CN204118352U - power connector - Google Patents

Abstract

The utility model discloses a power supply connector, which comprises a lower end submodule, an upper end submodule, a middle shielding plate, a lower insulating shell, an upper insulating shell, a lower shielding plate, an upper shielding plate and a shielding shell; a lower positioning groove is formed by the surrounding between two adjacent lower bulges and the lower positioning part on the lower insulating shell, and an upper positioning groove is formed by the surrounding between two adjacent upper bulges and the upper positioning part on the upper insulating shell; during assembly, each upper positioning part extends into the corresponding upper positioning groove and abuts against the surface of the upper insulating shell, and each lower positioning part extends into the corresponding lower positioning groove and abuts against the bottom surface of the lower insulating shell, so that the front ends of the upper conductive terminals and the lower conductive terminals are effectively prevented from tilting and contacting with the shielding shell. The utility model discloses need not to use insulating wheat to draw, reduced spare part quantity, reduced the cost of manufacture of product, also reduced the equipment process of product simultaneously for the product equipment is more simple and convenient, has effectively improved the production efficiency of product.

Description

power connector

technical field

The utility model relates to the technology in the field of electrical connectors, in particular to a power connector.

Background technique

At present, the main structure of the power connector usually includes a lower terminal module, an upper terminal module, an intermediate shielding plate, an insulating shell, a lower shielding plate, an upper shielding plate, and a shielding shell. The upper terminal module includes an upper insulating part and a plurality of upper conductive terminals embedded with the upper insulating part. The middle shielding plate is sandwiched between the lower terminal module and the upper terminal module. The lower terminal module and the upper terminal module are installed in the insulating case, the lower shielding plate and the upper shielding plate are respectively arranged on the bottom surface and the surface of the insulating case, and the shielding case covers the insulating case.

In the prior art, the front end of the shielding shell is hollowed out to provide enough deformation space for the front end of the lower conductive terminal to tilt downward and the front end of the upper conductive terminal to tilt upward. However, due to the hollow front end of the shielding shell, when the conductive When the terminal is tilted up, the conductive terminal is likely to be short-circuited with the shielding shell, which will affect the signal transmission. In order to avoid the short-circuit between the conductive terminal and the shielding shell, the current practice is to attach insulating Mylar to both the lower shielding plate and the upper shielding plate. Use insulating mylar to block the short circuit between the conductive terminal and the shielding shell. Although the above-mentioned method can avoid short-circuiting between the conductive terminal and the shielding case, this method increases the number of components of the product, further increases the assembly process of the product, makes the assembly of the product inconvenient, and seriously affects the production efficiency of the product.

Utility model content

In view of this, the utility model aims at the deficiencies of the prior art, and its main purpose is to provide a power connector, which can effectively solve the problem of inconvenient product assembly due to the large number of components in the existing power connector.

In order to achieve the above object, the utility model adopts the following technical solutions:

A power connector, comprising a lower terminal module, an upper terminal module, a middle shielding plate, a lower insulating shell, an upper insulating shell, a lower shielding plate, an upper shielding plate and a shielding shell;

The lower terminal module includes a lower insulating part and a plurality of lower conductive terminals, the plurality of lower conductive terminals are inlaid with the lower insulating part, and each lower conductive terminal includes a lower welding part, a lower arched contact part and a lower positioning part, The lower welding part protrudes backward from the lower insulator, the lower arched contact part protrudes forward from the lower insulator, and the lower positioning part extends forward from the front end of the lower arched contact part;

The upper terminal module includes an upper insulator and a plurality of upper conductive terminals, the upper insulator is mounted on the lower insulator, the plurality of upper conductive terminals are embedded with the upper insulator, and each upper conductive terminal includes an upper The welding part, the upper arched contact part and the upper positioning part, the upper welding part protrudes from the upper insulator backwards, the upper arched contact part protrudes forward from the upper insulator, and the upper positioning part is located between the upper arched contact part the front end extends forward;

The middle shielding plate includes a main body, two locking hooks and a middle welding part, the main body is sandwiched between the lower insulating part and the upper insulating part, and the two locking hooks extend forward respectively on both sides of the front end of the main body out, the middle welding portion extends backward;

