CN202474430U - Electric connector - Google Patents

Abstract

An electric connector includes a metal shell, a plug-in portion assembled in the metal shell, a plurality of conductive terminals accommodated in the plug-in portion, and a grounding shrapnel mounted on the front end of the metal shell to interfere with the butt connector. The front end of the metal shell is provided with a plurality of clamping protrusions, and the grounding shrapnel is provided with an engaging portion that is clamped on the clamping protrusions. The space for the engaging part to pass through. The grounding elastic piece is installed from front to back, so that the engaging part passes through the space, and then moves sideways, so that the engaging part and the convex part engage with each other, so as to fix the grounding elastic piece On the metal casing, the grounding shrapnel can be easily disassembled from the metal casing by moving the grounding shrapnel in reverse steps.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector with a grounding shrapnel.

【Background technique】

Electrical connectors are important components for transmitting signals between electronic devices. The requirements for the transmission quality of electrical connectors are getting higher and higher. At present, the metal shell of electrical connectors is usually grounded to reduce electromagnetic interference and improve the performance of electrical connectors. For the purpose of signal transmission quality, please refer to an electrical connector disclosed in Chinese Utility Model Patent Announcement No. 2383240 for the prior art related to the present invention. The electrical connector includes an insulating body, a plurality of conductive terminals held in the insulating body, a metal shell covering the outside of the insulating body, and a grounding spring mounted on the metal shell for contacting the mating connector. The grounding spring It includes an engaging portion and an abutting portion extending obliquely forward from the bottom end of the engaging portion. The metal casing includes a front wall and two side walls extending backward from both sides of the front wall. When installing, first install the engaging part of the grounding shrapnel on the inner side of the front wall of the metal casing and lean forward against the front wall of the metal casing, so that the grounding shrapnel is held on the metal casing, and then install the metal casing and the grounding shrapnel on the insulation On the main body, when the grounding shrapnel needs to be disassembled, the metal shell must be removed from the insulating body as a whole, which is inconvenient for the installation and removal of the grounding shrapnel.

Therefore, it is necessary to modify the existing electrical connectors to overcome the above defects.

【Content of utility model】

The purpose of the utility model is to provide a grounding shrapnel which can be conveniently installed and disassembled.

In order to achieve the above purpose, the utility model adopts the following technical solution: an electrical connector, which includes a metal shell, an inserting part assembled in the metal shell, a number of conductive terminals accommodated in the inserting part, and mounted on the front end of the metal shell for The grounding shrapnel that conflicts with the docking connector, the front end of the metal shell is provided with a number of clamping protrusions, the grounding shrapnel is provided with an engaging portion that is clamped on the holding protrusions, and the metal housing is also provided with a corresponding There is an interval space between the two locking protrusions for the locking part to pass through from front to back.

The engaging portion passes through the interval space along the front-rear direction, and then moves along the left-right direction to be locked on the locking convex portion.

The clamping convex part includes a clamping wall and a protruding part protruding from the middle of the clamping wall in the up and down direction; the grounding elastic piece also includes a main body; The horizontal part and the vertical part perpendicularly extending from the rear end of the horizontal part, the horizontal part clamps the protruding part.

The clamping protrusion also includes a blocking wall extending backward from one end of the clamping wall and a projection protruding backward from the other end, and the vertical part of the engaging part is located between the blocking wall and the projection .

The main body of the grounding shrapnel is provided with a number of through grooves that run through the front and back, and the through grooves divide the main body into several baffles and a number of connecting pieces connecting adjacent baffles. extend back.

The grounding elastic piece also includes an abutting portion extending forward from one side of the blocking piece to abut against the docking connector.

The metal casing includes a first casing and a second casing, the first casing includes a top wall, the second casing includes a bottom wall, and front ends of the top wall and the bottom wall are provided with a forwardly extending installation wall, so The holding convex part protrudes upwards and downwards from the front end of the installation wall, and the retaining piece of the grounding spring abuts against the front end of the installation wall backward.

The plug-in part includes an insulating body and a shielding shell covering the insulating body. The shielding shell includes a cuboid body part and a mounting part extending outward from the rear end of the body part. The metal shell has two mounting walls. A concave holding groove is provided on the side, and the installation part is accommodated in the holding groove.

The metal shell is provided with an abutting wall extending inwardly, the abutting wall is adjacent to the holding groove, and the shielding shell is abutted against the abutting wall backward.

The rear end of the insulating body is provided with an outwardly protruding holding block, and the rear end of the shielding housing is provided with a concave groove recessed forward, and the holding block is accommodated in the concave groove.

