CN202930634U - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, including an insulator, an auxiliary body, several conductive terminal and a shell. The insulating body is provided with a base body, a containing groove is formed forwards from the rear end of the base body, the edge of the upper surface of the front end of the containing groove extends backwards to form a boss, a fixing groove is formed in the upper surface of the base body, and two sides of the front end of the fixing groove are respectively provided with a clamping groove downwards; the auxiliary body is provided with an auxiliary base body, the front end of the auxiliary base body transversely extends to form a tongue plate part in a protruding mode, the upper surface of the front end of the tongue plate part is downwards provided with a groove, two sides of the middle part of the upper surface of the tongue plate part are respectively provided with a clamping block in a protruding mode, the boss abuts against the wall of the groove, and the clamping blocks are clamped in the clamping grooves; the shell is coated outside the base body and the tongue body of the insulating body. The utility model discloses a mutual lock between auxiliary body and insulator is fixed, and when the plug, insulator upwarps relatively and rotates with the difficult emergence of auxiliary body to it is more firm to make insulator and auxiliary body cooperation.

Description

electrical connector

technical field

The utility model relates to a connector, in particular to an electric connector with stable assembly.

Background technique

The existing USB connector includes an insulating body, several conductive terminals and a shell. The insulating body has a vertical base plate, and a tongue plate protrudes forward laterally from the front surface of the base plate, and several terminal slots through the base plate are opened on the bottom of the tongue plate; On the main body, the shell and the tongue plate of the insulating body enclose a horizontal insertion space.

However, the above-mentioned existing electrical connectors need a simple and more stable structural fit.

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 fit.

To achieve the above purpose, the utility model provides an electrical connector, which includes an insulating body, an auxiliary body, several conductive terminals and a shell. The insulating body has a base body, the front end of the base body protrudes horizontally with a tongue body in the shape of a horizontal plate, and several terminal grooves are opened on the upper surface of the front end of the tongue body downwards and backwards. The accommodating groove, the front end of the accommodating groove runs upwards through the upper surface of the tongue body, the upper surface edge of the accommodating groove front end extends backward to form a boss, the upper surface of the base body is provided with a holding groove, and the two sides of the front end of the holding groove are respectively provided with a Clamping groove; the auxiliary body has an auxiliary base body, and a horizontal plate-shaped tongue part protrudes laterally from the front end of the auxiliary base body. , the two sides of the middle part of the upper surface of the tongue part are respectively protruded with a holding block. It is accommodated in a terminal slot; the outer casing covers the base and the tongue of the insulating body, and the outer casing and the tongue of the insulating body enclose a horizontal insertion space. the

As mentioned above, the electrical connector of the utility model is pressed against the wall of the groove through the boss, the clamping block is clamped in the clamping groove, and the extension arm is clamped in the extension groove, so that the upper part of the front end of the auxiliary body, The upper side and the lower side of the rear end are fixed on the insulating body. When plugging and unplugging, the insulating body and the auxiliary body are not easy to be upturned and rotated relatively, so that the assembly of the insulating body and the auxiliary body is more stable.

Description of drawings

FIG. 1 is a perspective view of the electrical connector of the present invention.

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

FIG. 3 is an exploded perspective view of the electrical connector shown in FIG. 1 from another angle.

FIG. 4 is a perspective view from another angle of the electrical connector shown in FIG. 1 .

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

Insulation body 10

Base Body 11 Holding Groove 12

Holding slot 112 Protrusion 113

Slotted 114 Extension Arm 115

Tongue 12 Terminal Groove 121

Storage tank 122 Storage tank 13

Boss 14 Auxiliary body 20

Auxiliary base 21 Fixed groove 211

Fastening slot 212 Extension slot 213

Fixing slot 214 card block 215

Tongue plate 22 groove groove 221

Clamping block 222 Conductive terminal 30

Holding part 31 Elastic part 32

Contact part 33 Welding part 34

Holder 40 Fixed part 41

Elastic arm 42 Contact part 43

Housing 50 Top Plate 51

Avoidance groove 511 Holding plate 512

Card slot 513 side panel 52

Retaining arm 521 Base plate 53

Holder 531 Opening 532

Docking space 60.

