Electrical connector

Abstract

The present invention discloses an electrical connector, which is characterized in that it includes: an insulating body is provided with a plugging groove, and the plugging groove is for a docking element to be inserted along the insertion direction. The insulating body is provided with a side wall on one side of the plugging groove. The side wall is provided with a guiding inclined surface, a docking surface connecting the guiding inclined surface, and a plurality of grooves recessed together along the insertion direction from the guiding inclined surface and the docking surface. The guiding inclined surface is provided with a first boundary connecting the docking surface and a second boundary spaced from the first boundary. The groove is provided with an inner bottom surface connected to the guiding inclined surface. A terminal groove extends along the insertion direction from each groove. The terminal groove is provided with an opening located on the inner bottom surface. The inner bottom surface is provided with a first surface on one side of the opening and two second surfaces on opposite sides of the opening. The first surface is provided with a first edge connected to the guiding inclined surface. The opening is provided with a second edge connected to each second surface. When viewed along the insertion direction, the first edge is located between the first boundary and the second boundary, and the second edge intersects with the extension line of the first boundary.

Description

Technical Field

[0001] The present invention relates to an electrical connector, and more particularly to an electrical connector for electrically connecting a first docking element and a second docking element.

Background Art

[0002] In the prior art, there is an electrical connector including an insulating body provided with a plugging slot for a docking element to be inserted along an insertion direction. The insulating body has a side wall on one side of the plugging slot. The side wall is provided with a guiding inclined surface, a docking surface connecting the guiding inclined surface, and a plurality of grooves recessed from the docking surface along the insertion direction. A terminal slot extends from each groove along the insertion direction. The terminal slot has an opening connecting the groove. One end of the opening is directly connected to the guiding inclined surface. The projection of the groove in the insertion direction coincides with the projection of the opening in the insertion direction.

[0003] In the above structure, the following problems exist:

[0004] As Figure 1 shown, in this electrical connector, the projection of the groove in the insertion direction coincides with the projection of the opening in the insertion direction. One end of the opening is directly connected to the guiding inclined surface 121'. The insulating body 1' has a sharp corner jointly formed by the terminal slot and the guiding inclined surface 121'. During the manufacturing process, molten plastic is injected into the cavity formed by the mating of the moving die and the fixed die. The first die insert 401' of the fixed die and the second die insert 501' of the moving die are engaged with each other in the groove and the terminal slot, and the molten plastic solidifies to form a sharp corner. The sharp corner is likely to generate burrs due to insufficient and uneven injection of the molten plastic, and the sharp corner is likely to crack due to stress concentration.

[0005] Therefore, it is necessary to design a new electrical connector to overcome the above problems.

Summary of the Invention

[0006] Aiming at the problems faced by the background art, the creative purpose of the present invention is to provide an electrical connector in which the groove is provided with an inner bottom surface connected to the guiding inclined surface, the terminal slot is provided with an opening located on the inner bottom surface, and the inner bottom surface is provided with a first surface on one side of the opening and two second surfaces on both sides of the opening to avoid the generation of sharp corners on the insulating body, which are likely to generate burrs and cracks, and to facilitate the clamping of the second die insert of the moving die by the first die insert of the fixed die during the manufacturing process, ensuring stable abutment between the first die insert and the second die insert.

[0007] To achieve the above object, the present invention adopts the following technical means:

[0008] An electrical connector, characterized in that it comprises: an insulating body provided with a plugging groove for a docking element to be inserted along an insertion direction; a side wall provided on one side of the plugging groove of the insulating body, the side wall being provided with a guiding inclined surface, a docking surface connecting the guiding inclined surface, and a plurality of grooves recessed jointly from the guiding inclined surface and the docking surface along the insertion direction; the guiding inclined surface being provided with a first boundary connecting the docking surface and a second boundary spaced from the first boundary; the groove being provided with an inner bottom surface connected to the guiding inclined surface, the inner bottom surface being perpendicular to the insertion direction; a terminal groove extending from each groove along the insertion direction, the terminal groove being provided with an opening located on the inner bottom surface, the inner bottom surface being provided with a first surface on one side of the opening and two second surfaces on opposite sides of the opening; the first surface being provided with a first edge connected to the guiding inclined surface, the opening being provided with a second edge connected to each second surface; when viewed along the insertion direction, the first edge is located between the first boundary and the second boundary, and the second edge intersects with an extension line of the first boundary; and a plurality of terminals respectively received in the terminal grooves.

