CN2277126Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector which comprises an insulating shell, a plurality of first terminals, and a plurality of second terminals, wherein, one end of the insulating shell is at least connected with a complementary connector, a plurality of first terminal paths and a plurality of second terminal paths are arranged in the shell, one end of the insulating shell, which is connected with the complementary connector, is provided with first extending blocks corresponding to the first terminals and second extending blocks corresponding to the second terminals, and the second extending blocks have short extending distance; the first terminals are arranged in the first terminal paths; the second terminals are arranged in the second terminal paths. The complementary connectors are electrically connected with the second terminals before inserted.

Description

Electric connector

The utility model relates to a kind of electric connector, and it is a kind of universal serial bus connector.

Universal serial bus (Universal Serial Bus) connector is a kind of more novel connector in the computer field, it is designed to dissimilar I/O connector standardsization (for example being installed in the D connector or the MINI-DIN at the computer chassis back side), is a kind of specification of standard.Figure 1 shows that disclosed a kind of I/O connector in the 4th, 516, No. 822 patents of the U.S., this type connector is a kind of old-fashioned connector, and the electro-contact effect between cable and bonder terminal is undesirable.

In order to improve the shortcoming of above-mentioned connector, therefore make as Fig. 2 and connector shown in Figure 3.Wherein, Fig. 2 is a disclosed connector in the 5th, 073, No. 130 patents of the U.S., and Fig. 3 is a disclosed connector in the 5th, 267, No. 882 patents of the U.S..Though this connector of two types improves the shortcoming of above-mentioned connector, yet, the complex structure of these two types of connectors, not only manufacturing is quite difficult with assembling, and also not too convenient at the electrical connection cable and the connector end period of the day from 11 p.m. to 1 a.m.

In addition, in No. the 83310726th, 81300211,81217896, the Taiwan patent application and the U.S. the 5th, 013,262,5,017,156,5,221, device to similar structures in No. 212 patents all has description, but similarly, all there is similar shortcoming in disclosed connector in these patents.

The purpose of this utility model is to provide a kind of and realizes effective electrical connection, meet instructions for use, be easy to the electric connector assembling and repair.

The purpose of this utility model is achieved in that promptly provides a kind of electric connector, and it comprises: an insulation shell, and an end of described housing docks with a complementary connector at least, and described enclosure interior is formed with a plurality of the first terminal passages and second terminal channel; A plurality of the first terminals are housed in the described the first terminal passage; And a plurality of second terminals, be housed in described second terminal channel; Described housing also forms first extension block corresponding with the first terminal on an end of butt joint complementary connector, and second extension block corresponding with second terminal and that extended distance is short, and complementary connector inserts in the operation and is electrically connected with second terminal earlier.

The advantage of the utility model device is, its provide a kind of easy to manufacture, easy to assembly, meet the electric connector that the user requires, and it is safe in utilization, reliability is high.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the connector of the 4th, 516, No. 822 patent disclosures of the U.S.;

Fig. 2 is a disclosed another kind of connector in the 5th, 073, No. 130 patents of the U.S.;

Fig. 3 is a disclosed another kind of connector in the 5th, 267, No. 882 patents of the U.S.;

Fig. 4 is the three-dimensional exploded view of the utility model electric connector;

Fig. 5 A is the stereogram of the utility model electric connector insulation shell;

Fig. 5 B is the stereogram of another angle of the utility model electric connector insulation shell;

Fig. 5 C is the stereogram of another angle of the utility model electric connector insulation shell;

Fig. 6 A is the stereogram of the utility model electric connector terminal;

Fig. 6 B is the stereogram of the utility model electric connector terminal and strip;

Fig. 6 C is the stereogram of another embodiment of the utility model electric connector terminal;

Fig. 6 D is the stereogram of another embodiment of the utility model electric connector terminal;

Fig. 7 A is the stereogram that masking device first enclosing cover that covers the utility model electric connector is not fixed cable;

Fig. 7 B is the stereogram of masking device first enclosing cover when fixing cable that covers the utility model electric connector;

Fig. 8 A is the stereogram that covers masking device second enclosing cover of the utility model electric connector;

Fig. 8 B is the stereogram that covers masking device second another angle of enclosing cover of the utility model electric connector;

Fig. 9 A is the stereogram of the utility model electric connector and its masking device assembling phase I;

Fig. 9 B is the stereogram of the utility model electric connector and its masking device assembling second stage;

Fig. 9 C is the stereogram of the utility model electric connector and its masking device assembling phase III;

Fig. 9 D is the stereogram that the utility model electric connector and the assembling of its masking device are finished;

Figure 10 is the assembling stereogram of the utility model electric connector and its another angle of masking device.