Compared with the prior art, the utility model has the following beneficial effects: the front end of the metal shell of the electrical connector is provided with a clamping protrusion extending up and down, and the left and right sides of the clamping protrusion are provided with interval spaces. The grounding shrapnel is provided with an engaging part. The engaging part first passes through the space from front to back and then moves left and right to be clamped on the holding protrusion. The grounding shrapnel moves in the opposite direction and can be easily removed from the Remove from the metal case.

【Description of drawings】

FIG. 1 is a three-dimensional assembled view of the electrical connector of the present invention.

FIG. 2 is a partially exploded perspective view of the electrical connector of the present invention.

Fig. 3 is a three-dimensional exploded view of the electrical connector of the present invention.

FIG. 4 is a three-dimensional exploded view of another angle of the electrical connector of the present invention.

Fig. 5 is a perspective view of the installation of the first shell and the grounding shrapnel of the electrical connector of the present invention.

【Detailed ways】

Please refer to Figures 1 to 3, the electrical connector 100 of the present invention includes a plug-in part, a conductive terminal 2 installed in the plug-in part 6 for electrical contact with the mating connector, and a terminal assembled on the outside of the plug-in part. The metal shell 4 and the grounding shrapnel 5 mounted on the front end of the metal shell 4 are used to interfere with the mating connector (not shown).

Please refer to Fig. 3 to Fig. 4, the plug-in part 6 includes an insulating body 1 and a shielding shell 3 covering the outside of the insulating body 1, and the insulating body 1 includes a substantially cuboid base 10 and a base 10 A plurality of extension parts 11 extending backward, forming a plurality of storage passages 110 between the extension parts 11, the base 10 is provided with a plurality of storage grooves 101 penetrating from front to rear, and the storage grooves 101 communicate with the storage passages 110, The rear end of the extension part 11 is provided with a plurality of holding blocks 111 protruding outward. In the utility model, the insulating body 1 includes a first insulating body 13 and a second insulating body 13 spaced left and right from the first insulating body 13. Body 14 , the first insulating body 13 has the same structure as the second insulating body 14 .

The conductive terminal 2 includes a contact part (not shown) accommodated in the receiving groove 101 and a connecting part 22 extending backward from the contact part into the receiving channel 110. The connecting part 22 of the conductive terminal 2 is connected to an external cable (not shown). diagram) connected.

Referring to Fig. 3 and Fig. 5, the shielding housing 3 includes a roughly cuboid body portion 31 and mounting portions 32 extending up, down, and both sides from the rear end of the body portion 31, and the body portion 31 includes an upper end wall 311, the lower end wall 312 opposite to the upper end wall 311 and the two side walls 313 connecting the upper end wall 311 and the lower end wall 312, the upper end wall 311, the lower end wall 312 and the two side walls 313 jointly form a receiving space 310, the The receiving space 310 is provided with a connecting wall 314 that connects the upper end wall 311 and the lower end wall 312 and is located between the two side walls 313. The connecting wall 314 separates the receiving space 310 to form a first receiving space 3101 and a second receiving space. In the second storage space 3102 on the right side of the first storage space 3101, the first insulating body 13 is stored in the first storage space 3101, the second insulating body 14 is stored in the second storage space 3102, and the main body 31 There are several recessed grooves 315 on the rear end surface, and the retaining block 111 at the rear end of the insulating body 1 is buckled in the recessed grooves 315 to restrict the random movement of the insulating body 1. The first protruding part 3111 is provided with a plurality of first retaining grooves 3112 that penetrate forward between two adjacent first protruding parts 3111, and the lower end wall 312 of the body part 31 is provided with a plurality of second protruding downwards. Convex part 3121, between two adjacent said second protruding parts 3121 is provided with several second holding grooves 3122 that penetrate forward, and said first holding grooves 3112 and said second holding grooves 3122 are in the vertical direction stagger each other to ensure correct insertion of the electrical connector 100 and the mating connector.

The grounding shrapnel 5 is roughly in the shape of a longitudinal strip, which includes a main body 51 and a plurality of engaging parts 52 bent and extended from the upper and lower ends of the main body 51 respectively. Slot 510, the through groove 510 divides the main part 51 into several blocking pieces 511 and connecting pieces 512 connecting adjacent blocking pieces 511, the main body part 51 also includes a front extending from the right side of the blocking piece 511 The elastic abutting part 513, the engaging part 52 is respectively bent and extended from the upper and lower ends of the blocking piece 511. In the present utility model, the grounding elastic piece 5 is provided with five through grooves 510, and the main body of the grounding elastic piece 5 The part 51 is divided into six blocking pieces 511, and the engaging part 52 includes a horizontal part 521 horizontally extending backward from the upper and lower ends of the blocking piece 511 and a vertical part 522 vertically extending oppositely from the rear end of the horizontal part 521. The vertical portion 521 is aligned up and down and together with the vertical portion 522 forms a clamping space 5210 .