[0009] Furthermore, the first surface and the second surface are connected and coplanar, and the first surface is located between the first boundary and the second boundary.

[0010] Furthermore, the groove is provided with two first inner wall surfaces connecting the guiding inclined surface and the docking surface and a second inner wall surface connecting the first inner wall surfaces, and two ends of the second surfaces away from the first surface respectively extend and connect to two ends of the second inner wall surface.

[0011] Furthermore, a slanting surface and a vertical surface connecting the slanting surface and extending to the opening are provided on one side of the terminal groove close to the plugging groove, the slanting surface stops the terminal from displacing along the plugging groove, and the length of the slanting surface is less than the length of the vertical surface.

[0012] Furthermore, the plurality of terminals include a plurality of ground terminals and a plurality of signal terminals, the plurality of terminal grooves include a plurality of first terminal grooves for receiving the plurality of ground terminals and a plurality of second terminal grooves for receiving the plurality of signal terminals, the side wall is provided with an outer side surface perpendicular to the docking surface and a plurality of through grooves recessed from the outer side surface, each groove is only connected to each first terminal groove, and each through groove is only connected to each second terminal groove.

[0013] Furthermore, the insulating body is provided with at least one fixing portion. The fixing portion is provided with a first cavity wall, a second cavity wall, and a receiving cavity located between the first cavity wall and the second cavity wall. The first cavity wall is provided with a first connection hole penetrating the first cavity wall, and the second cavity wall is provided with a second connection hole penetrating the second cavity wall. The diameters of the first connection hole and the second connection hole are different but the depths are the same.

[0014] Furthermore, the insulating body is provided with at least one fixing portion. The fixing portion is provided with a receiving cavity and a cavity wall located on one side of the receiving cavity. The receiving cavity is provided with a through hole and a fastener. The fastener is inserted into the receiving cavity from the through hole, and the cavity wall is recessed to form a support platform.

[0015] Furthermore, the insulating body is provided with at least one fixing portion. The fixing portion is provided with a receiving cavity, a first cavity wall and a second cavity wall located on two adjacent sides of the receiving cavity, and a fastener. The fastener is received in the receiving cavity. The first cavity wall is provided with at least one fixing rib abutting against the fastener, and there is a gap between the fixing rib and the second cavity wall.

[0016] Furthermore, the insulating body is provided with two end walls located at opposite ends of the insertion slot and a support rib located at the bottom of the insertion slot and connected to the two end walls. The support rib is provided with at least one convex portion extending from the bottom of the support rib. The convex portion is connected to the end wall. An insulating block is injection-molded with a plurality of the terminals. The insulating block is provided with an anti-fooling recess. The convex portion cooperates with the anti-fooling recess in the insertion direction.

[0017] Furthermore, an insulating block is injection-molded with a plurality of the terminals. A plurality of convex blocks corresponding to the plurality of terminals are formed at the bottom of the insulating block. Each convex block correspondingly surrounds each terminal. The terminal has a wrapped section located within the convex block and a free section located outside the insulating block and connecting the wrapped section. One end of the wrapped section connecting the free section has a first width, and the end of the wrapped section away from the free section has a second width. The distance of the first width is greater than the distance of the second width.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The groove is provided with an inner bottom surface connected to the guiding inclined surface. The inner bottom surface is perpendicular to the insertion direction. A terminal slot extends from each groove along the insertion direction. The terminal slot is provided with an opening located on the inner bottom surface. The inner bottom surface is provided with a first surface located on one side of the opening and two second surfaces located on both sides of the opening. The first surface is connected to the guiding inclined surface, as Figures 2 to 3As shown, compared with the background art, since the guiding inclined surface is indirectly connected to the inner wall of the terminal groove through the first surface, the insulating body does not have a sharp angle formed by the inner wall of the terminal groove and the guiding inclined surface. During the manufacturing process, molten plastic is injected into the cavity formed by the mating of the moving mold and the fixed mold. The first mold core of the fixed mold and the second mold core of the moving mold are engaged with each other in the groove and the terminal groove, and the insulating body will not generate burrs due to insufficient and uneven injection of molten plastic and will not crack due to stress concentration.

