CN201490470U

CN201490470U - Electric connector

Info

Publication number: CN201490470U
Application number: CN2009201535431U
Authority: CN
Inventors: 何宜泽
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2009-07-17
Filing date: 2009-07-17
Publication date: 2010-05-26
Anticipated expiration: 2019-07-17

Abstract

The utility model discloses an electric connector which comprises an insulation body, a plurality of electric conduction terminals arranged in the insulation body, a metal shied piece arranged outside the insulation body in a sheathing way, and a terminal locating piece. The insulation body is provided with two opposite side walls; the terminal locating piece is positioned between the two side walls, and is provided with a base body and a plurality of limiting through holes which are arranged at the base body and correspond to the electric conduction terminals to locate the tail end of each electric conduction terminal; the terminal locating piece is provided with a first limiting part; and the metal shied piece is provided with a first fixedly holding part which is matched with the first limiting part to limit the terminal locating piece. The terminal locating piece is matched with the first fixedly holding part of the metal shielding piece through the first limiting part, so that the stability of the structure for fixedly holding the terminal locating piece is improved, i.e. the locating effect of the electric conduction terminals can be improved.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, particularly has the electric connector of preferable steadiness about a kind of terminal position assurance member.

Background technology

Generally be installed on the electric connector of circuit board,, can utilize terminal position assurance member to wear so that tail end is located usually for the tail end of conducting terminal if the tail end of conducting terminal is longer.Existing terminal position assurance member adopts fixing with the insulating body assembling with the concavo-convex buckle structure that cooperates of insulating body usually.For example No. the 90217730th, TaiWan, China patent application (corresponding Chinese patent application: application number 01267133.9; Corresponding U.S. Patent application US 6,447,307) disclose a kind of electric connector, it comprises insulating body, insulating barrier and is mounted on the interior a plurality of conducting terminals of insulating body.Wherein insulating barrier is terminal position assurance member, the mode of fixing this insulating barrier is for forming docking section and installation portion at the insulating body place, wherein installation portion is provided with a pair of arm, and each arm is provided with stage portion, breach, is positioned at a plurality of grooves of installation portion bottom surface and a plurality of projections that adjacent recess is provided with; And insulating barrier comprises that plate body reaches from the upwardly extending make-up gripping arm of plate body, plate body is provided with the retaining piece that cooperates in order to the groove and the projection of installation portion bottom surface, and stretch out and be placed in extension in the corresponding arm breach, each button gripping arm then is provided with the button piece that stretches out and cooperate with the stage portion of arm, thus, insulating barrier and insulating body winding are fixed.

Mostly existing terminal position assurance member is and the insulating body snap fit, because of insulating body be plastic material compared to the rigidity of metal material a little less than, and general electric connector has the metal shielding casing mostly to avoid electromagnetic interference, if the holding structure that the formation of metal shielding casing that can terminal position assurance member and rigidity is stronger is worked in coordination, then can increase the steadiness of terminal position assurance member package assembly, locating effect for conducting terminal is better, therefore, the package assembly of connector terminals keeper also has the space of improving at present.

Summary of the invention

Therefore, the purpose of this utility model promptly is to provide a kind of terminal position assurance member to have the electric connector of preferable steadiness.

In view of above-mentioned purpose, the utility model provides a kind of electric connector, and it comprises: an insulating body, a plurality of conducting terminal of being located in this insulating body, are sheathed on the outer metal covering of this insulating body, and a terminal position assurance member; This insulating body has two relative sidewalls, and this terminal position assurance member and has a matrix and is located at a plurality of spacing perforation of this matrix and corresponding described conducting terminal between described two sidewalls, to locate the tail end of each described conducting terminal; This terminal position assurance member also has one first limiting section, and this metal covering has one first holding parts that matches with this first limiting section, so that this terminal position assurance member is spacing.

Further, this terminal position assurance member also has two second limiting sections of being located at two short sides of this matrix respectively; This insulating body is respectively equipped with one second holding parts that matches with each described second limiting section in each inside sidewalls.