A plurality of lower terminal slots are formed through the upper and lower surfaces of the front end of the lower insulating case, and a plurality of lower protrusions are protruded from the bottom surface of the front end of the lower insulating case at intervals, and a lower limit portion is integrally connected between the ends of two adjacent lower protrusions , a lower positioning groove is formed between the adjacent two lower protrusions and the lower limiting part, and the lower positioning groove is located in front of the corresponding lower terminal groove;

A plurality of upper terminal slots are formed through the upper and lower surfaces of the front end of the upper insulating case. The front end surface of the upper insulating case is provided with a plurality of upper protrusions at intervals, and an upper limit portion is integrally connected between the ends of two adjacent upper protrusions. An upper positioning groove is formed between two adjacent upper protrusions and the upper limit portion, the upper positioning groove is located in front of the corresponding upper terminal groove, the upper insulating case is installed on the lower insulating case, the aforementioned lower insulating member and the upper The insulator is sandwiched between the rear end of the upper insulating case and the rear end of the lower insulating case. A slot is formed between the front end of the upper insulating case and the front end of the lower insulating case. The upper arched contacts of the above-mentioned upper conductive terminals The lower arched contact parts of the upper part and the lower conductive terminal are all extended into the slot, and each upper arched contact part is directly opposite to the corresponding upper terminal slot up and down, and each lower arched contact part is respectively vertically aligned with the corresponding lower terminal slot. Yes, and each upper positioning part extends into the corresponding upper positioning groove and abuts against the surface of the upper insulating case, and each lower positioning part extends into the corresponding lower positioning groove and abuts against the bottom surface of the lower insulating case;

The lower shielding plate is arranged on the bottom surface of the lower insulating shell, the upper shielding plate is arranged on the surface of the upper insulating shell, the shielding shell covers the lower insulating shell and the upper insulating shell, and the lower shielding plate and the upper shielding plate are located In the shielding shell and in contact with the shielding shell.

As a preferred solution, a plurality of positioning holes are formed through the upper and lower surfaces of the main body, the bottom of the upper insulating part is provided with a first fixing groove, a first positioning post and a first fixing post, and the surface of the lower insulating part A second fixing slot, a second positioning post and a second fixing post are provided, the first positioning post and the second positioning post are respectively inserted into corresponding positioning holes, the first fixing post is inserted into the second fixing slot, and the second positioning post is inserted into the corresponding positioning hole. The fixing column is inserted into the first fixing groove.

As a preferred solution, the front end of the main body is concavely provided with a front limiting groove, the rear end of the main body is concavely provided with a rear limiting groove, and the bottom of the upper insulating member protrudes downward with a first The limit block and the second limit block, the surface of the lower insulating member protrudes upwards with the third limit block and the fourth limit block, the first limit block and the third limit block are embedded in the corresponding front limit block In the slot, the second limiting block and the fourth limiting block are embedded in the rear limiting slot.

As a preferred solution, the lower insulating shell is provided with a lower card slot, and correspondingly, the side of the lower insulating member is protruded with a lower card part, and the lower card part cooperates with the lower card slot, and the upper insulating shell An upper card slot is provided, and an upper card part is protruded from the side of the upper insulating part correspondingly, and the upper card part cooperates with the upper card slot for buckling.

As a preferred solution, the lower insulating case is provided with a first fixing hole and a first fixing post, and correspondingly, the upper insulating case is provided with a second fixing hole and a second fixing post, and the second fixing post is inserted into the The first fixing hole is fixedly connected, and the first fixing post is inserted into the second fixing hole for fixed connection.

As a preferred solution, the bottom surface of the lower insulating case is provided with a lower buckle groove, the front end of the lower insulating case is provided with a lower through groove connecting the aforementioned slot, the surface of the upper insulating case is provided with an upper buckle groove, and the upper insulating case The front end of the shielding plate is provided with an upper through slot communicating with the slot. The lower shielding plate includes a lower main board part and a lower buckle part and a lower elastic part extending from the lower main board part. The lower elastic part extends into the slot through the lower through groove. The upper shielding plate includes an upper main board part and an upper buckle part and an upper spring part extending from the upper main board part. The upper buckle part and the upper buckle groove are fastened and connected to each other and fixed , the upper elastic part extends into the slot through the upper through groove.