[0020] During the manufacturing process, the first mold core of the fixed mold has a first part corresponding to the first surface in the groove and a second part on the two second surfaces. The first part and the second part of the first mold core can further clamp the second mold core in the direction perpendicular to the insertion direction, ensuring the stability of the abutment between the first mold core and the second mold core.

[0021] Since the size of the opening is not adjustable and is affected by the size of the second mold core, and the first edge is directly connected to the guiding inclined surface, when the first edge is closer to the second boundary, the depth of the groove is greater and the structural strength of the side wall is smaller. Limiting the first edge to be between the first boundary and the second boundary can ensure that the depth of the groove is not too large, thereby affecting the structural strength of the side wall.

Description of the Drawings

[0022] Figure 1 Schematic diagram of the background art of the present invention;

[0023] Figure 2 Partial schematic diagram of the manufacturing process of the insulating body of the present invention;

[0024] Figure 3 Side view after the first mold core and the second mold core of the present invention are assembled;

[0025] Figure 4 Stereogram of the connector of the present invention before assembly;

[0026] Figure 5 Stereogram of the connector of the present invention after assembly;

[0027] Figure 6 Partial stereogram of another perspective of the present invention;

[0028] Figure 7 Front view of the present invention;

[0029] Figure 8 For Figure 7 Cross-sectional view taken along A-A in

[0030] Figure 9 For Figure 7Cross-sectional view along B-B;

[0031] Figure 10 is Figure 7 Cross-sectional view along C-C;

[0032] Figure 11 Top view of the injection molding of the terminal and the insulating block of the present invention;

[0033] Figure 12 Partial perspective view of another perspective of the present invention;

[0034] Figure 13 is Figure 7 Cross-sectional view along D-D;

[0035] Figure 14 is Figure 13 Cross-sectional view after assembling the fastening member;

[0036] Explanation of the reference numerals in the specific embodiments:

[0037] Electrical connector 100 Insulating body 1 Insertion slot 11 Side wall 12 Guiding inclined surface 121 First boundary 1211 Extension line L Second boundary 1212 Butt joint surface 122 Groove 123 Inner bottom surface 1231 First surface 12311 First edge 123111 Second surface 12312 First inner wall surface 1232 Second inner wall surface 1233 Terminal slot 124 First terminal slot 1241 Second terminal slot 1242 Opening 1243 Second edge 12431 Third edge 12432 Vertical surface 1244 Inclined surface 1245 Outer side surface 125 Through slot 126 End wall 13 Fixing part 14 Receiving cavity 141 Through hole 1411 Cavity wall 142 First cavity wall 1421 Fixing rib 14211 First connecting hole 14212 Second cavity wall 1422 Second connecting hole 14221 Support platform 1423 Support rib 15 Convex part 151 Receiving groove 16 Terminal assembly 2 Terminal 21 Grounding terminal 211 Signal terminal 212 Wrapped section 213 First width 2131 Second width 2132 Free section 214 Insulating block 22 Bump 221 First insulating block 222 Anti-fooling recess 2221 Second insulating block 223 Fastener 3 First docking element 200 Second docking element 300 Fixed mold 400 First mold core 401 First part 4011 Second part 4012 Moving mold 500 Second mold core 501 Slider mold 600 Third mold core 601 Third part 6011 Fourth part 6012

Detailed Description of the Invention

[0038] For better understanding of the purpose, structure, features, and functions of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0039] As Figures 4 to 14 shown, the electrical connector 100 of the present invention is used to electrically connect a first docking element 200 to a second docking element 300. The first docking element 200 is preferably an electronic card, and the second docking element 300 is preferably a circuit board. The electrical connector 100 includes an insulating body 1, a plurality of terminal assemblies 2 received in the insulating body 1, and a fastening member 3; the terminal assemblies 2 are used to electrically connect the first docking element 200 to the second docking element 300.

