectively limited on the upper and lower surfaces of the corresponding hook part.

As a preferred scheme, the left side and the right side of the terminal group are both provided with GND terminals, each GND terminal is provided with an upper welding leg and a lower welding leg which are arranged at intervals up and down, the upper welding leg and the lower welding leg are respectively contacted with the upper surface and the lower surface of the PCB, and the left side and the right side of the front end of the PCB are both concavely provided with a abdicating groove; the upper welding leg and the lower welding leg are respectively positioned at the upper outer side and the lower outer side of the abdicating groove and are arranged at intervals with the abdicating groove; the upper clamping arm and the lower clamping arm respectively penetrate from the upper part and the lower part of the abdicating groove to the upper surface and the lower surface of the PCB from the front to the back.

As a preferred scheme, the upper and lower surfaces of the insulating part are respectively convexly provided with two positioning convex parts which are arranged in bilateral symmetry, the upper and lower inner side walls of the installation cavity are respectively concavely provided with positioning grooves, and the positioning convex parts are limited in the corresponding positioning grooves.

Preferably, the upper and lower surfaces of the insulating housing are respectively provided with a plurality of protruding ribs extending along the front-rear direction of the insulating housing, and the protruding ribs are limited by the inner side wall of the shielding housing.

Preferably, the rear ends of the lower surface of the upper soldering part and the upper surface of the lower soldering part are both convexly provided with contact convex parts, and the contact convex parts are contacted with the contact points on the surface of the corresponding PCB.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely, the technical proposal can know that the terminal group is inserted into the corresponding terminal groove of the insulating body from back to front, the clamping connection between the terminal and the insulating body is realized, the left hook part and the right hook part of the clamping hook are clamped in the clamping groove, and the insulating part of the clamping hook is clamped in the inserting groove, thereby improving the assembling stability between the clamping hook and the insulating body, the insulating part is limited by the rear end surface of the body part of the terminal group, the effects of rear end limiting and positioning can be realized for the terminal, the terminal is not easy to loose and shift, meanwhile, the insertion of the insulating part can play a role of pushing against the rear end of the terminal, which is equivalent to pushing against the terminal forwards together twice, the terminal can be ensured to be inserted in place consistently, thereby improving the accuracy of the insertion of the terminal in the insulating body, and improving the quality of the connector, the PCB is embedded into the insertion groove of the terminal group from back to front, the front end face of the PCB is limited by the rear end face of the insulating part, the insulating part can be used as a positioning reference for inserting the front end of the PCB in place, the insulating part can provide the whole rear end face for positioning the front end of the PCB, the positioning area is large, the positioning effect is better, and finally the insulating body is integrally inserted into the shielding shell from back to front, so that the split clamping type assembly of the integral structure of the connector is realized, and the improvement of the automatic production process efficiency and the yield is facilitated;

and, through contacting upper weld part, lower weld part in the upper and lower surface of the PCB board respectively, the upper arm lock, lower arm lock centre gripping respectively in the upper and lower surface of the PCB board, can make the PCB board position firmly between terminal group and pothook, thus facilitate subsequent welding, especially, through protruding being equipped with protruding, protruding respectively on one side of the arm lock towards lower arm lock, one side of the arm lock towards upper arm lock respectively down through the upper arm lock, and make every arm lock all stretch out of the rear end of the weld part that corresponds, can make the left and right sides of the PCB board firmly be held between the upper and lower arm lock of the leg of the pothook.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is another angular schematic view of the structure shown in FIG. 1;

fig. 3 is an exploded view of an embodiment of the invention;

FIG. 4 is another angular schematic view of the structure shown in FIG. 3;

fig. 5 is another exploded view of an embodiment of the present invention;

fig. 6 is yet another exploded view of an embodiment of the present invention;

fig. 7 is a cross-sectional view of an embodiment of the invention with the PCB removed;

fig. 8 is another cross-sectional view of an embodiment of the invention.

The attached drawings indicate the following:

10. shielding shell 11, hollow cavity

20. Insulating body 21, insertion cavity

22. Mounting cavity 23 and terminal groove

24. Clamping groove 25 and through hole

26. Clamping convex part 27 and positioning groove

28. Convex rib 30 and terminal

31. Body 32 and contact

33. Upper welded part 34, lower welded part

35. Insertion groove 36, upper stop portion

37. Lower stopper 38, contact projection

40. Hook 41, crossbar

42. Left hook 43 and right hook

44. Insulating part 45 and upper clamping arm

46. Lower clamp arm 47, upper boss

48. Lower protrusion 401, first arc-shaped convex part

402. Second arc-shaped convex part 403 and positioning convex part

50. PCB board 51, groove of stepping down

60. GND terminal 61, upper leg

62. And (5) welding a bottom welding leg.

Detailed Description

Fig. 1 to 8 show specific structures of embodiments of the present invention.