As a preferred solution, the shielding shell is inserted and installed on the lower insulating shell and the upper insulating shell from back to front.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

A plurality of lower protrusions are protruded at intervals on the bottom surface of the front end of the lower insulating case, and a lower limit part is integrally connected between the ends of two adjacent lower protrusions, and a surrounding structure is formed between two adjacent lower protrusions and the lower limit parts. There is a lower positioning groove, and a plurality of upper protrusions are arranged at intervals on the front surface of the upper insulating shell, and an upper limit portion is integrally connected between the ends of two adjacent upper protrusions, and the two adjacent upper protrusions are connected to the An upper positioning groove is formed between the upper positioning parts; thus, when the product is assembled, each upper positioning part extends into the corresponding upper positioning groove and abuts against the surface of the upper insulating case, so that the upper positioning part is limited in position. In the upper positioning groove, it is effective to prevent the front end of the upper conductive terminal from lifting up and contacting the shielding shell. In the positioning groove, the front end of the lower conductive terminal is effectively prevented from tilting downward to contact with the shielding shell. Instead of the traditional way of pasting insulating mylar, the utility model does not need to use insulating mylar, which reduces the number of parts and production costs of the product, and also reduces the assembly process of the product, making the product assembly easier and effectively improving product production efficiency.

In order to more clearly illustrate the structural features and effects of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings.

Fig. 1 is the assembled three-dimensional schematic diagram of the preferred embodiment of the present utility model;

Fig. 2 is the exploded view of the preferred embodiment of the utility model;

Fig. 3 is a schematic diagram of another angle of Fig. 2;

Fig. 4 is a partial assembly schematic diagram of a preferred embodiment of the present utility model;

Fig. 5 is a schematic diagram of another angle of Fig. 4;

Fig. 6 is a sectional view of a preferred embodiment of the utility model;

Figure 7 is an enlarged schematic view of the upper insulating case in a preferred embodiment of the present invention;

Fig. 8 is an enlarged schematic view of the lower insulating case in a preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Lower terminal module 11. Lower insulating part

111. The second fixing slot 112. The second positioning post

113. The second fixed column 114. The third limit block

115. The fourth limit block 116. Lower card part

12. Lower conductive terminal 121. Lower welding part

122. Lower arch contact part 123. Lower positioning part

20. Upper terminal module 21. Upper insulating part

211. The first fixing slot 212. The first positioning post

213. The first fixed column 214. The first limit block

215. The second limit block 216. Upper card part

22. Upper conductive terminal 221. Upper welding part

222. Upper arch contact part 223. Upper positioning part

30. Intermediate shielding plate 31. Main body

32. Lock hook part 33. Middle welding part

301. Positioning hole 302. Front limit slot

303. Rear limit slot 40. Lower insulating shell

41. Lower terminal slot 42. Lower protrusion

43. Lower limit part 44. Lower positioning slot

45. Lower card slot 46. First fixing hole

47. The first fixed column 48. The lower buckle groove

49. Lower channel 50. Upper insulating shell

51. Upper terminal slot 52. Upper protrusion

53. Upper limit part 54. Upper positioning slot

55. Upper card slot 56. Second fixing hole

57. Second fixing column 58. Buckle up groove

59. Upper through slot 60. Lower shielding plate

61. Lower main board part 62. Lower buckle part

63. Lower shrapnel part 70. Upper shielding plate

71. Upper main board department 72. Upper buckle department

73. Upper shrapnel part 80. Shielding shell

101. Slot.

Detailed ways

Please refer to shown in Fig. 1 to Fig. 8, it has shown the concrete structure of the preferred embodiment of the present utility model, comprises terminal module 10, upper terminal module 20, middle shielding plate 30, lower insulating shell 40, upper insulating The case 50 , the lower shielding plate 60 , the upper shielding plate 70 and the shielding case 80 .