See also Fig. 4, it is the three-dimensional exploded view of the utility model electric connector and its masking device.Wherein this electric connector 1 comprises that one slightly is microscler insulation shell 10, a pair of the first terminal 30 as the signal terminal use, and a pair of second terminal 40 that uses short on development length (back detailed description) as power supply terminal.This masking device has first enclosing cover 50 of a round hole by a mid portion, and one slightly is the second microscler enclosing cover 70 and constitutes.In addition, this is installed on the two relative side of insulation shell 10 mode of the first terminal 30 (or second terminal 40) with symmetric arrays, and this cable 2 is inserted in the direction of arrow A.

Please consult Fig. 5 A, Fig. 5 B and Fig. 5 C simultaneously, it is the stereogram of the insulation shell different angles of the utility model electric connector.Wherein, the two relative side 11,12 of this insulation shell 10 end on longitudinally is separated by a median wall 13, forms the structure that is mutually symmetrical; This side 11 (12) go up form one along longitudinally from extend internally first space 14 of a segment distance of the front surface 29 of the housing 10 that insulate, an and next-door neighbour first space 14, along longitudinally from extend internally second space 15 of a longer distance of front surface 29, this first space 14 and second space 15 are done part by a projection 16 that extends a segment distance on longitudinally and are separated, form tandem open space on the longitudinally, not only be easy to this first terminal 30 and second terminal 40 are assembled on the insulation shell 10, also can promote the convenience (back is described in detail) that this first terminal 30 (or second terminal 40) is electrically connected with coaxial line 3 (not shown) of cable 2, and this first space 14 also inwardly forms one and extends through to the first terminal passage 17 of insulation shell 10 rear surfaces 23, and this second space 15 inwardly forms one and extends through to the rear surface 23 second terminal channel 18.In addition, at these median wall 13 places of next-door neighbour, the both sides in this first space 14 and second space 15, also outwards form a guide groove 19 respectively, this guide groove 19 not only can be guided inserting of this first terminal 30 and second terminal 40, also can limit this first terminal 30 and second terminal 40 perpendicular to moving on the longitudinally, these restrictions are to finish with a suitable size fit system.In addition, the other end of close rear surface 23 on these side 11 longitudinallies, on middle body, form one along extend internally from housing 10 rear surfaces 23 of the insulating draw-in groove 20 of a segment distance of longitudinally, this side 11 forms an oblique angle portion 21 of tilting with 11 one-tenth one fixed angles in side respectively on its lateral margin, this two oblique angles portion 21 is the structures that are mutually symmetrical, and both extend internally on longitudinally and end at a stopping surface 22.The structure of this draw-in groove 20, oblique angle portion 21 and stopping surface 22 can match with the structure of second enclosing cover 70, sees aftermentioned for details as for its fit system.Hence one can see that, and this two sides 11,12 end on longitudinally is the structure that is mutually symmetrical, and near the other end of rear surface 23, is asymmetrical structure on longitudinally.

This first space 14 and the first terminal passage 17, in order to accommodate the first terminal 30 that uses as signal terminal, this second space 15 and second terminal channel 18 are in order to accommodate second terminal 40 that uses as power supply terminal.

This insulation shell 10 forms a room that inwardly concaves 24 on the middle body of rear surface 23, the complementary connector (not shown) of accommodating butt joint is in wherein, and the edge designs of this room 24 on rear surface 23 becomes to have inwardly oblique rake 26, in order to the insertion of complementary connector.In addition, this room 24 forms one and is positioned at central partition wall 25 on the two relative side that is symmetrical in median wall 13, and first extension block 27 and second extension block 28 that are positioned at partition wall 25 both sides.Wherein this partition wall 25 extends internally from the rear surface 23 of the housing 10 that insulate, its development length is identical with the recessed degree of depth of room 24, can separate the first terminal 30 that is positioned at the first terminal passage 17 and second terminal 40 that is positioned at second terminal channel 18 fully, the vibrations when avoiding plugging complementary connector cause the first terminal 30 and second terminal 40 to be in contact with one another to cause short circuit.This first extension block 27 is 23 segment distances that extend internally from the rear surface, prop up the first terminal 30 that is positioned at the first terminal passage 17, this second extension block 28 is 23 distances that extend internally and lack than first extension block, 27 extended distances from the rear surface, prop up second terminal 40 that is positioned at second terminal channel 18.Because the distance that second extension block 28 extends internally is shorter than first extension block 27, therefore when complementary connector inserts, terminal on the complementary connector will touch second terminal 40 that uses as power end earlier, and then touch the first terminal 30 that uses as signal terminal, to meet user's requirement.

