CN208352561U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, it is with insulating body, conductive terminal and cable that is mechanical with conductive terminal and being electrically connected, the insulating body has the terminal groove for penetrating through setting along the longitudinal direction, the conductive terminal assembles and is fixed on terminal groove, the conductive terminal has main part, a pair of of contact arm on front side of main part and the extension on rear side of main part, the main part includes a pair of sidewalls being oppositely arranged and the roof that the top of a pair of sidewalls is connected, the pair of contact arm extends to form forward from the side wall front end of respective side respectively, the extension is in contraction-like from front to back, the conductive terminal, which also has from the rear end of extension, continues the receiving portion for extending back and being annularly arranged, the cable is packed into from back to front in the receiving portion.The cable of the utility model electric connector is inserted into from back to front in the receiving portion of conductive terminal, without traditional riveting technique, and is suitable for inserting the thicker cable of line footpath.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector more particularly to a kind of it is adapted to the electric connector compared with thick line cable.

Background technique

Electric connector needs for its conductive terminal to be connected with cable with the electric connection for realizing it with external electronic device, passes The caulking part of system conductive terminal rear end is in U-shape before cable loading, after cable is packed into the caulking part along short transverse, then Two riveting pieces of caulking part are bent in opposite directions so that it is crimped on outside the conductor of cable, and the riveting of the conductive terminal of such structure The bearing space of socket part is relatively narrow, is unsuitable for riveting line footpath thicker cable or multi-strand cable.

In view of this, it is necessary to existing electric connector be improved, to solve the above problems.

Utility model content

The electric connector that the purpose of this utility model is to provide a kind of suitable for accepting the thicker cable of line footpath.

To realize above-mentioned purpose of utility model, the utility model provides a kind of electric connector, with insulating body, leads Electric terminal and cable that is mechanical with conductive terminal and being electrically connected, the insulating body have the end for penetrating through setting along the longitudinal direction Pilot trench, the conductive terminal assemble and are fixed on the terminal groove, and the conductive terminal has main part, is located on front side of main part A pair of of contact arm and the extension on rear side of main part, the main part include a pair of sidewalls being oppositely arranged and will be described The connected roof in the top of a pair of sidewalls, the pair of contact arm extend to form forward from the side wall front end of respective side respectively, institute State extension from front to back and be in contraction-like, also there is the rear end from the extension to continue to extend back and be in for the conductive terminal The receiving portion of ring-type setting, the cable are packed into from back to front in the receiving portion.

The diameter of the receiving portion is latter with loading before cable loading as a further improvement of the utility model, It causes.

As a further improvement of the utility model, the receiving portion have at least two arc valve bodies independent of each other and The fluting being formed between adjacent petals body, all at least part-structure is located at each of adjacent described valve body of two of them The same side of the vertical median plane of the conductive terminal.

The adjacent two valve bodies are respectively equipped with the card of projection toward each other as a further improvement of the utility model, Pawl and the groove for accommodating other side's claw.

The extension is arranged in pairs as a further improvement of the utility model, and respectively from corresponding side wall backward It extends to form.

The rear end of the extension from the side wall and roof extends back shape as a further improvement of the utility model, At, and with several Extendible flakes independent of each other and the short slot being formed between adjacent Extendible flake, each valve body of the receiving portion It extends back from the rear end of corresponding Extendible flake, is located at the valve body of two sides and positioned at the valve body of upside to be formed.

The valve body positioned at two sides is with the valve body positioned at upside in institute as a further improvement of the utility model, The length stated in the circumferential direction of receiving portion is different.

It is described as a further improvement of the utility model, that the first fluting, position are formed between the valve body of two sides The second fluting is formed between the valve body of upside valve body adjacent thereto, the opening size of first fluting is opened than second The opening size of slot is big.

The rear end of the extension from the side wall and roof extends back shape as a further improvement of the utility model, At the gapless structure that Open Side Down, the rear end of the receiving portion from the extension extends back and C-shaped.

The electric connector also has the set being sheathed on outside the receiving portion as a further improvement of the utility model, Cylinder, the sleeve are limited in along the longitudinal direction between at least a pair of of the limiting section being arranged on the outside of the receiving portion.

The conductive terminal of the utility model electric connector is formed the receiving portion of annular before cable loading, and cable is certainly After be forwardly inserted in its accommodating space, without traditional riveting technique, and be suitable for inserting the thicker cable of line footpath.

Detailed description of the invention

Fig. 1 is the three-dimensional assembly diagram of the utility model electric connector.

Fig. 2 is the view at another visual angle of electric connector shown in Fig. 1.