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 , the electrical connector of the present invention includes an insulating body 10 , an auxiliary body 20 , a plurality of conductive terminals 30 , a holding member 40 and a housing 50 .

Please refer to Figures 2 and 3, the insulating body 10 has a base body 11, the front end of the base body 11 has a horizontal plate-shaped tongue portion 12 protruding laterally, and several terminals are opened on the upper surface of the front end of the tongue portion 12 downwards and backwards. The groove 121 defines an accommodating groove 13 that communicates with the terminal groove 121 forward from the rear end of the base body 11 . Both sides of the upper surface of the tongue part 12 are respectively provided with accommodating grooves 122 extending forward and backward and penetrating through the base body 11. The upper surface edge of the front end of the accommodating groove 13 extends backward to form a boss 14. Both sides of the front end of the groove 111 respectively define a holding groove 112 downwards, and a protrusion 113 protrudes from the middle of the holding groove 111 . Both sides of the base body 11 are respectively provided with slots 114 extending forward and backward, and two sides of the lower end surface of the base body 11 respectively extend backward to form an extension arm 115 .

The auxiliary body 20 has an auxiliary base 21 , and a tongue portion 22 in the shape of a horizontal plate protrudes laterally from the front end of the auxiliary base 21 , and the tongue portion 22 is accommodated in the accommodating groove 13 . Both sides of the front end of the auxiliary base 21 are respectively provided with a fixing groove 211 backward, and the two sides of the auxiliary base 21 are respectively provided with a fastening groove 212 from the front edge to the rear. The extension groove 213 communicated with the fixed groove 211, the middle part of the lower surface of the auxiliary base 21 is provided with a fixed groove 214, and the middle part of the fixed groove 214 is protruded to form a block 215; A clamping block 222 protrudes from both sides of the upper surface of the portion 22 approximately in the middle.

The plurality of conductive terminals 30 are integrally formed with the auxiliary body 20 and are respectively accommodated in a terminal groove 121 . Specifically, the conductive terminal 30 has a strip-shaped holding portion 31 , an elastic portion 32 extending forward from the front end of the holding portion 31 , and an abutting portion 33 formed by bending forward, upward, and downward from the end of the elastic portion 32 . And a welding part 34 extending backward from the rear end of the holding part 31, wherein the rear ends of the holding part 31 of two adjacent conductive terminals 30 extend and short-circuit each other, and then extend the welding part 34 backward, so that the two phases Adjacent terminals 30 share a soldering portion 34 .

The holding member 40 is accommodated in the receiving groove 122 . Each clamping piece 40 has a strip-shaped fixing portion 41, an elastic arm 42 formed by bending upwards and forwards from the fixing portion 41, and a contact portion 43 formed by protruding upwards and forwards from the end of the elastic arm 42. The fixing portion 41 is fixed in the fixing groove 211 .

The shell 50 covers the base 11 and the tongue 12 of the insulating body 10 , and the shell 50 and the tongue 12 of the insulating body 10 enclose a horizontal insertion space 60 (as shown in FIG. 1 ). The housing 50 has a top plate 51, two side plates 52 and a bottom plate 53. There are respectively an avoidance groove 511 extending forward and backward at the two sides of the top plate 51. There is a card slot 513 in the middle of the plate 512, the rear ends of the side plates 52 respectively extend backward to form a holding arm 521, the middle of the rear end of the bottom plate 53 is bent downward and extends backward to form a holding piece 531, and the middle of the holding piece 531 is opened. There is an opening 532 .