[0040] As Figures 4 to 14 shown, the electrical connector 100 defines the longitudinal direction of the insulating body 1 as the left-right direction (the left-right direction is the extension direction of the X axis, where the positive direction of the X axis is to the right), the width direction of the insulating body 1 as the front-back direction (the front-back direction is the extension direction of the Y axis), and the insertion direction of the first docking element 200 as the up-down direction (the up-down direction is the extension direction of the Z axis);

[0041] As Figures 4 to 14As shown, the insulating body 1 is provided with a plugging groove 11, and the first docking element 200 is inserted into the plugging groove 11 along an insertion direction. The insulating body 1 is provided with two side walls 12 on opposite sides of the plugging groove 11 and two end walls 13 at opposite ends of the plugging groove 11 and connected to the side walls 12. The insulating body 1 is further provided with two fixing parts 14 respectively connected to the two end walls 13, a support rib 15 located at the bottom of the plugging groove 11 and connected to the two end walls 13, and a receiving groove 16 located at the bottom of the support rib 15. In other embodiments, the fixing part 14 can be one.

[0042] As Figures 4 to 9 shown, the side wall 12 is provided with a guiding inclined surface 121, a docking surface 122 connecting the guiding inclined surface 121, and a plurality of grooves 123 recessed together along the insertion direction from the guiding inclined surface 121 and the docking surface 122. The guiding inclined surface 121 is provided with a first boundary 1211 connecting the docking surface 122 and a second boundary 1212 spaced from the first boundary 1211. The side wall 12 is further provided with an outer side surface 125 perpendicular to the docking surface 122 and a plurality of through grooves 126 recessed from the outer side surface 125.

[0043] As Figures 4 to 9 shown, the groove 123 is provided with an inner bottom surface 1231 connected to the guiding inclined surface 121, two first inner wall surfaces 1232 commonly connecting the guiding inclined surface 121 and the docking surface 122, and a second inner wall surface 1233 connecting the first inner wall surfaces 1232. The inner bottom surface 1231 is perpendicular to the insertion direction. The inner bottom surface 1231 is provided with a first surface 12311 directly connected to the guiding inclined surface 121 and two second surfaces 12312 located at opposite ends of the first surface 12311. The first surface 12311 and the second surfaces 12312 are connected and coplanar. When viewed along the insertion direction, the first surface 12311 is entirely located between the first boundary 1211 and the second boundary 1212. The first surface 12311 is provided with a first edge 123111 connected to the guiding inclined surface 121. When viewed along the insertion direction, the first edge 123111 is located between the first boundary 1211 and the second boundary 1212. One end of each of the two second surfaces 12312 away from the first surface 12311 extends and is respectively connected to both ends of the second inner wall surface 1233. In other embodiments, the first surface 12311 and the two second surfaces 12312 are respectively disconnected; in other embodiments, one end of each of the two second surfaces 12312 away from the first surface 12311 is respectively disconnected from both ends of the second inner wall surface 1233; in other embodiments, the surfaces of the first surface 12311 and the two second surfaces 12312 are staggered in the insertion direction.

[0044] As Figures 4 to 9 shown, a terminal slot 124 extends from each of the grooves 123 along the insertion direction. The plurality of terminal slots 124 include a plurality of first terminal slots 1241 and a plurality of second terminal slots 1242. Each groove 123 is only in communication with each first terminal slot 1241. The side wall 12 is not provided with the groove 123 and is in communication at the position corresponding to the second terminal slot 1242 on the docking surface 122. Each through slot 126 is only in communication with each second terminal slot 1242. The side wall 12 is not provided with the through slot 126 and is in communication at the position corresponding to the first terminal slot 1241 on the outer side surface 125. The terminal slot 124 is provided with an opening 1243 on the inner bottom surface 1231, an inclined surface 1245 near one side of the insertion slot 11, and a vertical surface 1244 connecting the inclined surface 1245 and extending to the opening 1243. The first surface 12311 is located on one side of the opening 1243, and the two second surfaces 12312 are located on opposite sides of the opening 1243. The opening 1243 is provided with two second edges 12431 connecting the two second surfaces 12312 and a third edge 12432 connecting the first surface 12311. When viewed along the insertion direction, the second edge 12431 intersects the extension line L of the first boundary 1211. The length of the inclined surface 1245 is less than the length of the vertical surface 1244. In other embodiments, when viewed along the insertion direction, the third edge 12432 coincides with the extension line L of the first boundary 1211; in other embodiments, each groove 123 may be in communication with each second terminal slot 1242, and each through slot 126 may be in communication with each first terminal slot 1241.