The beneficial effects of the utility model are: this terminal position assurance member matches with first holding parts of this metal covering by this first limiting section and is spacing, because of the metal covering has preferable rigidity, so the steadiness of the structure of this terminal position assurance member of fixing is increased, can increase the locating effect of described conducting terminal.

Description of drawings

Fig. 1 is a three-dimensional exploded view, and the preferred embodiment of the utility model electric connector is described;

Fig. 2 is another angular views of Fig. 1, and wherein a circuit board is removed;

Fig. 3 is the unit assembly drawing of Fig. 2 and is another angular views;

Fig. 4 is the constitutional diagram of Fig. 3;

Fig. 5 is the constitutional diagram of Fig. 1; And

Fig. 6 is the rearview of Fig. 5.

Wherein, description of reference numerals is as follows:

Base portion before 1 insulating body 11

111 slots, 112 terminal grooves

12 sidewalls, 13 second holding parts

2 conducting terminals, 21 tail ends

3 metal coverings, 31 upper shells

311 first base portions, 312 sidewalls

32 lower houses, 321 second base portions

322 sidewalls, 33 first holding parts

4 terminal position assurance member, 41 matrixes

411 end faces, 412 bottom surfaces

The 42 spacing perforation of 413 short sides

43 first limiting sections, 44 second limiting sections

441 raised lines, 442 projections

5 circuit boards

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, in a following cooperation DETAILED DESCRIPTION OF THE PREFERRED with reference to the accompanying drawings, can clearly present.

Consult Fig. 1 to Fig. 4, a preferred embodiment of the utility model electric connector comprises: an insulating body 1, a plurality of conducting terminal 2, a metal covering 3 and a terminal position assurance member 4.Two relative sidewalls 12 that insulating body 1 has a preceding base portion 11 and extended by preceding base portion 11 backward.Preceding base portion 11 has a slot 111 and a plurality of terminal groove 112.Each conducting terminal 2 is fixedly arranged in the terminal groove 112, the tail end 21 of each conducting terminal 2, and promptly welding section protrudes out terminal groove 112.In the present embodiment, metal covering 3 comprises a upper shell 31 and a lower house 32, upper shell 31 has one first base portion 311 and two relative sidewalls 312, lower house 32 has one second base portion 321 and two relative sidewalls 322, upper shell 31 and lower house 32 make up relatively, by two groups of relative sidewalls, 312,322 snap fit, and be sheathed on outside the insulating body 1.Terminal position assurance member 4 is between two sidewalls 12 of insulating body 1, and have a matrix 41 and be located at the also a plurality of spacing perforation 42 of corresponding described conducting terminal 2 of matrix 41, use tail end 21 to wear, with the tail end 21 of locating each conducting terminal 2 for each conducting terminal 2.Matrix 41 has the bottom surface 412 that an end face 411 and is positioned at end face 411 opposition sides, and end face 411 is the inserting side that described conducting terminal 2 inserts described spacing perforation 42.

Terminal position assurance member 4 also has one first limiting section 43 and two second limiting sections 44 of being located at two short sides 413 of matrix 41 respectively.First limiting section 43 is slightly contracted toward in by a side projection and the two ends of the adjacent metal covering 3 of the bottom surface 412 of matrix 41.Each second limiting section 44 is respectively by a short side 413 projectioies of matrix 41, and each second limiting section 44 has a raised line 441 that is laterally protruded out by a short side 413 and adjacent end face 411 places of matrix 41, and each described raised line 441 two ends is convexly equipped with respectively that 442, two projections 442 of a projection are positioned at raised line 441 two ends and by the vertical projection of raised line 441 and end face 411 copline sides.In addition, metal covering 3 has one first holding parts 33 that matches with first limiting section 43, first holding parts 33 is in a side of the adjacent matrix 41 of metal covering 3 (second base portion 321 of lower house 32) and colludes shape relatively, thereby collude the two ends of holding first limiting section 43, so that terminal position assurance member 4 is spacing at fore-and-aft direction.Insulating body 1 then is respectively equipped with one second holding parts 13 that matches with each second limiting section 44 in each sidewall 12 inboard, each second holding parts 13 is for the draw-in groove (consulting Fig. 6) of each second limiting section 44 that can ccontaining correspondence, so that terminal position assurance member 4 is spacing at above-below direction.