Wherein, the lower terminal module 10 includes a lower insulating part 11 and a plurality of lower conductive terminals 12, the plurality of lower conductive terminals 12 are embedded with the lower insulating part 11, and each lower conductive terminal 12 includes a lower welding part 121, a lower The arched contact portion 122 and the lower positioning portion 123, the lower welding portion 121 protrudes backward from the lower insulator 11, the lower soldering portion 121 is used for soldering and electrical connection with the circuit board, and the lower arched contact portion 122 protrudes forward For the lower insulating member 11 , the lower arched contact portion 122 is arched upwards, and the lower positioning portion 123 extends forward from the front end of the lower arched contact portion 122 .

The upper terminal module 20 includes an upper insulator 21 and a plurality of upper conductive terminals 22, the upper insulator 21 is installed on the aforementioned lower insulator 11, the plurality of upper conductive terminals 22 are embedded with the upper insulator 21, each The upper conductive terminals 22 each include an upper welding portion 221, an upper arched contact portion 222, and an upper positioning portion 223. The upper welding portion 221 protrudes backward from the upper insulating member 21, and the upper welding portion 221 is used for welding electrical contacts with the circuit board. The upper arched contact portion 222 protrudes forward from the upper insulating member 21 , the upper arched contact portion 222 arches downward, and the upper positioning portion 223 extends forward from the front end of the upper arched contact portion 222 .

The intermediate shielding plate 30 is used to isolate the signals of the lower conductive terminal 12 and the upper conductive terminal 22, so as to avoid the mutual influence of the signals of the lower conductive terminal 12 and the upper conductive terminal 22. The intermediate shielding plate 30 includes a main body 31, two locks The hook part 32 and the middle welding part 33, the main body part 31 is sandwiched between the lower insulator 11 and the upper insulator 21, and the two locking hook parts 32 extend forward from both sides of the front end of the main body part 31 respectively. The locking hook portion 32 is used to cooperate with the locking hook of the external socket, and the middle welding portion 33 extends backward, and the middle welding portion 33 is used for welding and electrical connection with the circuit board.

A plurality of lower terminal slots 41 are formed through the upper and lower surfaces of the front end of the lower insulating case 40. The bottom surface of the front end of the lower insulating case 40 is protruded with a plurality of lower protrusions 42 at intervals, and the ends of two adjacent lower protrusions 42 are integrally formed. A lower limiting portion 43 is connected, and a lower positioning groove 44 is formed between two adjacent lower protrusions 42 and the lower limiting portion 43 , and the lower positioning groove 44 is located in front of the corresponding lower terminal groove 41 .

A plurality of upper terminal slots 51 are formed through the upper and lower surfaces of the front end of the upper insulating case 50. The front end surface of the upper insulating case 50 is provided with a plurality of upper protrusions 52 at intervals, and the ends of two adjacent upper protrusions 52 are integrally formed. Connected with an upper limit portion 53, an upper positioning groove 54 is formed between two adjacent upper protrusions 52 and the upper limit portion 53, and the upper positioning groove 54 is located in front of the corresponding upper terminal groove 51. The upper insulating shell 50 is installed On the lower insulating case 40, the aforementioned lower insulating member 11 and upper insulating member 21 are sandwiched between the rear end of the upper insulating case 50 and the rear end of the lower insulating case 40, and the front end of the upper insulating case 50 is connected to the lower insulating case 40. Slots 101 are formed between the front ends of the front ends, and the upper arched contact portions of the above-mentioned upper conductive terminals and the lower arched contact portions of the lower conductive terminals all extend into the slots, and each upper arched contact portion 222 is respectively connected to the corresponding upper The terminal slots 51 face up and down, and the upper terminal slots 51 provide a deformation space for the upper arched contact portions 222, and each lower arched contact portion 122 is respectively vertically opposite to the corresponding lower terminal slots 41, and the lower terminal slots 41 are the lower terminal slots 41. The arched contact portion 122 provides a deformation space, and each upper positioning portion 223 extends into the corresponding upper positioning groove 54 and abuts against the surface of the upper insulating case 50 , so that the upper positioning portion 223 is limited in the upper positioning groove 54 , to effectively prevent the front end of the upper conductive terminal 22 from lifting up and contacting the shielding shell 80, and each lower positioning part 123 extends into the corresponding lower positioning groove 44 and abuts against the bottom surface of the lower insulating shell 40, so that the lower positioning part 123 is limited Positioned in the lower positioning groove 44 , it effectively prevents the front end of the lower conductive terminal 12 from tilting downwards to contact the shielding shell 80 .