A Type-C connector convenient to assemble comprises a shielding shell 10, an insulating body 20, a terminal group, a clamping hook 40 and a PCB 50; wherein: the shielding shell 10 is coated outside the insulating body 20, the front end of the insulating body 20 is provided with an insertion cavity 21 with a forward opening, the rear end of the insulating body 20 is provided with an installation cavity 22 with a backward opening, a plurality of terminal 30 grooves 23 are arranged in the insertion cavity 21 at intervals in sequence along the left-right direction, each terminal 30 groove 23 penetrates backwards into the installation cavity 22, and the left side and the right side of the insulating body 20 are provided with clamping grooves 24 communicated between the insertion cavity 21 and the installation cavity 22; the side of week of shielding shell 10 is the closing surface, shielding shell 10 has the well cavity 11 that both ends opening set up around, insulator 20 is located well cavity 11, the tip of the rear end opening part of shielding shell 10 is limited by the protruding spacing portion of establishing in both sides about the rear end of insulator 20.

In this embodiment, the terminal set is inserted and positioned on the insulating body 20, each terminal 30 of the terminal set is inserted into the corresponding terminal 30 slot 23 from back to front, each terminal 30 includes a body 31, and a contact portion 32 and a welding portion integrally connected to the front and back ends of the body 31, respectively, the contact portion 32 is exposed in the insertion cavity 21, the welding portion includes an upper welding portion 33 and a lower welding portion 34 arranged at an upper and lower interval, the upper welding portion 33 and the lower welding portion 34 of the terminal set are arranged in a row and horizontally extend out of the installation cavity 22, and an insertion slot 35 communicating with the installation cavity 22 is formed between the upper welding portion 33 and the lower welding portion 34 of the terminal set; each terminal 30 slot 23 has two through holes 25 arranged symmetrically up and down, the contact portion 32 is inserted into the front side of the terminal 30 slot 23 through the corresponding through hole 25, and the upper soldering portion 33 and the lower soldering portion 34 are respectively inserted into the rear side of the terminal 30 slot 23 through the corresponding through hole 25; in the present embodiment, the upper surface of the upper welding portion 33 and the lower surface of the lower welding portion 34 are respectively provided with an upper stop portion 36 and a lower stop portion 37 in a protruding manner, the rear side of each through hole 25 is provided with a stop wall, and the upper stop portion 36 and the lower stop portion 37 are limited by the rear end surface of the stop wall of the corresponding through hole 25, so that the insertion depth can be determined, and the phenomenon that the terminal 30 is inserted too deeply can be avoided.

In this embodiment, the hook 40 includes a cross bar 41, and a left hook portion 42 and a right hook portion 43 integrally connected to the left and right ends of the cross bar 41, respectively, and the cross bar is covered with an insulating member 44; the hook 40 is inserted into the mounting cavity 22 from back to front, and the left hook portion 42 and the right hook portion 43 are respectively inserted into the corresponding slots 24; the insulating member 44 is inserted into the insertion slot 35 and is limited by the rear end surface of the main body 31 of the terminal set, the rear ends of the left hook 42 and the right hook 43 extend rearward integrally with a solder leg extending out of the insulating body 20, the solder leg includes an upper clamping arm 45 and a lower clamping arm 46 arranged at an upper and lower interval, one side of the upper clamping arm 45 facing the lower clamping arm 46 and one side of the lower clamping arm 46 facing the upper clamping arm 45 are respectively provided with an upper protrusion 47 and a lower protrusion 48 in a protruding manner; each clamping arm extends out of the rear end of the corresponding welding part; therefore, the left hook portion 42 and the right hook portion 43 can be clamped in the clamping groove 24, the insulating piece 44 is clamped in the insertion groove 35, the assembling stability of the clamping hook 40 and the insulating body 20 is improved, the insulating piece 44 is limited by the rear end face of the body portion 31 of the terminal set, the rear end limiting and positioning effect can be achieved on the terminal 30, the terminal 30 is not prone to loosening and shifting, meanwhile, the insertion of the insulating piece 44 can achieve the effect of pushing against the rear end of the terminal 30, the terminal 30 is pushed forwards equivalently to the second time, the terminal 30 can be ensured to be inserted in place consistently, the inserting accuracy of the terminal 30 in the insulating body 20 is improved, and the quality of the connector is improved. In addition, as shown in fig. 5 and 6, the hook 40 is not provided with the lower clamping arm 46 and the lower protrusion 48, and the lower clamping arm 46 and the lower protrusion 48 can be selectively designed according to actual production requirements.

