CN203434320U - Electrical connector - Google Patents

Abstract

The utility model discloses an electric connector for supply a butting connector to peg graft, it includes: an insulating body, several terminals and a shielding shell. The insulating body is provided with a rear wall, the front side surface of the rear wall is provided with a tongue piece and a tongue piece which are mutually spaced, the tongue piece is provided with an upper contact surface and a lower contact surface, and the tongue piece is arranged above the tongue piece and is deviated to one side of the insulating body; the terminals are accommodated in the insulating body and are provided with contact ends, and the contact ends of the terminals are respectively exposed out of the upper contact surface and the lower contact surface of the tongue piece and the lower surface of the tongue piece; the shielding shell covers the insulating body and is provided with two elastic sheets extending towards the left side and the right side of the insulating body, and the extending direction of the elastic sheets is approximately the same as that of the tongue sheets. The utility model discloses electric connector provides butting connector through the shell fragment and has more firm and stable cohesion to increase electric connector's incorruptibility.

Description

electrical connector

technical field

The utility model relates to an electric connector, in particular to an electric connector with a more stable structure and a greater plugging force. the

Background technique

The connector responsible for inputting and outputting digital signals and power supply must fully present the three functions of combination, separation and conduction. If one is missing, the connector will be ineffective. The requirements of each device are different. The number of times, the strength of the required insertion force, the required transmission rate or the structural strength requirements of the connector, so many connector structures designed for the use characteristics of the device have been derived, and the factors considered are based on the above. requirements etc. the

The utility model provides an electrical connector designed according to the use characteristics of a specific device, which is used in the signal or power transmission of an electronic product, and has a stable structure and a large plugging force. the

Utility model content

The purpose of the utility model is to overcome the disadvantages of the above-mentioned prior art, and provide an electrical connector with a more stable structure and a greater plugging force. the

In order to achieve the above object, the utility model provides an electrical connector with a stable structure and a large plugging force, which includes: an insulating body, a rear wall, a tongue and a spaced apart front side of the rear wall Tongue piece, the tongue piece is provided with upper and lower contact surfaces, the tongue piece is arranged on the top of the tongue piece and deviates to one of the left and right sides of the insulating body; the terminal group is provided with a number of first terminals, a number of second terminals and a number of second terminals. Three terminals, accommodated in the insulating body, each terminal is provided with a contact end, and the contact ends of the terminals are respectively exposed on the upper surface of the tongue piece, the lower contact surface and the lower surface of the tongue block; a shielding shell, covering the insulating body, forming There is a left surface and a right surface, and the middle parts of the front sides of the left surface and the right surface are bent and extended into the receiving space with an elastic piece, and the extending direction of the elastic piece is roughly the same as the extending direction of the tongue piece. the

The electrical connector of the utility model provides a more firm and stable bonding force for the docking connector through the shrapnel, so as to increase the durability of the electrical connector. the

Description of drawings

FIG. 1 is a perspective view of an electrical connector according to an embodiment of the present invention. the

FIG. 2 is an exploded perspective view of the electrical connector shown in FIG. 1 . the

FIG. 3 is a perspective view of the insulating body of the electrical connector shown in FIG. 1 . the

FIG. 4 is a cross-sectional view of the electrical connector shown in FIG. 1 . the

FIG. 5 is an upside-down perspective view of the insulating body of the electrical connector shown in FIG. 1 . the

FIG. 6 is a perspective view of terminals of the electrical connector shown in FIG. 1 . the

FIG. 7 is a perspective view of a combination block of the electrical connector shown in FIG. 1 . the

FIG. 8 is a perspective view of an upside-down assembly block of the electrical connector shown in FIG. 1 . the

FIG. 9 is a perspective view of a positioning block of the electrical connector shown in FIG. 1 . the

FIG. 10 is a perspective view of the shielding shell of the electrical connector shown in FIG. 1 . the

FIG. 11 is a front view of the mating surface of the electrical connector shown in FIG. 1 . the

The reference numerals of each component in the figure are explained as follows. the