Fig. 3 is the stereogram exploded view of the first embodiment of electric connector shown in Fig. 1.

Fig. 4 is the optical cable after electric connector shown in Fig. 3 removes insulating body.

Fig. 5 is the stereogram exploded view of conductive terminal and sleeve in Fig. 4.

Fig. 6 is conductive terminal and the side view after sleeve assembling in Fig. 5.

Fig. 7 is conductive terminal and the rearview after sleeve assembling in Fig. 5.

Fig. 8 is the cross-sectional view along Fig. 1 middle line A-A.

Fig. 9 is the three-dimensional assembly diagram of conductive terminal and sleeve in the second embodiment of the utility model electric connector.

Figure 10 is the view at another visual angle of conductive terminal in Fig. 9.

Figure 11 is the side view of conductive terminal shown in Figure 10.

Figure 12 is the rearview of conductive terminal shown in Figure 10.

Figure 13 is the three-dimensional assembly diagram of conductive terminal and sleeve in the 3rd embodiment of the utility model electric connector.

Figure 14 is the stereoscopic schematic diagram of conductive terminal in Figure 13.

Figure 15 is the side view of conductive terminal in Figure 14.

Figure 16 is the rearview of conductive terminal in Figure 14.

Figure 17 is the three-dimensional assembly diagram of conductive terminal and cable in the fourth embodiment of the utility model electric connector.

Figure 18 is the view at another visual angle of conductive terminal in Figure 17.

Figure 19 is the side view of conductive terminal in Figure 18.

Figure 20 is the rearview of conductive terminal in Figure 18.

Specific embodiment

In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied The utility model is described in detail in example.

It please join the electric connector 100 that Fig. 1 to Fig. 2 show the utility model, the electric connector 100 has insulating body 11, conductive terminal 12 and cable 13 that is mechanical with conductive terminal 12 and being electrically connected, the insulating body 11 have along front and back To the terminal groove 110 of perforation setting, the conductive terminal 12 is assembled and fixed in the terminal groove 110.

It please join the first embodiment that Fig. 3 to Fig. 8 show the utility model electric connector 100, in conjunction with shown in Fig. 1 and Fig. 2, In the present embodiment, the insulating body 11 includes base portion 111, from the docking section that base portion 111 extends forward 112 and from base portion The mounting portion 113 that the outside projection in 111 two sides is formed, the mounting portion 113 have a pair of of the mounting hole 1131 being oppositely arranged.? In the embodiment that the utility model is shown, there is a pair terminal arranged side by side in transverse direction with insulating body 11 It is introduced, but is not limited thereto for slot 110.

The upper wall of the base portion 111 is formed its perforative a pair of of location hole 1112, the location hole 1112 along short transverse It is connected with corresponding terminal groove 110.The insulating body 11 also has several limits for the extension that is recessed forward from its rear end Slot 114 and several containers 115, each terminal groove 110 are correspondingly arranged and are connected with a pair of of limiting slot 114, the limiting slot 114 be the rectangular configuration of strip；Meanwhile each terminal groove 110 is also connected with a pair of of container 115, the container 115 Inner wall it is arc-shaped, and the length that extends forward of the limiting slot 114 is greater than the length that the container 115 extends forward Degree.Specifically, the limiting slot 114 extends forward so that its front end is located at the front end face front side of the mounting portion 113, the receipts The front end of tank 115 is located on rear side of the rear end face of the mounting portion 113.

The base portion 111 also has several flanks 1113 for being set to its bottom, the flank 1113 and the location hole 1112 are placed in the two sides of the base portion 111 in the height direction, and the flank 1113 and the limiting slot 114 correspond Setting, each flank 1113 is in long strip, extends forwardly into and the mounting portion 113 from the rear end face of base portion 111 Rear end face is concordant.Further, each flank 1113 is located at corresponding 114 downside of limiting slot, and with it along short transverse Alignment, in this way, the structural strength of the bottom wall to guarantee base portion 111.

It please join shown in Fig. 3 to Fig. 8, in the present embodiment, the quantity of the conductive terminal 12 is two, in other embodiments In, the quantity of the conductive terminal 12 can also be one or other quantity.Each conductive terminal 12 has main part 121, a pair of of contact arm 122 positioned at 121 front side of main part and the extension 123 positioned at 121 rear side of main part, the main part 121 include a pair of sidewalls 1211 for being oppositely arranged and roof 1212 that the top of the pair of side wall 1211 is connected, so with Make the main part 121 in the U-shaped structure that Open Side Down.The top of the main part 121, which is additionally provided with, protrudes from its roof 1212 Buckling parts 1213, inclination extends the buckling parts 1213 backward and upwards, and its front end is connected with the roof 1212, rear end For free end.