The lower shielding plate 60 is arranged on the bottom surface of the lower insulating case 40, the upper shielding plate 70 is arranged on the surface of the upper insulating case 50, the shielding case 80 covers the lower insulating case 40 and the upper insulating case 50, the lower shielding Both the plate 60 and the upper shielding plate 70 are located in the shielding shell 80 and are in contact with the shielding shell 80. In this embodiment, the shielding shell 80 is inserted into the lower insulating shell 40 and the upper insulating shell 50 from back to front, thereby realizing Cover the lower insulating case 40 and the upper insulating case 50 .

In this embodiment, a plurality of positioning holes 301 are formed through the upper and lower surfaces of the main body 31 , and the bottom of the upper insulating member 21 is provided with a first fixing groove 211 , a first positioning column 212 and a first fixing column 213 . The surface of the lower insulator 11 is provided with a second fixing groove 111, a second positioning post 112 and a second fixing post 113, and the first positioning post 212 and the second positioning post 112 are respectively inserted into the corresponding positioning holes 301. The fixing post 213 is inserted into the second fixing slot 111 , and the second fixing post 113 is inserted into the first fixing slot 211 . Moreover, the front end face of the main body 31 is concavely provided with a front limiting groove 302, the rear end face of the main body 31 is concavely provided with a rear limiting groove 303, and the bottom of the upper insulating member 21 is convexly provided with a first The limit block 214 and the second limit block 215, the surface of the lower insulating member 11 protrudes upwards with the third limit block 114 and the fourth limit block 115, the first limit block 214 and the third limit block 114 is embedded in the corresponding front limiting groove 302, and the second limiting block 215 and the fourth limiting block 115 are embedded in the rear limiting groove 303, so that the middle shielding plate 30 is sandwiched firmly with the lower insulating member 11 and the upper insulating member 21.

And, the lower insulating shell 40 is provided with a lower locking groove 45, and correspondingly the side of the lower insulating member 11 is protruded with a lower locking portion 116, and the lower locking portion 116 cooperates with the lower locking groove 45 to realize the lower locking. The insulator 11 is installed on the lower insulating shell 40, and the upper insulating shell 50 is provided with an upper card slot 55. Correspondingly, the side surface of the upper insulating member 21 is protruded with an upper card part 216, and the upper card part 216 is connected with the upper card slot. 55 cooperates with the buckle to realize the installation of the upper insulating member 21 on the upper insulating shell 50 . Moreover, the lower insulating case 40 is provided with a first fixing hole 46 and a first fixing post 47, and correspondingly, the upper insulating case 50 is provided with a second fixing hole 56 and a second fixing post 57, and the second fixing post 57 is inserted into the first fixing hole 46 for fixed connection, and the first fixing column 47 is inserted into the second fixing hole 56 for fixed connection. In this way, the lower insulating case 40 and the upper insulating case 50 are installed and connected.

In addition, the bottom surface of the lower insulating case 40 is provided with a lower button groove 48, and the front end of the lower insulating case 40 is provided with a lower through groove 49 communicating with the aforementioned slot 101. The surface of the upper insulating case 50 is provided with an upper button groove 58. The front end of the insulating case 50 is provided with an upper through groove 59 communicating with the slot 101. The lower shielding plate 60 includes a lower main board part 61, a lower buckle part 62 and a lower elastic piece part 63 extending from the lower main board part 61, and the lower buckle part 62 and the lower buckle groove 48 are fastened and fixed to each other, and the lower elastic part 63 extends into the slot 101 through the lower through groove 49. The upper shielding plate 70 includes an upper main board part 71 and an upper buckle extending from the upper main board part 71. The upper elastic part 72 and the upper elastic part 73 , the upper buckle part 72 and the upper buckle groove 58 are fastened and connected to each other, and the upper elastic part 73 extends into the slot 101 through the upper through groove 59 .