During assembling, each conducting terminal 2 is inserted terminal groove 112 internal fixation corresponding in the insulating body 1, load onto terminal position assurance member 4 by conducting terminal 2 tail ends 21, make second limiting section 44 be placed in second holding parts 13 of insulating body 1, metal covering 3 is installed on the insulating body 1, make the upper shell 31 of metal covering 3 and lower house 32 relative snap fit on insulating body 1, make first holding parts 33 on the lower house 32 collude the two ends of holding first limiting section 43; And with this structure, metal covering 3 also can be assembled on the insulating body 1 earlier, at last terminal position assurance member is gone into for 4 groups, can make second limiting section 44 be placed in second holding parts 13 of insulating body 1 simultaneously and first holding parts 33 of first limiting section 43 and metal covering 3 is colluded hold fixing.

Consult Fig. 5 and Fig. 6, the electric connector of present embodiment is suitable for being installed on the circuit board 5, metal covering 3 and conducting terminal 2 are fixed in circuit board 5 and form with circuit board 5 by welding and is electrically connected, wherein, metal covering 3 is electrically connected with the earthed circuit formation of circuit board 5.

In sum, first limiting section 43 that electric connector of the present utility model forms second holding parts 33 and terminal position assurance member 4 by the preferable metal covering of the rigidity 3 incompatible fixing terminal position assurance member 4 that matches, especially spacing at fore-and-aft direction (directions of vertical conduction terminal 2 tail ends 21), can make the holding structure of terminal position assurance member 4 more firm, second holding parts 13 of adding insulating body 1 matches with second limiting section 44 of terminal position assurance member 4, restriction terminal position assurance member 4 is in the displacement of above-below direction, can have better terminal position effect, with the stability of guaranteeing that conducting terminal 2 and circuit board 5 signals transmit, so can reach the purpose of this utility model really.

Above said content only is a preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, every simple equivalent of being done according to claims scope of the present utility model and utility model description changes and modifies, and all belongs in the scope that the utility model patent contained.

Claims

1. electric connector comprises: an insulating body, a plurality of conducting terminal of being located in this insulating body, are sheathed on the outer metal covering of this insulating body, and a terminal position assurance member; This insulating body has two relative sidewalls, and this terminal position assurance member and has a matrix and is located at a plurality of spacing perforation of this matrix and corresponding described conducting terminal between described two sidewalls, to locate the tail end of each described conducting terminal; It is characterized in that: this terminal position assurance member also has one first limiting section, and this metal covering has one first holding parts that matches with this first limiting section, so that this terminal position assurance member is spacing.

2. electric connector according to claim 1, it is characterized in that, this first limiting section is by a side projection of adjacent this metal covering of this matrix, and this first holding parts is in a side of adjacent this matrix of this metal covering and colludes shape relatively, to collude the two ends of holding this first limiting section.

3. electric connector according to claim 1 and 2 is characterized in that, this terminal position assurance member also has two second limiting sections of being located at two short sides of this matrix respectively; This insulating body is respectively equipped with one second holding parts that matches with each described second limiting section in each inside sidewalls.

4. electric connector according to claim 3 is characterized in that, each described second limiting section is respectively by a short side projection of this matrix; The draw-in groove of each described second limiting section that each described second holding parts is ccontaining correspondence.

5. electric connector according to claim 4, it is characterized in that, this matrix has the bottom surface that an end face and is positioned at this end face opposition side, and this end face is the inserting side that described conducting terminal inserts described spacing perforation, and this first limiting section is contracted toward in by this bottom surface projection and two ends.

6. electric connector according to claim 5 is characterized in that, each described second limiting section has a raised line that is laterally protruded out by a short side and adjacent this end face place of this matrix.

7. electric connector according to claim 6 is characterized in that, each described raised line two ends is convexly equipped with a projection respectively.