In the embodiment, the PCB 50 is inserted into the insertion slot 35 from the back to the front, and the front end surface of the PCB is limited by the rear end surface of the insulating member 44, so that the insulating member 44 can be used as a positioning reference for inserting the front end of the PCB 50 in place, and the insulating member 44 can provide the whole rear end surface for positioning the front end of the PCB 50, so that the positioning area is large, and the positioning effect is better; the upper soldering part 33 and the lower soldering part 34 are respectively contacted with the upper and lower surfaces of the PCB 50, the upper and lower clamping

arms

45 and 46 are respectively clamped on the upper and lower surfaces of the PCB 50, and the upper and

lower protrusions

47 and 48 are respectively contacted with the upper and lower surfaces of the PCB 50; thus, the PCB 50 can be firmly positioned between the terminal set and the hook 40, thereby facilitating subsequent soldering. And contact convex parts 38 are convexly arranged at the lower surface of the upper welding part 33 and the rear end of the upper surface of the lower welding part 34, and the contact convex parts 38 are contacted with corresponding contact points on the surface of the PCB 50, so that the welding between the welding part and the PCB 50 is facilitated.

In this embodiment, the middle portions of the sides of the left hook portion 42 and the right hook portion 43 facing the insulating body 20 are respectively provided with a first arc-shaped protrusion 401 in a protruding manner, and the first arc-shaped protrusion 401 is limited by the side wall surface of the insulating body 20, so that the hook portion and the insulating body 20 are more stably clamped; in this embodiment, the front ends of the left hook 42 and the right hook 43 facing the side of the insulation body 20 are protruded with second arc-shaped protrusions 402, the front ends of the left hook 42 and the right hook 43 are exposed in the insertion cavity 21, and the second arc-shaped protrusions 402 are exposed in the insertion cavity 21.

In this embodiment, the upper and lower inner side walls of the slot 24 are both convexly provided with the clamping convex parts 26, and the clamping convex parts 26 on the upper and lower inner sides of the slot 24 are respectively limited on the upper and lower surfaces of the corresponding hook part; thus, the hook portion of the hook 40 can be more firmly clamped in the slot 24 by the clamping convex portion 26.

In this embodiment, the left and right sides of the terminal group are provided with GND terminals 60, each GND terminal 60 has an upper solder leg 61 and a lower solder leg 62 which are arranged at an upper and lower interval, the upper solder leg 61 and the lower solder leg 62 are respectively contacted with the upper and lower surfaces of the PCB 50, and the left and right sides of the front end of the PCB 50 are both concavely provided with a yielding groove 51; the upper welding leg 61 and the lower welding leg 62 are respectively positioned at the upper outer side and the lower outer side of the abdicating groove 51 and are arranged at intervals with the abdicating groove 51; the upper clamping arm 45 and the lower clamping arm 46 respectively penetrate through the upper and lower parts of the abdicating groove 51 from front to back and extend to the upper and lower surfaces of the PCB 50; thus, the distance between the GND terminal 60 and the upper and

lower clipping arms

45, 46 of the hook 40 can be set, so as to avoid the short circuit between the hook 40 and the GND terminal 60.

And, the upper and lower surfaces of the insulating member 44 are both provided with two positioning convex portions 403 in a protruding manner, the upper and lower inner side walls of the installation cavity 22 are both provided with positioning grooves 27 in a recessed manner, and the positioning convex portions 403 are limited in the corresponding positioning grooves 27. Thus, the hook 40 can be further firmly positioned on the insulating body 20 as a whole.

In the present embodiment, the upper and lower surfaces of the insulating housing 20 are each provided with a plurality of protruding ribs 28 extending along the front-back direction of the insulating housing 20, and the protruding ribs 28 are limited by the inner side wall of the shielding shell 10. Thus, the insulating body 20 and the shielding shell 10 can be firmly assembled together, and the phenomenon that the insulating body 20 and the shielding shell 10 fall off is avoided.

The assembly process is as follows:

firstly, the terminals 30 are inserted into the corresponding terminal 30 slots 23 of the insulating body 20 from back to front; then, the hook 40 is inserted into the mounting cavity 22 from back to front, the left hook portion 42 and the right hook portion 43 are respectively inserted into the corresponding card slots 24, and the insulating member 44 of the hook 40 is embedded into the insertion slot 35 and is limited by the back end face of the main body portion 31 of the terminal set; furthermore, the PCB 50 is inserted into the insertion groove 35 from the rear to the front and the front end surface is limited to the rear end surface of the insulating member 44; finally, the entire insulative housing 20 is inserted into the shield case 10 from the rear to the front.