Electrical connector 1 insulation body 10

Upper wall 11 Block 110

Buckle 111 Buckle space 112

lower wall 12 barb 120

The third chute 121 Pad 122

Left wall 13 first convex buckle 130

The first chute 131 The second chute 132

Right wall 14 Back wall 15

Tongue 150 Upper contact surface 151

Lower contact surface 152 First terminal slot 153

Second terminal slot 154 Interference part 155

Projection 156 First Card 157

Missing slot 158 Tongue block hole 159

Second Card 160 Groove 161

Separator 162 Fixing block hole 163

Storage space 17 Plugging space 18

Terminal group 20 First terminal 21

Second terminal 22 Third terminal 23

Contact end 24 Connection part 25

Holder 26 Tail 27

Solder end 28 Tongue piece 30

Docking block 31 Chute 310

The third terminal slot 311 fixed block 32

Block groove 320 Projection 321

Positioning block 40 Wall part 41

Tail slot 410 Pallet 411

The second convex buckle 412 plate part 42

Perforation 420 Wing 421

Gusset 422 Shielding shell 50

Covering space 51 Inner snap-in piece 52

Outer snap-fit piece 53 Convex slot 54

Pin 55 Hook 56

Shrapnel 57 External Fixer 58

ear 59. the

Detailed ways

In order to describe the technical content, structural features, purpose and effect of the present utility model in detail, the following examples are exemplified and described in detail with accompanying drawings. the

In this embodiment, the directions of the components are defined according to the directions shown in Figure 1 and Figure 2, and the front and relative rear of each component are defined from the docking direction of the electrical connector 1, as well as the view The up, down, and left and right directions and surfaces of the user. the

1 and 2, the electrical connector 1 includes an insulating body 10, a terminal group 20, a tongue block 30, a positioning block 40 and a shielding housing 50, wherein the terminal group 20 and the tongue block 30 are formed by the insulating body 10 is inserted from the rear, the positioning block 40 is inserted from the bottom of the insulating body 10 , and the shielding shell 50 is inserted from the front of the insulating body 10 . the

Please refer to FIG. 3 , FIG. 4 and FIG. 5 . The insulating body 10 is a hollow rectangular body surrounded by an upper wall 11 , a lower wall 12 , a left wall 13 and a right wall 14 . The interior also has a rear wall 15, which divides the interior of the insulating body 10 into front and rear spaces, which are respectively the accommodation space 17 in the front and the insertion space 18 in the rear. It is opened on the left, and the insertion space 18 forms an opening to the rear and below. the

And in the middle part of the front side of the rear wall 15, a tongue piece 150 protrudes forward. The tongue piece 150 has an upper contact surface 151 and a lower contact surface 152. The lower contact surface 152 is provided with some first terminals extending toward the rear wall 15. Slot 153, the upper contact surface 151 is provided with a number of second terminal slots 154 extending toward the rear wall 15, the first terminal slot 153 and the second terminal slot 154 both penetrate the rear wall 15 and communicate with the insertion space 18, the first terminal slot 153 The opening through which the rear wall 15 penetrates is substantially in a convex shape, and the opening through which the second terminal groove 154 penetrates on the rear wall 15 is approximately convex, and the wider part of the convex opening and the reverse convex opening is It is the interference part 155, the rear side of the rear wall 15 corresponds to the position of the second terminal groove 154 and extends backward to form a protrusion 156, the second terminal groove 154 extends through the protrusion 156, and the rear side of the rear wall 15 is inserted downward toward A first card 157 protrudes from the space 18. The first card 157 has a plurality of slots 158 corresponding to the first terminal slot 153. A barb 120 is provided in the middle behind the lower wall 12. The rear wall 15 is located above the tongue 150. Open a tongue block hole 159 connecting the accommodation space 17 and the insertion space 18. The tongue block hole 159 is set on the left side of the rear wall 15. In other feasible embodiments, the tongue block hole 159 can be opened on the right side. A second card 160 is protruded toward the insertion space 18 on the rear side of the outlet portion 156. The middle part of the second card 160 is recessed to form a groove 161, and a partition 162 is connected to the upper wall 11 on the right side of the groove 161. The partition 162, the second card 160, the upper wall 11 and the left wall 13 form a fixed block hole 163, the upper wall 11 is provided with a block 110 at the part of the fixed block hole 163, and a buckle protrudes from the rear side of the partition 162 111 , a buckle space 112 is formed on the lower surface of the buckle 111 . the