See also Fig. 6 A, it is the stereogram of the utility model electric connector terminal first embodiment.Wherein this first terminal 30 or second terminal 40 comprise a base portion 31, and one outwards extend the extension afterbody 32 parallel with base portion 31 through bending twice from base portion 31 1 ends, and this base portion 31 is formed with sectional area gradually narrowing portion 33 decrescence on the zone that connects extension afterbody 32, to be connected this sectional area base portion inequality 31 and to extend afterbody 32.This extends afterbody 32 and form a fixed part 34 on the zone of adjacent base 31, the hangnail of outwards protruding on these fixed part 34 mat both side edges, directly the interference engagement the first terminal passage 17 or second terminal channel 18 are fixed in the first terminal passage 17 (second terminal channel 18) the first terminal 30 (second terminal 40).In addition, these base portion 31 contiguous free ends formation one outwards are bent into first holding parts 35 of arch bridge shape, this base portion 31 is contiguous to be extended afterbodys 32 places and forms one and bend second holding parts 36 that slightly becomes semi-conical in the same way with first holding parts 35, between this first holding parts 35 and second holding parts 36, then form one and be the 3rd holding parts 37 of open space.The coaxial line 3 that has divested the insulation colloid in this cable 2 passes 31 of first holding parts 35 and base portions, when being housed in second holding parts 36, can select that first holding parts 35 or second holding parts 36 are directly crumpled (crimping) realizes being electrically connected with this coaxial line 3, or soldering realizes being electrically connected with this coaxial line 3 in the open space of the 3rd holding parts 37, this directly crumpling or the mode of soldering, can be used to be electrically connected the first terminal 30 (second terminal 40) and coaxial line 3 simultaneously, or select to use wherein a kind of mode earlier, when the bad need of electrical connection effect are repaired, re-using another mode replenishes, because first space 14 and second space 15 on this insulation shell 10 are tandem open space on the longitudinally, so crumpling or all quite convenient during soldering.

The extension afterbody 32 of this first terminal 30 has long development length, matching with the structure of first opening 14 and the first terminal passage 17 on the insulation shell 10, and the free end of the extension afterbody 32 of this first terminal 30 is connected on first extension block 27 in the room 24 of this insulation shell 10; The extension afterbody 32 of this second terminal 40 has short development length, matching with the structure of second opening 15 and second terminal channel 18 on the insulation shell 10, and the free end of the extension afterbody 32 of this second terminal 40 is connected on second extension block 28 in the room 24 of this insulation shell 10.

See also Fig. 6 B, it is the stereogram of the utility model connector terminals and strip.Because the two relative side 11 of this insulation shell 10, have a first terminal 30 and one second terminal 40 on 12 respectively, and this first terminal 30 and second terminal 40 all are that the mode with symmetric arrays is installed in side 11, on 12, therefore in order to install a first terminal 30 and one second terminal 40 simultaneously on side 11 or side 12, this terminal material belt is designed to staggered in twos mode, the terminal material belt of this arrangement mode of mat, all a first terminal 30 and one second terminal 40 can be installed on the insulation shell 10 at every turn, two terminals 30 on a side 11 (or side 12), after 40 installings finish, can go up installing two terminals 30 in addition in 12 (or sides 11) in the another side, 40, and only need twice can be with four terminals 30,40 are installed on the insulation shell 10.

Please consult Fig. 6 C and Fig. 6 D simultaneously, it is the stereogram of the different embodiment of the utility model electric connector terminal.Wherein this base portion 31 ' on form a semi-conical and have second holding parts 36 of lateral margin sharp notch ' (shown in Fig. 6 C, this moment is in the lump with first holding parts 35 ' crumple), or make an arch bridge shape and have first holding parts 35 of lateral margin sharp notch that " (shown in Fig. 6 D), the mode that replaces contact (IDC-Insulation Displacement Contact) with insulation is electrically connected with coaxial line 3 realizations.