Please refer to Fig. 1 to Fig. 3, when assembling the electrical connector of the present utility model, the conductive terminal 30 and the auxiliary body 20 are integrally formed first, specifically, the holding part 31 and the auxiliary body 20 are integrally formed, and the welding part 34 protrudes from the auxiliary body 21 rear end; the clamping part 40 is accommodated in the accommodation groove 122 from the rear of the insulating body 10, and the front end of the elastic arm 42 and the contact part 43 protrude upward from the upper surface of the tongue part 12; the auxiliary body 10 is plugged in from the rear of the insulating body 10 On the insulating body 10, the tongue portion 22 is accommodated in the accommodating groove 13, the conductive terminals 30 are respectively accommodated in a terminal groove 121, and the elastic portion 32 and the abutting portion 33 are accommodated in the terminal groove 121, specifically, The boss 14 abuts against the groove wall of the groove 221, the clamping block 222 is clamped in the clamping groove 112, and the extension arm 115 is clamped in the extension groove 213; Outside the base body 11 and the tongue portion 12, specifically, the holding plate 512 is held in the holding groove 111, the protrusion 113 is held in the holding groove 513, the holding arm 521 is held in the slot 114 and the fastening groove 212, and the holding piece 531 is fixed in the fixing groove 214 , the locking block 215 is locked in the opening 532 , and the contact portion 43 protrudes from the escape groove 511 .

To sum up, the electrical connector of the present invention is pushed against the groove wall of the groove 221 through the boss 14, the clamping block 222 is clamped in the clamping groove 112, and the extension arm 115 is clamped in the extension groove 213, so that Fix the top, both sides of the top and both sides of the bottom of the rear end of the auxiliary body 20 to the insulating body 10. When plugging and unplugging, the insulating body 10 and the auxiliary body 20 are less likely to be upturned and rotated relatively, so that the insulating body 10 Cooperating with the auxiliary body 20 is more stable.

Claims (4)

1. electric connector, it is characterized in that: comprise an insulating body, auxiliary body, several conducting terminals and a shell, insulating body has a matrix, the matrix front end has laterally protruded out tongue body section, tongue body section front end offers the several terminals groove, offer forward a storage tank that mutually connects with terminal groove from the matrix rear end, the storage tank front end upwards runs through tongue body section upper surface, storage tank front end top surface edge extends back and forms a boss, body upper surface offers a holding slot, and holding slot front end both sides offer respectively a support slot downwards; Auxiliary body has a secondary matrix, and the secondary matrix front end has laterally protruded out hyoplastron section, and hyoplastron section is placed in storage tank; Hyoplastron section front end upper surface is to having a groove, and hyoplastron section's upper surface middle part both sides convex with respectively a blocked block, and boss is resisted against on the groove cell wall, and blocked block is fastened in support slot; Several conducting terminals and subsidiary book body by integral forming are contained in respectively in a terminal groove; Shell is coated on outside the matrix and tongue body section of insulating body, and the tongue body section of this shell and insulating body surrounds the grafting space of a level.

2. electric connector as claimed in claim 1 is characterized in that: extend and run through the holding tank of matrix before and after wherein said tongue body section's upper surface both sides offer respectively, electric connector also comprises holding part, and holding part is contained in holding tank from the insulating body rear; Place, secondary matrix front end both sides offers respectively a holddown groove backward, and each holding part has a fixed part, and fixed part is immobilizated in holddown groove.

3. electric connector as claimed in claim 1, it is characterized in that: place, both sides, wherein said matrix lower surface extends back respectively and forms an adjutage, secondary matrix lower surface both sides offer respectively an extension slot backward from front edge, and adjutage is fastened in extension slot.

4. electric connector as claimed in claim 1, it is characterized in that: wherein said shell has a top board, biside plate and a base plate, top board end edge middle part upwards bends backward and extends to form a holding board, the holding board middle part offers a draw-in groove, the biside plate end edge extends back respectively and forms a fixing arm, base plate rear end edge middle part bends backward downwards and extends to form a retaining sheet, offers an opening in the middle part of retaining sheet; The fluting that extends before and after the matrix both sides offer respectively, the secondary matrix both sides offer a fixing slot backward from front edge respectively, secondary matrix lower surface middle part offers a solid groove, form a fixture block Gu the groove middle part is convexly equipped with, convex with a projection in the middle part of holding slot, holding board is immobilizated in holding slot, projection is fastened in draw-in groove, the fixing arm fixing is in fluting and fixing slot, and retaining sheet is immobilizated in solid groove, and fixture block is fastened in opening.

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