The metal casing 4 includes a first casing 41 and a second casing 42 assembled with the first casing 41. The first casing 41 includes a top wall 411 and extends from both sides and the rear end of the top wall 411 to The first extension wall 412 extending downward, the top wall 411 and the first extension wall 412 enclose the first accommodating space 410, and the top wall 411 is provided with a bottom protruding into the first accommodating space 410 The abutment wall 43 and the installation wall 44 extending forward from the top wall 411 and located in front of the abutment wall 43, the abutment wall 43 is adjacent to the installation wall 44, and the abutment wall 43 does not extend downward beyond the first The extension wall 412, the two sides of the rear end of the installation wall 44 are provided with holding grooves 441 communicating with the first accommodating space 410, the holding grooves 441 are adjacent to the abutment wall 43, and the installation wall 44 The front end is provided with a plurality of holding protrusions 45 protruding in the up and down direction and spaced apart from each other. In the utility model, the front end of the installation wall 44 is provided with six spaced apart holding protrusions 45 arranged transversely. There is a space 46 between the adjacent holding protrusions 45, and the holding protrusions 45 include a holding wall 451 extending upwards and downwards from the front end of the installation wall 44, respectively, and upward and downward directions from the middle of the holding wall 451. The extended protrusion 452, the stop wall 453 extending backward from the left end of the holding wall 451 located above the installation wall 44 to the top wall 411, and the projection 454 protruding backward from the right end of the holding wall 451, said The upper end of the protruding part 452 is flush with the outer surface of the top wall 411 of the first housing 41, and the width between the upper and lower protruding parts 452 is the same as the upper and lower width of the clamping space 5210 of the grounding elastic piece 5, and the grounding elastic piece 5 is installed on When installing the front end of the first shell 41, first pass the vertical portion 522 of the grounding elastic piece 5 through the space 46 between the adjacent holding protrusions 45 from front to back, so that the blocking piece 511 of the grounding elastic piece 5 Back against the front end surface of the installation wall 44, and then move the grounding shrapnel 5 horizontally to the left as a whole, the protrusion 452 is accommodated in the clamping space 5210, so that the vertical portion 522 of the grounding shrapnel 5 is positioned Between the stop wall 453 and the protruding block 454, to limit the left and right movement of the grounding shrapnel 5, the right side of the first extension wall 412 is provided with an upwardly recessed semicircular first groove 413, and the first groove 413 The outer side of the first extension wall 412 at the front end is provided with an outwardly protruding lug 47 , and the lug 47 is provided with a through hole 471 penetrating front and back.

The second housing 42 includes a bottom wall 421 and a second extension wall 422 extending upward from the bottom wall 421, a second accommodating space 420 is formed between the bottom wall 421 and the second extension wall 422, and the second The front end of the housing 42 has substantially the same structure as the front end of the first housing 41. The bottom wall 421 is provided with an abutting wall 43 protruding upward into the second accommodating space 420 and extending forward from the bottom wall 421 and located at Against the installation wall 44 in front of the wall 43, the two sides of the rear end of the installation wall 44 are provided with holding grooves 441 that communicate with the second accommodating space 420, and the front end of the installation wall 44 is provided with spacers extending along the up and down direction. The number of holding protrusions 45 of the second housing 42 is the same as that of the first housing 41, and the number of adjacent holding protrusions 45 is also There is a space 46, and the holding protrusion 45 of the second housing 42 includes a holding wall 451 extending up and down from the front end of the mounting wall 44, a protrusion 452 extending up and down from the middle of the holding wall 451, and a self-located The right end of the holding wall 451 below the installation wall 44 extends backward to the stop wall 453 of the bottom wall 421 and the protrusion 454 protrudes backward from the left end of the holding wall 451. The direction is opposite to the installation direction of the grounding shrapnel 5 at the front end of the first housing 41, and the grounding shrapnel 5 at the front end of the second housing 42 is first installed from front to back, so that the vertical portion 522 passes between the holding protrusions 45 space 46, and then move the grounding shrapnel 5 horizontally to the right as a whole. The protruding part 452 is accommodated in the clamping space 5210, so that the vertical part 522 of the grounding shrapnel 5 is clamped between the stop wall 453 and the protrusion. Between the blocks 454, to limit the movement of the grounding shrapnel 5 left and right, the right side of the second extension wall 422 is provided with a semicircular second groove 423 sunken downwards, and the outside of the left end of the second extension wall 422 is provided with a Another lug 47 protrudes outward, and the lug 47 is provided with a through hole 471 passing through front and back.