Please consult Fig. 7 A and Fig. 7 B simultaneously, it is the stereogram of the first enclosing cover different phase of masking device.Wherein this first enclosing cover 50 includes a flat part that slightly is square 51, one is positioned at the slightly rounded perforate 52 of flat part 51 central authorities, a pair of on flat part 51 two opposite sides edge towards the vertically extending butt plate 53 of a direction, and a pair of first bending plate 55 and second bending plate 56 that on flat part 51 other two opposite sides edge, extends with an angle on the contrary with butt plate 53 bearing of trends, and on the opposite side edges of this flat part 51 respectively at the contiguous fishplate bar 53 that balances or cancel each other, also form the hole clipping 54 of a strip.In addition, this first bending plate 55 also forms with first clamping part 57 that an angle is extended and width is wideer than first bending plate 55 at free end, and this first clamping part 57 forms first buckling parts 58 of extension through bending twice and toward each other respectively on two opposite end edge; This second bending plate 56 also forms with second clamping part 59 that another angle is extended and width is wideer than second bending plate 56 at free end, and this second clamping part 59 forms second buckling parts 60 that extends outward towards different directions each other through bending twice respectively on two opposite end edge.

When cable 2 along the direction of the arrow A in Figure 4, pass the space of 59 of first clamping part 57 and second clamping parts, after passing the perforate 52 arrival precalculated positions of first enclosing cover 50 again, first bending plate 55 and second bending plate 56 are bent in opposite directions, can make this first buckling parts 58 and second buckling parts 60 fasten (shown in Fig. 7 B) mutually, make this first clamping part 57 and second clamping part 59 clamp this cable 2, and this first clamping part 57 and second clamping part 59 can further crumple (not shown), more effective clamping is positioned at the cable 2 of 59 of first clamping part 57 and second clamping parts, this mode that clamps cable 2, not only stability is high, and assembling easily.

Please consult Fig. 8 A and Fig. 8 B simultaneously, it is the stereogram of the second enclosing cover different angles of masking device.Wherein this second enclosing cover 70 forms an alcove 71 that runs through extension on longitudinally, is positioned at inner insulation shell 10 in order to accommodate restriction.On the two relative side of longitudinally one end, extend outward a grab 72 respectively, this grab 72 has a pair of barb that oppositely extends each other, can match with hole clipping 54 structures on first enclosing cover 50.On a side of the longitudinally other end, forming one on the middle body along the holding section 73 of extending on the longitudinally, this holding section 73 is made up of a pair of flat board towards this alcove 71 bendings extension segment distance, can match with draw-in groove 20 structures on the insulation shell 10, by means of the fit structure of holding section 73 with draw-in groove 20, when this second enclosing cover 70 is assembled on the insulation shell 10, not only have guidance function, also can limit this second enclosing cover 70 perpendicular to moving on the longitudinally.In addition, in these 73 both sides, holding section, form an inclined plane part 74 that becomes a fixed angle to be tilted in this side to extend internally on the longitudinally respectively, this inclined plane part 74 extends internally and ends at an abutting part 75.Wherein this inclined plane part 74 matches with stopping surface 22 structures with the dimensional structure of abutting part 75 and the oblique angle portion 21 of insulation shell 10, is positioned at inner insulation shell 10 so that this second enclosing cover 70 is accommodated restriction, and this abutting part 75 is in order to resist this stopping surface 22.In addition, this second enclosing cover 70 also forms a stuck point 76 that outwards protrudes respectively at an end of butt joint complementary connector on two relative side, match with the structure of complementary connector.

Though in the present embodiment, this second enclosing cover 70 has grab 72 structures of a pair of barb that oppositely extends each other and matches with hole clipping 54 structures on first enclosing cover 50, this first enclosing cover 50 is combined with second enclosing cover 70, yet, grab 72 structures on this second enclosing cover 70 not necessarily need just can match with hole clipping 54 by hangnail, and it also can change the dull and stereotyped (not shown) of single extension into, after this extension flat board passes hole clipping 54, dull and stereotyped bending should be extended again, identical effect can be reached.