To sum up, the design of the utility model is characterized in that the terminal group is inserted into the corresponding terminal groove of the insulating body from back to front, the clamping connection between the terminal and the insulating body is realized, the left hook part and the right hook part of the hook are clamped in the clamping groove, and the insulating part of the hook is clamped in the insertion groove, thereby improving the assembling stability of the hook and the insulating body, the insulating part is limited on the back end surface of the body part of the terminal group, the effect of limiting and positioning the back end of the terminal can be achieved, the terminal is not easy to loose and shift, meanwhile, the insertion of the insulating part can perform the pushing action on the back end of the terminal, which is equivalent to pushing the terminal forwards together twice, the consistent insertion of the terminal can be ensured, thereby improving the accuracy of the insertion of the terminal in the insulating body, the quality of the connector is improved, the PCB is embedded into the insertion groove of the terminal group from back to front, the front end surface is limited on the back end surface of the insulating part, the insulating part can be used as a positioning reference for inserting the front end of the PCB in place, the insulating part can provide the whole rear end surface for positioning the front end of the PCB, so that the positioning area is large, the positioning effect is better, and finally the insulating body is integrally inserted into the shielding shell from back to front, so that the split clamping type assembly of the integral structure of the connector is realized, and the improvement of the automatic production process efficiency and the yield is facilitated; and, through contacting upper weld part, lower weld part in the upper and lower surface of the PCB board respectively, the upper arm lock, lower arm lock centre gripping respectively in the upper and lower surface of the PCB board, can make the PCB board position firmly between terminal group and pothook, thus facilitate subsequent welding, especially, through protruding being equipped with protruding, protruding respectively on one side of the arm lock towards lower arm lock, one side of the arm lock towards upper arm lock respectively down through the upper arm lock, and make every arm lock all stretch out of the rear end of the weld part that corresponds, can make the left and right sides of the PCB board firmly be held between the upper and lower arm lock of the leg of the pothook.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a Type-C connector convenient to equipment which characterized in that: comprises a shielding shell, an insulating body, a terminal group, a clamping hook and a PCB;

2. The Type-C connector of claim 1, wherein: the side of week of shielding shell is the closing surface, shielding shell has the cavity that both ends opening set up around, insulator is located the cavity intracavity, the tip of shielding shell's rear end opening part is subject to the protruding spacing portion of establishing of both sides about insulator's the rear end.

3. The Type-C connector of claim 1, wherein: each terminal groove is provided with two through holes which are symmetrically arranged up and down, the contact part is inserted into the front side of the terminal groove through the corresponding through hole, and the upper welding part and the lower welding part are respectively inserted into the rear side of the terminal groove through the corresponding through holes;

4. The Type-C connector of claim 1, wherein: the middle parts of the left hook part and the right hook part, which face one side of the insulating body, are respectively convexly provided with a first arc-shaped convex part, and the first arc-shaped convex parts are limited by the side wall surface of the insulating body.

5. The Type-C connector of claim 1, wherein: the front ends of the left hook part and the right hook part, which face one side of the insulating body, are convexly provided with second arc-shaped convex parts, the front ends of the left hook part and the right hook part are exposed in the insertion cavity, and the second arc-shaped convex parts are exposed in the insertion cavity.

6. The Type-C connector of claim 1, wherein: the upper inner side wall and the lower inner side wall of the clamping groove are respectively provided with a clamping convex part in a protruding mode, and the clamping convex parts on the upper inner side and the lower inner side of the clamping groove are respectively limited on the upper surface and the lower surface of the corresponding hook part.

7. The Type-C connector of claim 1, wherein: GND terminals are arranged on the left side and the right side of the terminal group, each GND terminal is provided with an upper welding leg and a lower welding leg which are arranged at intervals up and down, the upper welding leg and the lower welding leg are respectively contacted with the upper surface and the lower surface of the PCB, and the left side and the right side of the front end of the PCB are both concavely provided with abdicating grooves; the upper welding leg and the lower welding leg are respectively positioned at the upper outer side and the lower outer side of the abdicating groove and are arranged at intervals with the abdicating groove; the upper clamping arm and the lower clamping arm respectively penetrate from the upper part and the lower part of the abdicating groove to the upper surface and the lower surface of the PCB from the front to the back.

8. The Type-C connector of claim 1, wherein: the upper surface and the lower surface of the insulating part are respectively convexly provided with two positioning convex parts which are arranged in bilateral symmetry, the upper inner side wall and the lower inner side wall of the installation cavity are respectively concavely provided with a positioning groove, and the positioning convex parts are limited in the corresponding positioning grooves.

9. The Type-C connector of claim 1, wherein: the upper surface and the lower surface of the insulating body are respectively convexly provided with a plurality of convex ribs extending along the front-back direction of the insulating body, and the convex ribs are limited by the inner side wall of the shielding shell.

10. The Type-C connector of claim 1, wherein: the lower surface of the upper welding part and the rear end of the upper surface of the lower welding part are both convexly provided with contact convex parts, and the contact convex parts are in contact with contact points on the surface of the corresponding PCB.