The first shell 41 and the second shell 42 are assembled together up and down, the shielding shell 3 is clamped at the front end of the metal shell 4, and both sides of the mounting part 32 of the shielding shell 3 are accommodated in the metal shell 4 The retaining groove 441 at the front end and leans against the abutting wall 43 of the metal shell 4 backwards to limit the movement of the shielding shell 3 back and forth. The first groove 413 and the second groove 423 jointly form a channel groove 48 , the cables connected to the conductive terminals 2 in the insulating body 1 extend out of the metal shell 4 from the channel slot 48 .

The front end of the metal shell 4 of the electrical connector 100 of the present utility model is provided with a holding convex portion 45 extending up and down, the left and right sides of the holding convex portion 45 are provided with a space 46, and the grounding elastic piece 5 is provided with an engaging portion 52. The engaging part 52 first passes through the space 46 from front to back and then moves along the left and right directions to be clamped on the holding convex part 45. The grounding elastic piece 5 can be easily removed from the metal by moving in the opposite direction. Remove the case 4.

The above is only a specific embodiment of the present utility model, and any other improvements made on the premise of the concept of the present utility model are regarded as the protection scope of the present utility model.

Claims (10)

1. electric connector; It comprises metal shell, be assembled in Plug Division on the metal shell, be contained in the plurality of conductive terminals in the Plug Division and be installed on the grounding elastic part of metal shell front end in order to conflict with butt connector; It is characterized in that: said metal shell front end is provided with some protuberances that hold; Said grounding elastic part is provided with and is held in the holding section that holds on the protuberance, and said metal shell also is provided with adjacent two and holds the clearance space that passes from front to back for the holding section between the protuberance.

2. electric connector as claimed in claim 1 is characterized in that: said holding section is passed behind the clearance space along left and right directions along fore-and-aft direction again and is moved the back and be held in and hold on the protuberance.

3. electric connector as claimed in claim 1; It is characterized in that: the said protuberance that holds comprises holding wall and the protuberance that protrudes out along the vertical direction from the holding wall middle part; Said grounding elastic part also comprises main part; Said holding section comprises that the horizontally extending backward horizontal part of autonomous body upper and lower side reaches from the horizontal part rear end vertically extending in opposite directions vertical portion, the said protuberance of said horizontal part clamping.

4. electric connector as claimed in claim 3 is characterized in that: the said protuberance that holds also comprises block wall that extends back from holding wall one end and the projection that protrudes out backward from the other end, and the vertical portion of said holding section is positioned between block wall and the projection.

5. electric connector as claimed in claim 3; It is characterized in that: said grounding elastic part main part is provided with pre-and post perforative some grooves; Said groove is divided into main part several catch and connects the some braces between the adjacent catch, and said holding section extends back from the catch upper and lower side.

6. electric connector as claimed in claim 5 is characterized in that: said grounding elastic part also comprises the abutting part that before catch one side direction, extends with the conflict butt connector.

7. electric connector as claimed in claim 6; It is characterized in that: said metal shell comprises first shell and second shell; Said first shell comprises roof, and said second shell comprises diapire, and said roof and diapire front end are equipped with the assembly wall that extends forward; The said protuberance that holds is upwards to reach to protrude out downwards from the assembly wall front end to form, and the catch of said grounding elastic part is resisted against the front end of assembly wall backward.

8. electric connector as claimed in claim 7; It is characterized in that: said Plug Division comprises insulating body and is coated on the shielding casing of insulating body; Said shielding casing comprises that the body of cuboid reaches from the body rear end outward extending installation portion all around; Said metal shell assembly wall both sides are provided with the holding slot of depression, and said installation portion is contained in the holding slot.

9. electric connector as claimed in claim 8 is characterized in that: said metal shell is provided with the abutment walls of extending to the inside, and said abutment walls and holding slot are adjacent, and said shielding casing is resisted against on the abutment walls backward.

10. electric connector as claimed in claim 8 is characterized in that: said insulating body rear end is provided with the fixing piece that outwards protrudes out, and said shielding casing rear end is provided with the recessed groove of depression forward, and said fixing piece is contained in the recessed groove.

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