Cable connector

Abstract

The utility model discloses a cable connector, comprising an insulation housing comprising an accommodation groove, two side walls arranged on the left and right sides of the accommodation groove and a bottom wall arranged below the accommodation groove, a conductive assembly accommodated in the accommodation groove, and a conductive terminal arranged in the accommodation groove, the injection molding part packages the conductive assembly and the cable in the containing groove and comprises an inner mold located in the containing groove, a connecting mold extending backwards out of the containing groove from the inner mold and an outer mold extending forwards from the connecting mold, the inner mold covers the first opening, the connecting mold covers the third opening, and the inner mold is attached upwards on the upper surface of the bottom wall of the insulating shell in the vertical direction; the lower surface of the bottom wall of the insulating shell is downwards attached to the outer mold, so that the adhesive force between the injection molding part and the insulating shell is increased, the overall strength of the cable connector is improved, meanwhile, the production procedures are reduced, and the production efficiency is improved.

Description

Technical field

[0001] The utility model relates to an electric connector, in particular to an elbow type cable connector. [Background Technology]

[0002] The current elbow-type wire end connector consists of a front shell, a PCB board, a back shell, an inner mold, and wires. The PCB board is installed in the receiving slot of the front shell and fixed by providing a snap-in hole on the front shell and a snap-in part on the back shell. Then, glue is injected into the inner mold to fix one end of the wire that is connected to the PCB in the receiving slot.

[0003] The above structure has the following problems:

[0004] The overall strength of the connector is insufficient. The front shell is clamped to the clamping part of the rear shell through the clamping hole. The stress on the wires can easily cause the front shell and the rear shell to loosen. At the same time, there are many production processes and the production efficiency is low.

[0005] Therefore, it is necessary to design a new cable connector to overcome the above problems. [Utility Model Content]

[0006] In response to the problems faced by the background technology, the purpose of the invention is to provide a method of encapsulating conductive components and cables in a receiving groove through an injection molded part. The injection molded part includes an inner mold located in the receiving groove, a connecting mold extending backward from the inner mold to the outside of the receiving groove, and an outer mold extending forward from the connecting mold. The inner mold covers the first opening, the connecting mold covers the third opening, and the upper surface of the bottom wall of the insulating shell is attached to the inner mold upward in the up and down directions, and the lower surface of the bottom wall of the insulating shell is attached to the outer mold downward, thereby increasing the adhesion between the injection molded part and the insulating shell, improving the overall strength of the cable connector, and also reducing the production process and improving the production efficiency of the cable connector.

[0007] In order to achieve the above purpose, the utility model adopts the following technical means:

[0008] A cable connector, characterized in that it includes: an insulating shell, including a accommodating groove, two side walls located on the left and right sides of the accommodating groove and a bottom wall located below the accommodating groove, the accommodating groove including a first opening open upward, a second opening open downward and a third opening open backward; a conductive component accommodated in the accommodating groove, the conductive component including a plurality of conductive elements arranged in the left and right directions, the conductive component also including a docking part and a main body connected to the docking part, the docking part extends downward through the second opening to the outside of the accommodating groove, and the main body is fixed to the accommodating groove; a cable extends into the accommodating groove through the third opening and is connected to the main body; an injection molded part encapsulates the conductive component and the cable in the accommodating groove, the injection molded part includes an inner mold located in the accommodating groove, a connecting mold extending from the inner mold backward through the third opening to the outside of the accommodating groove and an outer mold extending forward from the connecting mold, the inner mold covers the first opening, the connecting mold covers the third opening, the upper surface of the bottom wall is attached to the inner mold upward in the up and down directions, and the lower surface of the bottom wall is attached to the outer mold downward.

[0009] Furthermore, a plurality of convex portions extend downward from the lower surface of the bottom wall, the plurality of convex portions are arranged at intervals along the left-right direction, and the plurality of convex portions are attached to the outer mold.