[0045] As Figures 12 to 14As shown, the fixing part 14 is provided with a receiving cavity 141 and two cavity walls 142 located on opposite sides of the receiving cavity 141. The receiving cavity 141 is provided with a through hole 1411. A fastener 3 is inserted into the receiving cavity 141 from the through hole 1411. A support platform 1423 is recessed in the cavity wall 142, facilitating the jig to be placed on the support platform 1423 to rivet the cavity wall 142. Multiple glue chips are generated on the cavity wall 142 and fall into the gap between the fastener 3 and the cavity wall 142. The glue chips can further fix the fastener 3 by cooperating with the cavity wall 142. The cavity wall 142 has a first cavity wall 1421 and a second cavity wall 1422. The first cavity wall 1421 is provided with a first connection hole 14212 penetrating through the first cavity wall 1421, and the second cavity wall 1422 is provided with a second connection hole 14221 penetrating through the second cavity wall 1422. The diameter of the first connection hole 14212 is larger than that of the second connection hole 14221, and the depth of the first connection hole 14212 is the same as that of the second connection hole 14221. The first cavity wall 1421 is provided with two fixing ribs 14211 abutting against the fastener 3, and there is a gap between the fixing ribs 14211 and the second cavity wall 1422. In other embodiments, the fixing ribs 14211 can be one; in other embodiments, the diameter of the first connection hole 14212 is smaller than that of the second connection hole 14221.

[0046] As Figures 8 to 10 shown, the support rib 15 is provided with a plurality of convex portions 151 extending from the bottom of the support rib 15, and the convex portions 151 are connected to the end wall 13. In other embodiments, the convex portions 151 can be one.

[0047] As Figures 4 to 11As shown, the terminal assembly 2 is inserted into the insulation body 1 from the accommodation groove 16. Each terminal assembly 2 is injection molded by two insulation blocks 22 and a plurality of terminals 21 respectively. The insulation blocks 22 are fixed in the accommodation groove 16, and the plurality of terminals 21 extend from the accommodation groove 16 to the terminal groove 124. The insulation block 22 is provided with a plurality of bumps 221 corresponding to the plurality of terminals 21 at the bottom of the insulation block 22. Each bump 221 correspondingly surrounds each terminal 21. The plurality of terminals 21 are respectively received in the terminal grooves 124. The terminal 21 has a wrapped section 213 located within the bump 221 and a free section 214 located outside the insulation block 22 and connecting the wrapped section 213. One end of the wrapped section 213 connecting the free section 214 has a first width 2131, and the end of the wrapped section 213 away from the free section 214 has a second width 2132. The distance of the first width 2131 is greater than the distance of the second width 2132. The insulation block 22 has a first insulation block 222 and a second insulation block 223. The first insulation block 222 is provided with an anti-fooling recess 2221 while the second insulation block 223 is not provided with the anti-fooling recess 2221. The anti-fooling recess 2221 cooperates with the convex portion 151 in the insertion direction. The plurality of terminals 21 have a plurality of ground terminals 211 received in the plurality of first terminal grooves 1241 and a plurality of signal terminals 212 received in the plurality of second terminal grooves 1242. In other embodiments, the second insulation block 223 is provided with the anti-fooling recess 2221 while the first insulation block 222 is not provided with the anti-fooling recess 2221.