Please consult Fig. 9 A, Fig. 9 B, Fig. 9 C and Fig. 9 D simultaneously, be the stereogram of the utility model electric connector and its masking device assembling different phase.During assembling, earlier this is installed on the relevant position of insulation shell 10 the first terminal 30 and second terminal 40, again cable 2 (not shown) are passed along the direction of the arrow A in Figure 4 the perforate 52 of first enclosing cover 50, and, make coaxial line 3 (not shown) of cable 2 be electrically connected (shown in Fig. 9 A) with the first terminal 30 and 40 realizations of second terminal in the mode that crumples, soldering or insulation replace contact (IDC).Then, second enclosing cover 70 is installed on the insulation shell 10 along the arrow B direction, this moment since holding section 73 on second enclosing cover 70 and inclined plane part 74 match with draw-in groove 20 and oblique angle portion 21 on the insulation shell 10, therefore whole assembling process is because guiding function and more smooth and easy, and after the stopping surface 22 that the abutting part on this second enclosing cover 70 75 resists insulation shell 10 is finished combination, insulation shell 10 can be accommodated (shown in Fig. 9 B) in the alcove 71 that is limited in second enclosing cover 70.Then, by means of hole clipping 54 structures on first enclosing cover 50 and grab 72 structures on second enclosing cover 70, first enclosing cover 50 is combined with second enclosing cover 70, become the masking device of electric connector 1, the two relative side of the balance or cancel each other fishplate bar 53 and second enclosing cover 70 on first enclosing cover 50 suppresses at this moment, provides first enclosing cover 50 and second enclosing cover 70 further to fix (shown in Fig. 9 C).At last, first bending plate 55 on first enclosing cover 50 and second bending plate 56 are bent in opposite directions, first buckling parts 58 and second buckling parts 60 are fastened mutually, make this first clamping part 57 and second clamping part 59 clamp cable 2, simultaneously first clamping part 57 and second clamping part 59 are crumpled (not shown), more effectively to clamp cable 2 (shown in Fig. 9 D).

See also Figure 10, it is the utility model electric connector and another angle assembling stereogram of its masking device.Wherein rake 26 structures on these insulation shell 10 rear surfaces 23 make the insertion of complementary connector (not shown) more smooth and easy, and this room 24 limits this complementary connector in order to accommodate.In addition, this partition wall 25 is separated the first terminal 30 and second terminal 40 fully, and first extension block 27 that this development length is different and second extension block 28 can make the complementary connector of insertion touch second terminal 40 that uses as power supply terminal earlier, and the stuck point 76 on this second enclosing cover 70 can match with the structure of complementary connector.

Claims (7)

1, a kind of electric connector is characterized in that, it comprises: an insulation shell, and an end of described housing docks with a complementary connector at least, and described enclosure interior is formed with a plurality of the first terminal passages and second terminal channel; A plurality of the first terminals are housed in the described the first terminal passage; And a plurality of second terminals, be housed in described second terminal channel; Described housing also forms first extension block corresponding with the first terminal on an end of butt joint complementary connector, and second extension block corresponding with second terminal and that extended distance is short, and complementary connector inserts in the operation and is electrically connected with second terminal earlier.

2, electric connector as claimed in claim 1 is characterized in that, also forms on the described housing to be beneficial between terminal and housing assembling and to be beneficial to open space that terminal is electrically connected with cable, that be staggered front to back.

3, electric connector as claimed in claim 2 is characterized in that, the described open space that is staggered front to back is separated at least in part by a projection.

4, electric connector as claimed in claim 1 or 2, it is characterized in that described housing also forms at least one and separates two adjacent terminals, avoids plugging the partition wall that complementary connector causes two abutting end to contact with each other because of vibrations on an end of butt joint complementary connector.

5, electric connector as claimed in claim 1 or 2 is characterized in that, described the first terminal uses as signal terminal, and described second terminal uses as power supply terminal.

6, electric connector as claimed in claim 1 or 2 is characterized in that, described housing also forms a plurality of assemblings that are used to guide terminal, avoids the unnecessary mobile guide groove of terminal.

7, electric connector as claimed in claim 1 or 2 is characterized in that, described housing also forms periphery inwardly oblique, that be beneficial to the complementary connector insertion on an end of butt joint complementary connector.

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