[0010] Furthermore, the upper surface of the bottom wall is concavely provided with a plurality of recesses, which are arranged in the left-right direction, and the plurality of recesses are attached to the inner mold, and the recesses are at least partially aligned with the protrusions.

[0011] Furthermore, the multiple protrusions include two first protrusions located on the two outer sides respectively in the left and right directions and multiple second protrusions located between the two first protrusions. The size between the left surface of the bottom wall and the adjacent first protrusion in the left and right directions is larger than the size of the first protrusion. The outer mold is attached to the position between the left surface of the bottom wall and the adjacent first protrusion. The size between the right surface of the bottom wall and the adjacent first protrusion in the left and right directions is larger than the size of the first protrusion. The outer mold is attached to the position between the right surface of the bottom wall and the adjacent first protrusion.

[0012] Furthermore, a limit block protrudes toward each other from the two side walls along the left and right directions. The two limit blocks are located in the accommodating groove, and the main body is located between the two limit blocks. The two limit blocks jointly stop the main body from moving along the left and right directions, and the front and rear surfaces of the limit blocks are respectively attached to the inner mold.

[0013] Furthermore, each side wall is recessed with two snap grooves, the limiting block is located between the two snap grooves, and the inner mold is provided with a snap block attached to the snap grooves.

[0014] Furthermore, a snap groove is respectively formed on the two side walls, and the inner mold is provided with a snap block attached to the snap groove. The cable is located between the two snap blocks, and the snap block is located above the outer mold.

[0015] Furthermore, the insulating shell also includes a front wall located in front of the accommodating groove, the front wall is provided with an installation groove, two side walls located on the left and right sides of the installation groove, a rear wall located behind the installation groove, and a connecting wall connecting the side walls and the side walls. The installation groove accommodates a fastener, and the inner mold includes a groove concave from front to back. Part of the side wall and the rear wall are accommodated in the groove, and the two side walls are respectively attached to the inner mold along the left and right directions, and the connecting wall is attached to the inner mold backward.

[0016] Furthermore, the insulating shell also includes a front wall located in front of the accommodating groove, the front wall is provided with an installation groove, two side walls located on the left and right sides of the installation groove and a rear wall located behind the installation groove, the installation groove accommodates a locking member, the rear wall is recessed with a through hole from front to back, the inner mold is recessed with a guide groove from front to back, the guide groove is located behind the through hole, a pull strap passes through the guide groove and the through hole and is connected to the locking member, the guide groove includes a guide bevel, the guide bevel is provided with a first edge and a second edge located behind the first edge, the first edge is lower than the second edge.

[0017] Furthermore, the size of the connecting mold in the left-right direction is greater than or equal to the size of the bottom wall, and the size of the outer mold in the left-right direction is greater than or equal to the size of the bottom wall.

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

[0019] The injection molded part encapsulates the conductive components and cables in the accommodating groove, and the injection molded part includes an inner mold located in the accommodating groove, a connecting mold extending backward from the inner mold to the outside of the accommodating groove, and an outer mold extending forward from the connecting mold. The inner mold covers the first opening, and by replacing the front shell covering the accommodating groove in the background technology, the production process is reduced and the production efficiency is improved; the connecting mold covers the third opening to fix the part of the cable in the third opening, and the connecting mold extends backward from the inner mold to the outside of the accommodating groove, thereby increasing the adhesion between the connecting mold and the cable; the upper surface of the bottom wall is attached to the inner mold upward along the up and down directions, and the lower surface of the bottom wall is attached to the outer mold downward, thereby increasing the adhesion between the injection molded part and the insulating shell, thereby improving the overall strength of the cable connector.