[0048] In summary, the electrical connector 100 of the present invention has the following beneficial effects:

[0049] (1) The groove 123 is provided with an inner bottom surface 1231 connected to the guiding inclined surface 121. The inner bottom surface is perpendicular to the insertion direction. From each groove 123, a terminal groove 124 extends along the insertion direction. The terminal groove 124 is provided with an opening 1243 located on the inner bottom surface 1231. The inner bottom surface 1231 is provided with a first surface 12311 on one side of the opening 1243 and two second surfaces 12312 on both sides of the opening 1243. The first surface 12311 is connected to the guiding inclined surface 121. Compared with the prior art, since the guiding inclined surface 121 is indirectly connected to the inner wall of the terminal groove 124 through the first surface 12311, the insulating body 1 does not have a sharp corner formed by the inner wall of the terminal groove 124 and the guiding inclined surface 121. During the manufacturing process, molten plastic is injected into the cavity formed by the mating of the moving mold 500 and the fixed mold 400. The first mold core 401 of the fixed mold 400 and the second mold core 501 of the moving mold 500 are engaged and fitted with each other in the groove 123 and the terminal groove 124. The insulating body 1 will not generate burrs due to insufficient and uneven injection of molten plastic and will not crack due to stress concentration. During the manufacturing process, the first mold core 401 of the fixed mold 400 has a first part 4011 corresponding to the first surface 12311 in the groove 123 and a second part 4012 on the two second surfaces 12312. The first part 4011 and the second part 4012 of the first mold core 401 can further clamp the second mold core 501 in the direction perpendicular to the insertion direction, ensuring the stability of the abutment between the first mold core 401 and the second mold core 501. Since the size of the opening 1243 is not adjustable due to the size of the second mold core 501, and the first edge 123111 is directly connected to the guiding inclined surface 121, when the first edge 123111 is closer to the second boundary 1212, the depth of the groove 123 is greater, and the structural strength of the side wall 12 is smaller. Limiting the first edge 123111 between the first boundary 1211 and the second boundary 1212 can ensure that the depth of the groove 123 is not too large, thus affecting the structural strength of the side wall 12.

[0050] (2) Compared with the disconnection between the first surface 12311 and the second surface 12312, the first surface 12311 and the second surface 12312 are connected and coplanar. The first surface 12311 located between the first boundary 1211 and the second boundary 1212 not only strengthens the structural strength of the inner bottom surface 1231 of the groove 123 but also facilitates the simplification of the manufacturing process.

[0051] (3) One end of each of the two second surfaces 12312 away from the first surface 12311 extends and connects to both ends of the second inner wall surface 1233 respectively, which not only strengthens the structural strength of the inner bottom surface 1231 of the groove 123, but also helps to simplify the manufacturing process.

[0052] (4) An inclined surface 1245 is provided on one side of the terminal groove 124 close to the insertion groove 11. The inclined surface 1245 blocks the displacement of the terminal 21 along the insertion groove 11, which can not only limit the terminal 21 to ensure that the first docking element 200 accurately abuts against the terminal 21, but also appropriately shorten the length of the vertical surface 1244 to avoid the second mold core 501 used in the manufacturing process from being too long and narrow, and ensure the stability of the mutual abutment of the second mold core 501 and the first mold core 401 in the direction perpendicular to the insertion direction. When the molten plastic is injected during the manufacturing process, there is a certain impact force on the first mold core 401 and the second mold core 501. Since the first mold core 401 and the second mold core 501 are stably abutted, burrs are not easily generated around the terminal groove 124 and the groove 123.

[0053] (5) Each of the through grooves 126 is only communicated with each of the second terminal grooves 1242, which is beneficial to the formation of the second terminal grooves 1242 and reduces the complexity of the manufacturing process. Since the communication between the second terminal groove 1242 and the groove 123 needs to be formed by the cooperation of the first die 401 placed in the groove 123 and the second die 501 placed in the second terminal groove 1242 in the insertion direction during the manufacturing process, a position for the second die 501 needs to be reserved in the second terminal groove 1242. If the second terminal groove 1242 communicates with the groove 123 and the second terminal groove 1242 houses the signal terminal 212, the inner wall of the second terminal groove 1242 cannot be as close as possible to the signal terminal 212 in order to reserve a position for the second die 501. When the signal terminal 212 is closer to the inner wall of the second terminal groove 1242, the dielectric constant value of the signal terminal 212 is closer to the dielectric constant value of the insulating body 1, thus affecting the adjustment of the characteristic impedance of the signal terminal 212. The groove 123 is not provided and communicated at the position of the side wall 12 corresponding to the second terminal groove 1242 on the docking surface 122, so that the signal terminal 212 can be as close as possible to the inner wall of the second terminal groove 1242, thereby adjusting the characteristic impedance of the signal terminal 212 and being beneficial to the transmission of high-frequency signals. Each of the grooves 123 is only communicated with each of the first terminal grooves 1241, and the through groove 126 is not provided and communicated at the position of the side wall 12 corresponding to the first terminal groove 1241 on the outer surface 125, which is not only beneficial to the formation of the first terminal groove 1241 and the manufacturing process is simple, but also can avoid affecting the structural strength of the side wall 12 and ensure the structural stability of the insulating body 1.