The assembly method in this embodiment is described in detail as follows, including the following steps:

(1) As shown in Fig. 2 and Fig. 3, the lower insulator 11 and a plurality of lower conductive terminals 12 are mosaic-molded to form the lower terminal module 10, and the upper insulator 21 and a plurality of upper conductive terminals 22 are mosaic-molded to form the upper terminal Module 20.

(2) As shown in FIG. 4 and FIG. 5 , the upper insulator 21 is installed on the lower insulator 11 , and the intermediate shielding plate 30 is sandwiched between the upper insulator 21 and the lower insulator 11 .

(3) Place the lower insulating part 11 on the lower insulating case 40, so that the lower insulating part 11 is positioned on the lower insulating case 40, and each lower positioning part 123 extends into the corresponding lower positioning groove 44 and abuts against the lower insulating case 40 on the bottom surface.

(4) Install the upper insulating case 50 on the lower insulating case 40 , and position the upper insulating member 21 on the upper insulating case 50 , so that each upper positioning part 223 extends into the corresponding upper positioning groove 54 and abuts against the upper insulating case 50 on the surface.

(5) The lower shielding plate 60 is arranged on the bottom surface of the lower insulating case 40, and the upper shielding plate 70 is arranged on the surface of the upper insulating case 50, and the lower insulating case 40 and the upper insulating case 50 are wrapped by the shielding case 80 Just cover it (as shown in Figure 1).

The key point of the design of the utility model is that a plurality of lower protrusions are arranged at intervals on the bottom surface of the front end of the lower insulating shell, and the ends of two adjacent lower protrusions are integrally connected with a lower limit portion. A lower positioning groove is formed between the lower limiting parts, and a plurality of upper protrusions are arranged at intervals on the front end surface of the upper insulating case, and an upper limiting part is integrally connected between the ends of two adjacent upper protrusions. , an upper positioning groove is formed between two adjacent upper protrusions and the upper limit portion; in this way, when the product is assembled, each upper positioning portion extends into the corresponding upper positioning groove and abuts against the surface of the upper insulating shell, In this way, the upper positioning part is limited in the upper positioning groove, effectively preventing the front end of the upper conductive terminal from lifting up and contacting the shielding shell, and each lower positioning part extends into the corresponding lower positioning groove and abuts against the bottom surface of the lower insulating shell, The lower positioning part is limited in the lower positioning groove, which effectively prevents the front end of the lower conductive terminal from tilting downward and contacting the shielding case. Instead of the traditional way of pasting insulating mylar, the utility model does not need to use insulating mylar, which reduces the number of parts and production costs of the product, and also reduces the assembly process of the product, making the product assembly easier and effectively improving product production efficiency.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (6)

1. a power connector, is characterized in that: include lower terminal module, upper terminal module, intershield plate, lower insulation shell, upper insulation shell, lower barricade, upper barricade and shielding case;

This lower terminal module includes lower insulating part and multiple lower conducting terminal, the plurality of lower conducting terminal and lower insulating part produced by insert molding, every conducting terminal has once included lower weld part, lower arch contact site and lower location division, this lower weld part stretches out lower insulating part backward, this lower arch contact site stretches out forward lower insulating part, and this lower location division is extended forward in the front end of lower arch contact site;

This upper terminal module includes insulating part and multiple upper conducting terminal, on this, insulating part is installed on aforementioned lower insulating part, the plurality of upper conducting terminal and upper insulating part produced by insert molding, on each, conducting terminal has included weld part, upper arch contact site and upper location division, on this, weld part stretches out insulating part backward, on this, arch contact site stretches out insulating part forward, and on this, location division is extended forward in the front end of upper arch contact site;

This intershield plate includes main part, two lock hook portions and middle weld part, and this main part is located between lower insulating part and upper insulating part, and this two lock hooks portion extends forward respectively at the both sides, front end of main part, and this middle weld part extends back;