Brief Description of the Drawings

[0020] Figure 1 This is an exploded view of the cable connector of the present invention;

[0021] Figure 2 A perspective view of the cable connector of the present invention;

[0022] Figure 3 This is a perspective view of the cable connector of the present invention with the injection mold decomposed from another perspective;

[0023] Figure 4 for Figure 3 Rear view;

[0024] Figure 5A perspective view of the insulating housing of the cable connector of the present invention from another perspective;

[0025] Description of the accompanying drawings for the specific embodiments:

[0026] Cable connector 100 Insulation shell 1 Accommodation slot 11 First opening 111 Second opening 112 The third opening 113 Front wall 12 Mounting slot 121 Side wall 122 Back Wall 123 Through hole 1231 Connecting wall 124 Side wall 13 Limit block 131 Buckle slot 132 Bottom wall 14 Recess 141 Projection 142 First convex portion 1421 Second convex portion 1422 Conductive component 2 Conductive element 21 Docking portion 22 Main body 23 Cable 3 Injection molded parts 4 Inner mold 41 Groove 411 Guide groove 412 Guide slope 4121 First Edge 41211 Second Edge 41212 Buckle block 413 Connection mold 42 External model 43 Locking piece 5 Drawstring 6 [Specific implementation method]

[0027] In order to facilitate a better understanding of the purpose, structure, features and effects of the present invention, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods.

[0028] like Figure 1 The figure shows a cable connector 100 of the present invention, which is used to electrically connect to a docking component, preferably a docking connector (not shown). The insertion direction of the cable connector 100 into the docking component is defined as the up-down direction, where the up-down direction is the Z-axis, the upward direction is the positive Z-axis direction, the front-back direction is the X-axis, the forward direction is the positive X-axis direction, the left-right direction is the Y-axis, and the rightward direction is the positive Y-axis direction.

[0029] like Figure 1 and Figure 5 As shown, the cable connector 100 includes an insulating housing 1, a conductive component 2 fixed to the insulating housing 1, a cable 3 connected to the conductive component 2, and an injection molded part 4. The insulating housing 1 includes a receiving slot 11, a front wall 12 located in front of the receiving slot 11, two side walls 13 located on the left and right sides of the receiving slot 11, and a bottom wall 14 located below the receiving slot 11. The receiving slot 11 includes a first opening 111 that opens upward, a second opening 112 that opens downward, and a third opening 113 that opens rearward.

[0030] like Figures 1 to 2As shown, the front wall 12 is provided with a mounting groove 121, two side walls 122 located on the left and right sides of the mounting groove 121, a rear wall 123 located behind the mounting groove 121, and a connecting wall 124 connecting the side walls 13 and the side walls 122. The mounting groove 121 accommodates a locking member 5, and the rear wall 123 is recessed with a through hole 1231 from front to back. A limiting block 131 protrudes from the two side walls 13 in the left and right directions, and the two limiting blocks 131 are located in the receiving groove 11. Two buckle grooves 132 are recessed on each side wall 13, and the limiting block 131 is located between the two buckle grooves 132. The size of the buckle groove 132 located in front of the limiting block 131 in the front-to-back direction is larger than the size in the up-down direction, and the size of the buckle groove 132 located behind the limiting block 131 in the front-to-back direction is smaller than the size in the up-down direction. The upper surface of the bottom wall 14 is recessed downwardly with a plurality of recesses 141 arranged in a horizontal direction. The lower surface of the bottom wall 14 is formed with a plurality of protrusions 142 extending downwardly, spaced apart in the horizontal direction. The recesses 141 and protrusions 142 are at least partially aligned, ensuring relatively uniform thickness and stable strength of the bottom wall 14. The plurality of protrusions 142 include two first protrusions 1421 located on either side of the bottom wall 14 in the horizontal direction, and a plurality of second protrusions 1422 located between the two first protrusions 1421. The dimension between the left surface of the bottom wall 14 and the adjacent first protrusion 1421 is greater than the dimension of the first protrusion 1421, and the dimension between the right surface of the bottom wall 14 and the adjacent first protrusion 1421 is greater than the dimension of the first protrusion 1421.