[0054] (6) A support platform 1423 is recessed on the cavity wall 142, which is convenient for the jig to be placed on the support platform 1423 to rivet the cavity wall 142. A plurality of glue chips are generated on the cavity wall 142 and scattered in the gap between the fastener 3 and the cavity wall 142. The glue chips can further fix the fastener 3 by cooperating with the cavity wall 142.

[0055] (7) The diameter of the first connection hole 14212 is larger than that of the second connection hole 14221. During the manufacturing process, the third mold core 601 of the slider mold 600 has a third part 6011 placed in the second connection hole 14221 and a fourth part 6012 placed in the first connection hole 14212. The diameter of the third part 6011 is smaller than that of the fourth part 6012. Molten plastic is injected into the combined mold cavity of the slider mold 600 and the moving mold 500. After solidification, the third mold core 601 is demolded in the opening direction of the first connection hole 14212. When the third part 6011 moves to the first connection hole 14212, since the diameter of the first connection hole 14212 is larger than that of the third part 6011, the third part 6011 will no longer contact the inner wall of the first connection hole 14212, reducing the damage to the fixing part 14 caused by the third mold core 601 and facilitating demolding. The first connection hole 14212 and the second connection hole 14221 have the same depth, ensuring that the wall thicknesses of the first cavity wall 1421 and the second cavity wall 1422 on both sides of the fixing part 14 in the receiving cavity 141 are uniform, and the fixing part 14 is not prone to shrinkage and deformation.

[0056] (8) When the fastener 3 is received in the receiving cavity 141, it abuts against the fixing rib 14211. At this time, multiple plastic chips are likely to be generated on the fixing rib 14211. There is a gap between the fixing rib 14211 and the second cavity wall 1422, facilitating the plastic chips to fall into the gap and preventing the plastic chips from falling into the space in the receiving cavity 141 for receiving the fastener 3, reducing the influence on the installation of the fastener 3.

[0057] (9) The support rib 15 is used to prevent the first docking element 200 from being further inserted. The convex part 151 is connected to the end wall 13, which is beneficial to enhancing the support strength of the support rib 15. Since the first insulating block 222 is provided with the anti-fooling concave part 2221 while the second insulating block 223 is not provided with the anti-fooling concave part 2221, the convex part 151 cooperates with the anti-fooling concave part 2221 of the first insulating block 222, which can not only achieve the anti-fooling function when the insulating block 22 is assembled into the receiving groove 16, but also limit the insulating block 22.

[0058] (10) The distance of the first width 2131 is greater than the distance of the second width 2132, which can reduce the force of the second docking element 300 against the terminal 21. At the same time, since the distance of the first width 2131 is greater than the distance of the second width 2132, when the insulating block 22 and the terminal 21 are injection molded, a phenomenon of encapsulating the wrapped section 213 occurs, that is, the bump 221 is formed. The bump 221 can protect the insulating block 22 from being easily cracked due to the deformation and displacement of the terminal 21 when the second docking element 300 is docked with the electrical connector 100.

[0059] The above detailed description is only for the description of the preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the content of this creative specification and the drawings are included in the patent scope of this creation.