The pair of contact arm 122 extends to form forward from 1211 front end of the side wall of respective side respectively, and the pair of 122 mirror symmetry of contact arm is set to the vertical median plane two sides of the conductive terminal 12.Each contact arm 122 has edge Short transverse a pair of of contact chip 1221 arranged side by side has between first in the height direction between the pair of contact chip 1221 Separate slot 1227, each contact chip 1221 have along short transverse three sheet bodies 1223 arranged side by side and are formed in adjacent pellets The second interval trough 1228 between 1223, three sheet bodies 1223 are by 1221 equal part of contact chip, and described first is spaced Slot 1227 is identical as the size of the second interval trough 1228 in the height direction.

In addition, each contact arm 122 has the first contact portion 1224 and the second contact portion 1225 positioned at its front, The elastic arm 1226 that the contact arm 122 is arranged by the rear part is connected with the main part 121, first contact portion 1224 Positioned at 1225 front of the second contact portion, and second interval trough 1228 extends beyond forward first contact portion 1224。

The extension 123 is from front to back in contraction-like, and in the present embodiment, the extension 123 is from the side wall 1211 and the rear end of roof 1212 extend rearwardly to form, and there are several Extendible flakes 1231 independent of each other and be formed in adjacent prolong Stretch the short slot 1232 between piece 1231.In the present embodiment, the quantity of the Extendible flake 1231 is three, the quantity of short slot 1232 It also is three, wherein the rear end positioned at the Extendible flake 1231 from the roof 1212 of upside rearwardly and down tilts extension, Positioned at two sides the Extendible flake 1231 from the rear end of corresponding side wall 1211 backward and towards the conductive terminal 12 it is vertical in The direction that heart face is drawn close extends.

The conductive terminal 12, which also has from the rear end of the extension 123, continues the receipts for extending back and being annularly arranged Appearance portion 124, the cable 13 are packed into from back to front in the receiving portion 124, and the diameter of the receiving portion 124 is in cable 13 It is consistent before loading with after being packed into.

The receiving portion 124 have at least two arc valve bodies 1241 independent of each other and be formed in adjacent petals body 1241 it Between fluting 1242, all at least part-structure is located at the conduction to each of adjacent described valve body 1241 of two of them The same side of the vertical median plane of terminal 12.

Specifically, in the present embodiment, the tool of receiving portion 124 there are three the valve body 1241 independent of each other and is formed Three flutings 1242 between adjacent petals body 1241, the certainly corresponding Extendible flake of each valve body 1241 of the receiving portion 124 1231 rear end extends back, and is located at the valve body 1241 of two sides and positioned at the valve body 1241 of upside to be formed.Wherein, Left-half positioned at the valve body 1241 of upside and the valve body 1241 positioned at left side are located at the left side of the vertical median plane, Right half part positioned at the valve body 1241 of upside and the valve body 1241 positioned at right side are located at the right side of the vertical median plane.

Further, the valve body 1241 positioned at two sides is with the valve body 1241 positioned at upside in the receiving portion Length in 124 circumferential direction is different, and is located at circumferential direction of the valve body 1241 along the receiving portion 124 of upside On length it is smaller than length of the valve body 1241 in the circumferential direction for being located at two sides.In the present embodiment, the receipts Appearance portion 124 is in using its vertical median plane as the symmetrical structure of axis, and the valve body 1241 positioned at two sides is along the circumferential direction On length it is identical, so to provide good support force to cable 13 from the two sides in transverse direction.

It is described that the first fluting 1243, the valve body 1241 positioned at upside are formed between the valve body 1241 of two sides The second fluting 1244 is formed between valve body 1241 adjacent thereto, the opening size of first fluting 1243 is than the second fluting 1244 opening size is big, meanwhile, length of the valve body 1241 in the circumferential direction of the receiving portion 124 positioned at upside It is bigger than length of second fluting 1244 in the circumferential direction of the receiving portion 124, but than first fluting 1243 Length in the circumferential direction of the receiving portion 124 is small.

In the present embodiment, the electric connector 100 also has the sleeve 14 being sheathed on outside the receiving portion 124, described Sleeve 14 is limited in along the longitudinal direction between at least a pair of of the limiting section 1245 being arranged on the outside of the receiving portion 124.It is the pair of The setting of limiting section mirror symmetry is illustrated with being located at the limiting section 1245 of rear side, and the limiting section 1245 is convex closure formula Structure is formed from the outwardly projection of the matrix 1240 of the receiving portion 124, and the outside projection of the limiting section 1245 Height be gradually increased on direction from back to front so that the height that stretches out of its front end is maximum, rear end and receiving portion 124 The flush with outer surface of matrix 1240.