The left wall 13 and the right wall 14 are respectively provided with a first protruding button 130 in the middle part of the rear side, and a first chute 131 is formed above and below the first protruding button 130, and the first chute 131 runs through the left wall 13 and the right wall. Opening is formed on the rear surface of 14, and the middle part of the inner surface of left wall 13 and right wall 14 is respectively recessed to form a second chute 132, and the second chute 132 forms a gap at the front side of left wall 13 and right wall 14, and the bottom wall 12 A third chute 121 is formed on the lower surface near the left and right sides respectively, and a spacer 122 protrudes from the rear side of the third chute 121, and another protrudes from the middle of the lower wall 12. For block 122. the

Please refer to FIG. 6 , the terminal group 20 is housed in the insulating body 10, and at least one elastic terminal and at least one non-elastic terminal are provided. The elastic terminal is provided with a plurality of first terminals 21 and a plurality of second terminals 22. Three terminals 23, the elastic terminal is inserted into the insulating body 10 by the insertion space 18, and is provided with an elastic contact end exposed on the surface of the tongue piece 150, and a welding end 28 extends vertically downward from the rear end of the elastic contact end. The non-elastic terminal is Formed integrally with the tongue block 30 , there is a non-elastic contact end exposed on the surface of the tongue block 30 , and a welding end 28 extends vertically downward from the rear end of the non-elastic contact end. Each of the terminals is strip-shaped, extending from front to back in order to form a contact end 24, which is respectively exposed on the tongue 150, the lower contact surfaces 151, 152 and the lower surface of the tongue block 30, and is connected by the contact end 24. The extended connection portion 25 , the holding portion 26 , the tail portion 27 and the welding end 28 . The contact end 24 of the first terminal 21 is bent downward, so that the terminal can elastically abut against the butt terminal. The width of the holding part 26 is larger than that of the contact end 24. The tail part 27 is bent vertically and downwards from the rear end of the holding part 26. Extending, the end of the tail portion 27 narrows toward the center and extends downward to form a welding end 28 with a smaller width. The structure of the second terminal 22 is substantially the same as that of the first terminal 21 , the difference lies in that the contact end 24 of the second terminal 22 is bent upward. the

The contact ends 24 of several third terminals 23 extend straight and abut against the plane of the butt terminals, and the front is bent into an L-shape, so that several third terminals 23 can be buried in the tongue block 30 when they are embedded with the tongue block 30 In the main body, the terminal is prevented from protruding from the surface, the width of the holding part 26 is greater than that of the contact end 24, the bottom of the tail part 27 is narrowed and extends downward to form a welding end 28, and the number of several third terminals 23 selected here is five, and five In the middle of the third terminals 23 side by side, the connection portion 25 extends straight to the rear, and the welding end 28 is narrowed from the end of the tail portion 27 toward the center and extends downward. The connecting parts 25 of the other four third terminals 23 on the left and right sides extend radially backward, and the terminals on the left side have their welding ends 28 narrowed on the left side of the tail part 27 and extend downwards. , and the terminal on the right side has its welding end 28 narrowed on the right side of the tail part 27 and extends downward. the

Please refer to FIG. 7 and FIG. 8 , the tongue piece 30 protrudes from the receiving space 17 after passing through the tongue piece hole 159 from the insertion space 18 , and the tongue piece 30 is arranged above the tongue piece 150 and is biased toward the left side of the insulating body 10 . One of the right side is composed of a long and flat rectangular docking block 31 and a wide and thick rectangular fixing block 32, the docking block 31 is set in the middle of the fixing block 32, after the third terminal 23 is put into the mold , completed by insert molding, the upper surface of the docking block 31 has a chute 310 recessed into a roughly rectangular space, the rear side of the chute 310 has a sloped edge, and the lower surface of the docking block 31 has a first spaced row extending forward and backward. The three-terminal groove 311 makes the contact end 24 of the third terminal 23 arranged in the docking block 31 exposed to the surface, and the middle part of the front side of the upper surface of the fixed block 32 has a recessed block groove 320, and the lower surface of the fixed block 32 There is a rectangular protrusion 321 at the right rear. the