The front end upper and lower surface of this lower insulation shell runs through and is formed with multiple lower ends pilot trench, the interval, bottom surface, front end of lower insulation shell is convexly equipped with multiple lower convexity, lower limit portion is connected with between the end of adjacent two lower convexity, enclose between adjacent two lower convexity and lower limit portion and be configured to lower location notch, lower location notch is positioned at the front of terminal groove under correspondence;

On this, the front end upper and lower surface of insulation shell runs through and is formed with multiple upper ends pilot trench, the front-end surface interval of upper insulation shell is convexly equipped with multiple projection, upper limit portion is connected with between the end of adjacent two projections, enclose between adjacent two projections and upper limit portion and be configured to location notch, upper location notch is positioned at the front of terminal groove on correspondence, on this, insulation shell is installed on lower insulation shell, aforementioned lower insulating part and upper insulating part are located between the rear end of insulation shell and the rear end of lower insulation shell, this is formed with slot between front end of insulation shell and the front end of lower insulation shell, the upper arch contact site of aforementioned each upper conducting terminal and the lower arch contact site of lower conducting terminal all stretch in slot, each upper arch contact portion is not just right up and down with corresponding upper end pilot trench, each lower arch contact portion is not just right up and down with corresponding lower end pilot trench, and, each upper location division to be stretched in corresponding upper location notch and is butted on the surface of insulation shell, each lower location division to be stretched in corresponding lower location notch and is butted on the bottom surface of lower insulation shell,

This lower barricade is arranged on the bottom surface of lower insulation shell, and on this, barricade is arranged on the surface of insulation shell, and this shielding case envelopes lower insulation shell and upper insulation shell, and this lower barricade is all positioned at shielding case with upper barricade and contacts with shielding case.

2. power connector according to claim 1, it is characterized in that: the upper and lower surface of described main part runs through and is formed with multiple location hole, on this, the bottom of insulating part is provided with the first holddown groove, the first reference column and the first fixed leg, the surface of this lower insulating part is provided with the second holddown groove, the second reference column and the second fixed leg, this first reference column and the second reference column insert in corresponding location hole respectively, this first fixed leg inserts in the second holddown groove, and this second fixed leg inserts in the first holddown groove.

3. power connector according to claim 1, it is characterized in that: the front end face of described main part is arranged with front limit groove backward, the rear end face of main part is arranged with forward rear stopper slot, on this, the bottom of insulating part is convexly equipped with the first guide vane end stop and the second guide vane end stop downwards, the surface of this lower insulating part is convex is provided with the 3rd guide vane end stop and the 4th guide vane end stop, this first guide vane end stop and the 3rd guide vane end stop embed in corresponding front limit groove, and this second guide vane end stop and the 4th guide vane end stop are embedded in rear stopper slot.

4. power connector according to claim 1, it is characterized in that: described lower insulation shell is provided with lower bayonet slot, the side of this lower insulating part is convexly equipped with lower fastening portion accordingly, this lower fastening portion coordinates buckle with lower bayonet slot, insulation shell is provided with draw-in groove for this, on this, the side of insulating part is convexly equipped with upper fastening portion accordingly, and this upper fastening portion coordinates buckle with upper draw-in groove.

5. power connector according to claim 1, it is characterized in that: described lower insulation shell is provided with the first fixing hole and the first fixed leg, accordingly, insulation shell is provided with for this second fixing hole and the second fixed leg, this second fixed leg inserts in the first fixing hole and is fixedly connected with, and this first fixed leg inserts the second fixing hole and is fixedly connected with.

6. power connector according to claim 1, it is characterized in that: the bottom surface of described lower insulation shell is provided with lower catching groove, the front end of lower insulation shell is provided with the lower groove being communicated with slot, on this, the surface of insulation shell is provided with catching groove, the front end of upper insulation shell is provided with the upper groove being communicated with slot, this lower barricade includes lower main board portion and the lower buckle portion of extending in lower main board portion and lower shrapnel part, lower buckle portion and lower catching groove are fastened and connected fixing each other, lower shrapnel part stretches in slot by lower groove, on this, barricade includes main board portion and the upper buckle portion of extending in upper main board portion and upper shrapnel part, upper buckle portion and upper catching groove are fastened and connected fixing each other, upper shrapnel part is stretched in slot by upper groove.