Claims

1. An electrical connector, characterized in that, Comprising: An insulating body, the insulating body is provided with a plugging groove, the plugging groove is for a docking element to be inserted along an insertion direction, the insulating body is provided with a side wall on one side of the plugging groove, the side wall is provided with a guiding inclined surface, a docking surface connecting the guiding inclined surface, and a plurality of grooves concavely arranged along the insertion direction from the guiding inclined surface and the docking surface. The guiding inclined surface is provided with a first boundary connecting the docking surface and a second boundary spaced from the first boundary. The groove is provided with an inner bottom surface connected to the guiding inclined surface, the inner bottom surface is perpendicular to the insertion direction. A terminal groove extends along the insertion direction from each groove, the terminal groove is provided with an opening located on the inner bottom surface, the inner bottom surface is provided with a first surface on one side of the opening and two second surfaces on opposite sides of the opening. The first surface is provided with a first edge connected to the guiding inclined surface, the opening is provided with a second edge connected to each second surface. When viewed along the insertion direction, the first edge is located between the first boundary and the second boundary, and the second edge intersects with the extension line of the first boundary; A plurality of terminals, respectively received in the terminal grooves.

2. The electrical connector according to claim 1, characterized in that: The first surface and the second surface are connected and coplanar, and the first surface is located between the first boundary and the second boundary.

3. The electrical connector according to claim 2, characterized in that: The groove is provided with two first inner wall surfaces connecting the guiding inclined surface and the docking surface and a second inner wall surface connecting the first inner wall surfaces. One end of each of the two second surfaces away from the first surface respectively extends and connects to both ends of the second inner wall surface.

4. The electrical connector according to claim 1, characterized in that: The terminal groove is provided with an inclined surface on the side close to the plugging groove and a vertical surface connecting the inclined surface and extending to the opening. The inclined surface blocks the terminal from displacing along the plugging groove, and the length of the inclined surface is less than the length of the vertical surface.

5. The electrical connector according to claim 1, characterized in that: The plurality of terminals include a plurality of grounding terminals and a plurality of signal terminals. The plurality of terminal grooves include a plurality of first terminal grooves for receiving the plurality of grounding terminals and a plurality of second terminal grooves for receiving the plurality of signal terminals. The side wall is provided with an outer side surface perpendicular to the docking surface and a plurality of through grooves recessed from the outer side surface. Each groove is only connected to each first terminal groove, and each through groove is only connected to each second terminal groove.

6. The electrical connector according to claim 1, characterized in that: The insulating body is provided with at least one fixing part, the fixing part is provided with a first cavity wall, a second cavity wall and a receiving cavity located between the first cavity wall and the second cavity wall. The first cavity wall is provided with a first connection hole penetrating through the first cavity wall, and the second cavity wall is provided with a second connection hole penetrating through the second cavity wall. The diameters of the first connection hole and the second connection hole are different but the depths are the same.

7. The electrical connector according to claim 1, characterized in that: The insulating body is provided with at least one fixing part, the fixing part is provided with a receiving cavity and a cavity wall on one side of the receiving cavity. The receiving cavity is provided with a through hole, and a fastener is loaded into the receiving cavity from the through hole. The cavity wall is recessed to form a support platform.

8. The electrical connector according to claim 1, characterized in that: The insulating body is provided with at least one fixing part, the fixing part is provided with a receiving cavity and a first cavity wall and a second cavity wall on two adjacent sides of the receiving cavity, and a fastening member. The fastening member is received in the receiving cavity. The first cavity wall is provided with at least one fixing rib abutting against the fastening member, and there is a gap between the fixing rib and the second cavity wall.

9. The electrical connector according to claim 1, characterized in that: The insulating body is provided with two end walls at opposite ends of the insertion slot and a support rib at the bottom of the insertion slot and connected to the two end walls. The support rib is provided with at least one convex portion extending from the bottom of the support rib, and the convex portion is connected to the end wall. An insulating block is injection-molded with a plurality of the terminals. The insulating block is provided with an anti-fooling recess, and the convex portion is matched with the anti-fooling recess in the insertion direction.

10. The electrical connector according to claim 1, characterized in that: An insulating block is injection-molded with a plurality of the terminals. A plurality of convex blocks corresponding to the plurality of terminals are formed at the bottom of the insulating block. Each convex block correspondingly surrounds each terminal. The terminal has a wrapped section located within the convex block and a free section located outside the insulating block and connecting the wrapped section. One end of the wrapped section connecting the free section has a first width, and one end of the wrapped section away from the free section has a second width. The distance of the first width is greater than the distance of the second width.

Images