Please refer to FIG. 9 , the positioning block 40 is provided with a wall portion 41 extending approximately vertically and covering the rear of the insertion space 18 and a plate portion 42 extending approximately horizontally and covering the bottom of the insertion space 18. The plate portion 42 is located on The lower side of the wall 41 makes the positioning block 40 roughly L-shaped. The front surface of the wall 41 forms a number of tail grooves 410 arranged at intervals for the welding ends 28 of the non-elastic terminals to pass through. The tail grooves 410 run through the upper surface and the lower surface. , a rectangular clamping plate 411 protrudes from the upper surface of the wall portion 41, the clamping plate 411 is on the right side of the tail groove 410, and a rectangular second convex buckle 412 protrudes from the middle of the left surface of the wall portion 41. A plurality of perforations 420 are provided on the upper surface of the upper surface, and the plurality of perforations 420 are arranged at intervals according to the positions corresponding to the welding ends 28 of the first terminal 21 and the second terminal 22, for the welding ends 28 of the elastic terminals to pass through, and the two sides of the plate portion 42 A wing portion 421 protrudes from each, and a pinch plate 422 protrudes from the front side of the plate portion 42 in the middle. the

Please refer to FIG. 10 , the shielding shell 50 is stamped from a metal sheet to cover the insulating body 10, and is formed with an upper surface, a rear surface, a left surface and a right surface, and the surfaces are surrounded together to form a cladding space. 51. The insulating body 10 can be accommodated in the covering space 51 by the opened rear surface. The left surface and the right surface are oppositely arranged, and two inner engaging pieces 52 arranged up and down are respectively arranged in the middle. An outer engaging piece 53 is arranged at the rear of the closing piece 52, the inner engaging piece 52 extends into the cladding space 51, the outer engaging piece 53 protrudes outward, and a convex buckle groove 54 is arranged above the outer engaging piece 53, The convex buckle groove 54 forms an opening to the rear, and the lower sides of the left surface and the right surface respectively extend downwards with two stitches 55 arranged at intervals, and the lower side also has a hook 56 bent into a U shape in the receiving space 17, and the left The middle part of the surface and the front side of the right surface bends and extends into the receiving space 17 with an elastic sheet 57 extending in the same direction as the tongue 150, and the horizontal height of the elastic 57 is approximately the same as that of the tongue 150. A vertical outer fixing piece 58 is turned outward from the top and bottom of the elastic piece 57, the bottom of the lower outer fixing piece 58 is bent vertically to the rear, and a rectangular ear portion 59 is vertically extended on both sides of the rear surface. The ear portion 59 has an opening in the center. the

Please refer to FIG. 1 to FIG. 10, the assembly method of the electrical connector 1 of the present invention is as follows, the first terminal 21 and the second terminal 22 are respectively inserted into the first terminal groove 153 and the second terminal groove 154, wherein the contact end 24 and The connecting part 25 is placed in the first terminal groove 153 and the second terminal groove 154, the holding part 26 is fixed in the interference part 155, a part of the tail part 27 of the first terminal 21 passes through the slot 158, and the third terminal 23 and the tongue block 30 are formed together and inserted from the rear of the insulating body 10, so that the docking block 31 penetrates the tongue block hole 159, and the fixing block 32 is inserted into the fixing block hole 163. slot 161, and then the positioning block 40 is inserted into the insertion space 18 from the bottom of the insulating body 10. At this time, the clamping plate 411 is inserted into the buckling space, the tail groove 410 slides into the tail portion 27 of the third terminal 23, and the buckle plate 422 and the barb 120 combination, the wing 421 snaps into the third chute 121, the perforation 420 passes through the welding end 28 of the first terminal 21 and the second terminal 22, the first protruding buckle 130 and the second protruding buckle 412 are arranged in parallel, and finally the insulation The main body 10 is inserted from the rear of the shielding case 50, so that the hook 56 slides into the third chute 121, the inner engaging piece 52 fastens the first chute 131, the elastic piece 57 slides into the second chute 132, and the convex buckle The groove 54 slides into the first protruding buckle 130 and the second protruding buckle 412 to cover the rear surface of the shielding case 50 so that the ear portion 59 buckles the outer engaging piece 53 . the

Please refer to Fig. 11 , the electrical connector 1 designed according to the usage characteristics of the specific device of the present invention has four first terminals 21 and second terminals 22, and together with five third terminals 23, the total is ten Three, numbered one to four from the right side of the second terminal 22 to the left, numbered five to eight of the first terminal 21 from the left to the right, numbered nine to thirteen from the left side of the third terminal 23 to the right, and the numbers correspond to The definitions of each terminal are as follows:

1. VBUS. the

Two, D+. the

Three, D-. the

Four, GND. the

Five, VCC. the

Six, GND. the

Seven, GND. the

Eight, IR_I/O. the

Nine, StdA_SSTX+. the

10. StdA_SSTX-. the

Eleven, GND_DRAIN. the

12. StdA_SSTX+. the

Thirteen, StdA_SSTX-. the

In this way, the structure of the electrical connector 1 of the present utility model is firmly locked by multiple sets of engaging structures, so it has a stable structure, and provides a more firm and stable bonding force for the docking connector through a shrapnel 57, increasing the The durability of the electrical connector 1. the

The above descriptions are only preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model. Therefore, all equivalent structural changes made by using the utility model specification and accompanying drawings are all included in the same reason. Within the scope of the present utility model, together give Chen Ming. the

Claims (8)

1. an electric connector, is characterized in that: comprising:

One insulating body, is provided with a rear wall, the leading flank of rear wall be provided with apart from one another by a tongue piece and a tongue piece, tongue piece is provided with upper and lower contact-making surface, the left and right side that tongue piece is arranged at tongue piece top and is partial to insulating body is a side wherein;

Terminal group, is provided with some the first terminals, some the second terminals and some the 3rd terminals, is contained in insulating body, and each terminal is equipped with contact jaw, and the contact jaw of terminal exposes to respectively the upper and lower contact-making surface of tongue piece and the lower surface of tongue piece;

One shielding casing, coated insulation body, is formed with left surface and right surface, and the middle part of left surface and right surperficial front side is extended with a shell fragment to receiving space inner bending, and shell fragment bearing of trend and tongue piece bearing of trend are roughly the same.

2. electric connector according to claim 1, it is characterized in that: described terminal group comprises at least one flexible terminal and at least one non-resilient terminal, flexible terminal is provided with the elastic connecting contravention of the upper and lower contact-making surface that is exposed to tongue piece, and non-resilient terminal is provided with the non-resilient contact jaw that is exposed to tongue piece surface.

3. electric connector according to claim 2, is characterized in that: the level height that the level height that described shell fragment extends and tongue piece extend is roughly the same.

4. electric connector according to claim 1, is characterized in that: the welding ends of described some the first terminals, some the second terminals and some the 3rd terminals is sequentially to line up from front to back three rows.

5. an electric connector, it comprises:

One insulating body, its inner space that forms, is provided with a rear wall in space, spatial separation is become to the receiving space in the place ahead and the grafting space at rear, and rear wall is provided with towards receiving space and extends a tongue piece and a tongue piece;

Terminal group, be contained in insulating body, be provided with at least one flexible terminal and at least one non-resilient terminal, flexible terminal is provided with an elastic connecting contravention that is exposed to tongue piece surface, elastic connecting contravention rear end is extended with a welding ends vertically downward, non-resilient terminal is provided with a non-resilient contact jaw that is exposed to tongue piece surface, and non-resilient contact jaw rear end is extended with a welding ends vertically downward;

A positioning block, is contained in the grafting space of insulating body, is provided with the stern notch that the welding ends of perforation that at least one welding ends for flexible terminal wears and the non-resilient terminal of at least one confession wears;

One shielding casing, coated insulation body.

6. electric connector according to claim 5, is characterized in that: described rear wall is formed with the tongue piece hole that is communicated with receiving space and grafting space, and tongue piece is protruded from receiving space through behind tongue piece hole by the space of pegging graft.

7. electric connector according to claim 6, is characterized in that: described at least one non-resilient terminal is integrally formed with tongue piece, and described at least one flexible terminal is to be inserted in insulating body by grafting space.

8. electric connector according to claim 7, it is characterized in that: described locating piece is provided with a substantially vertical extension and is covered in the wall portion at rear in grafting space and the board that the below in grafting space is extended and be covered in to an approximate horizontal, wall portion is provided with stern notch, board is provided with perforation, shielding casing is provided with a upper surface, one rear surface, one left surface and a right surface, on, left, the common encirclement in right surface and form a coating space, insulating body and locating piece are inserted after coating space by shielding casing rear, the rear surface bending of shielding casing covers the wall portion of locating piece.

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