In the present embodiment, the sleeve 14 is made of metal material, and internal diameter is omited than the outer diameter of the receiving portion 124 Greatly, the crimp strength of the receiving portion 124 can be effectively increased.When assembling, the sleeve 14 is sheathed on the receiving from back to front Outside portion 124, the cable 13 is packed into from back to front in the receiving portion 124, and the conductive terminal 12 is inserted into correspondence from back to front Terminal groove 110 in, the side wall 1211 is aligned and inserted into corresponding limiting slot 114 with corresponding limiting slot 114, and along this 114 forward slip of limiting slot, until buckling parts 1213 is locked in the location hole 1112.

Please join shown in Fig. 9 to Figure 12, in the second embodiment of the utility model electric connector, the electric connector it is exhausted Edge ontology and cable are identical with first embodiment, and the main part 221 of the conductive terminal 22 of the electric connector and contact Arm 222 is also identical with first embodiment, and details are not described herein, below mainly to be said in place of the difference of two embodiments It is bright.

The main part 221 of the conductive terminal 22 includes a pair of sidewalls 2211 for being oppositely arranged and by the pair of side wall The connected roof 2212 in 2211 top, the extension 223 of the conductive terminal 22 is from the side wall 2211 and roof 2212 Rear end integrally extends back, and forms the gapless structure that Open Side Down, further, the extension 223 only with it is described The upper section of 2211 rear side of side wall is connected.The receiving portion 224 of the conductive terminal 22 from the rear end of the extension 223 integrally to Extend afterwards and C-shaped.

Further, the receiving portion 224 includes a pair positioned at the semicircle matrix part 2241 of upside and positioned at downside Arc-shaped curvature portion 2242, a pair of bending section 2242 is inwardly and downwardly bent from the correspondence lateral margin of matrix part 2241 respectively prolongs It stretches, and interval forms a notch 2243 extended along the longitudinal direction between the free terminal to bending section 2242.Such as Figure 11 institute Show, the bending section 2242 is exposed to the downside of the extension 223.

Similarly with first embodiment, the sleeve 24 of metal material is arranged with outside the receiving portion 224, also to increase receiving The crimp strength in portion 224, and then guarantee reliably to be electrically connected between cable.

It please join shown in Figure 13 to Figure 16, in the 3rd embodiment of the utility model electric connector, the electric connector Insulating body, casing and cable are identical with first embodiment, and the main part 321 of the conductive terminal 32 of the electric connector And contact arm 322 is also identical with first embodiment, details are not described herein, and difference is: the extension of the conductive terminal 32 323 are arranged in pairs, and extend rearwardly to form respectively from corresponding side wall 3211, and the receiving portion 324 of the conductive terminal 32 is upper Lower symmetrical structure.Specifically, the receiving portion 324 has two adjacent valve bodies 3241, and two valve bodies 3241 are distinguished Positioned at the left and right sides of receiving portion 324, and bending setting toward each other.

Meanwhile two valve bodies 3241 are respectively equipped with the claw 3243 and receiving other side's claw 3243 of projection toward each other Groove 3244.In the present embodiment, each valve body 3241 has a pair of claw 3243 and a pair of of groove 3244, That is, each valve body 3241 is including matrix 3240 and from described matrix 3240 towards a pair of of claw of another 3241 projection of valve body 3243.In other words, each valve body 3241 has a pair of of the buckle structure being oppositely arranged along short transverse, wherein is located at upper The buckle structure of side includes the claw 3243 and groove 3244 positioned at upside, and the buckle structure positioned at downside includes position Claw 3243 and groove 3244 in downside, in this way, making so that the upper and lower sides of the receiving portion 324 are respectively formed reliable connection Its overall structure is stronger.

It please join shown in Figure 14 and Figure 16, each of two described valve bodies 3241 all at least part-structures are positioned at described The same side of the vertical median plane of conductive terminal 32, in the present embodiment, the matrix 3240 of one of valve body 3241 with it is another 3243 projection of claw of a valve body 3241 is located at the same side beyond the part-structure of vertical median plane.It is similar with first embodiment Ground is convexly equipped with a pair of of limiting section 3245 on the outer surface of described matrix 3240, sleeve 34 is positioned at the pair of limiting section Between 3245.

It please join shown in Figure 17 to Figure 20, in the fourth embodiment of the utility model electric connector, the electric connector Insulating body and cable are identical with 3rd embodiment, and main part 421, the contact arm of the conductive terminal 42 of the electric connector 422 and extension 423 it is identical with 3rd embodiment, also repeat no more herein, difference is: in the present embodiment, described The crimp strength of the receiving portion 424 of conductive terminal 42 is enough, therefore on the outside and not set sleeve, the receipts so can be improved The crimping efficiency in appearance portion 424.

Similarly with 3rd embodiment, the extension 423 is also arranged in pairs, and respectively from corresponding side wall 4211 backward It extends to form；The receiving portion 424 is also formula structure symmetrical above and below, with two adjacent valve bodies 4241, two valves Body 4241 is located at the left and right sides of receiving portion 424, and bending setting, two valve bodies 4241 are respectively equipped with toward each other The groove 4244 of the claw 4243 of projection and receiving other side's claw 4243 toward each other.It is different from the third embodiment, two sides The valve body 4241 structure it is different, the upper and lower side of the valve body 4241 of one of them is respectively provided with the claw 4243 are respectively provided with a pair of 4243 He of claw with a pair of groove 4244, the upper and lower side of another valve body 4241 One groove 4244 so realizes more firm occlusion.Meanwhile as shown in figure 20, the end of each claw 4243 End is parallel to the horizontal plane.

In four embodiments that the utility model is shown, the diameter of the receiving portion 124,224,324,424 is online Cable is consistent before being packed into loading later, the accommodating space of annular is formed before cable loading, shape is online Before cable is packed into and after being packed into and indifference, cable is inserted into receiving portion from back to front, without traditional riveting technique, And it is suitable for inserting the thicker cable of line footpath.

Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.

Claims (10)

1. a kind of electric connector, with insulating body, conductive terminal and cable that is mechanical with conductive terminal and being electrically connected, institute Stating insulating body has the terminal groove for penetrating through setting along the longitudinal direction, and the conductive terminal assembles and be fixed on the terminal groove, The conductive terminal has main part, a pair of of contact arm on front side of main part and the extension on rear side of main part, institute State the roof that main part includes a pair of sidewalls being oppositely arranged and the top of the pair of side wall is connected, the pair of contact arm It is extended to form forward from the side wall front end of respective side respectively, the extension is in contraction-like from front to back, it is characterised in that: described Also there is conductive terminal the rear end from the extension to continue the receiving portion for extending back and being annularly arranged, and the cable is after It is packed into forward in the receiving portion.

2. electric connector as described in claim 1, it is characterised in that: the diameter of the receiving portion cable loading before with dress It is consistent after entering.

3. electric connector as described in claim 1, it is characterised in that: the receiving portion has at least two arcs independent of each other Shape valve body and the fluting being formed between adjacent petals body, each of adjacent described valve body of two of them all at least parts Structure is located at the same side of the vertical median plane of the conductive terminal.

4. electric connector as claimed in claim 3, it is characterised in that: the valve body of adjacent two is respectively equipped with toward each other The claw of projection and the groove for accommodating other side's claw.

5. electric connector as claimed in claim 4, it is characterised in that: the extension is arranged in pairs, and respectively from corresponding Side wall extends rearwardly to form.

6. electric connector as claimed in claim 3, it is characterised in that: the extension from the rear end of the side wall and roof to After extend to form, and with several Extendible flakes independent of each other and the short slot that is formed between adjacent Extendible flake, the receiving portion The rear end of each valve body from corresponding Extendible flake extend back, be located at the valve body of two sides and positioned at the valve of upside to be formed Body.

7. electric connector as claimed in claim 6, it is characterised in that: positioned at the valve body of two sides and positioned at described in upside Length of the valve body in the circumferential direction of the receiving portion is different.

8. electric connector as claimed in claim 6, it is characterised in that: described to form first between the valve body of two sides It slots, forms the second fluting, the opening size of first fluting between the valve body adjacent thereto positioned at the valve body of upside Opening size than the second fluting is big.

9. electric connector as claimed in claim 2, it is characterised in that: the extension from the rear end of the side wall and roof to Extend to form the gapless structure that Open Side Down afterwards, the rear end of the receiving portion from the extension extends back and C-shaped.

10. electric connector as in one of claimed in any of claims 1 to 9, it is characterised in that: the electric connector also has set Sleeve outside the receiving portion, the sleeve are limited at least a pair of of the limit being arranged on the outside of the receiving portion along the longitudinal direction Between the portion of position.