[0031] like Figures 1 to 2 and Figure 5 As shown, the conductive assembly 2 is received in the receiving slot 11. The conductive assembly 2 includes a plurality of conductive elements 21 arranged in a left-right direction. In this embodiment, the conductive assembly 2 is a terminal module, and the plurality of conductive elements 21 include a plurality of signal terminals (unnumbered) and a plurality of ground terminals (unnumbered). In other embodiments, the conductive assembly is a circuit board, and the plurality of conductive elements include a plurality of signal pads and a plurality of ground pads. The conductive assembly 2 also includes a docking portion 22 and a main body 23 connected to the docking portion 22. The docking portion 22 extends downward through the second opening 112 to the outside of the receiving slot 11. The main body 23 is fixed to the receiving slot 11 and is located between two limit blocks 131. The two limit blocks 131 jointly prevent the main body 23 from moving in the left-right direction.

[0032] like Figure 1 and Figure 3 As shown, the cable 3 includes a plurality of signal lines (not numbered) and a ground line (not numbered). The cable 3 extends through the third opening 113 into the receiving groove 11 and is connected to the main body 23.

[0033] like Figure 2As shown, the injection molded part 4 encapsulates the conductive component 2 and the cable 3 in the receiving groove 11. The injection molded part 4 includes an inner mold 41 located in the receiving groove 11, a connecting mold 42 extending backward from the inner mold 41 through the third opening 113 to the outside of the receiving groove 11, and an outer mold 43 extending forward from the connecting mold 42.

[0034] like Figure 2 As shown, the inner mold 41 covers the first opening 111. From front to back, the inner mold 41 is formed with a groove 411 and a guide groove 412 located behind the groove 411. The groove 411 and the guide groove 412 are connected. Portions of the side walls 122 and the rear wall 123 are received in the groove 411. The side walls 122 are attached to the inner mold 41 in the left and right directions, respectively. The connecting wall 124 is attached to the inner mold 41 rearward, strengthening the adhesion between the inner mold 41 and the front wall 12. The guide groove 412 is located behind the through hole 1231. A pull strap 6 passes through the guide groove 412 and the through hole 1231 to connect with the locking member 5. The guide groove 412 includes a guide bevel 4121. The guide bevel 4121 has a first edge 41211 and a second edge 41212 located behind the first edge 41211. The first edge 41211 is lower than the second edge 41212. The guide bevel 4121 guides the pull strap 6 to stretch backward. The front and rear surfaces of the limit block 131 are respectively attached to the inner mold 41, increasing the adhesion between the inner mold 41 and the side wall 13. The inner mold 41 is provided with a snap block 413 attached to the snap groove 132. There are four snap blocks 413. The cable 3 is located between two of the snap blocks 413. These two snap blocks 413 are located above the outer mold 43. The inner mold 41 is attached to the upper surface of the bottom wall 14 in the up-down direction, wherein the plurality of recesses 141 are attached to the inner mold 41 , thereby increasing the adhesion between the inner mold 41 and the upper surface of the bottom wall 14 .

[0035] like Figure 2 and Figure 4 As shown, the connecting mold 42 covers the third opening 113 , and the size of the connecting mold 42 along the left-right direction is greater than or equal to the size of the bottom wall 14 , thereby enhancing the adhesion between the connecting mold 42 and the bottom wall 14 .

[0036] like Figures 3 and 4 As shown, the outer mold 43 is larger than or equal to the size of the bottom wall 14 in the left-right direction, strengthening the adhesion between the outer mold 43 and the bottom wall 14. The lower surface of the bottom wall 14 is adhered downwardly to the outer mold 43, wherein a plurality of protrusions 142 are attached to the outer mold 43, thereby strengthening the adhesion between the outer mold 43 and the lower surface of the bottom wall 14. The outer mold 43 is attached to the position between the left surface of the bottom wall 14 and the adjacent first protrusion 1421, and the outer mold 43 is attached to the position between the right surface of the bottom wall 14 and the adjacent first protrusion 1421.

[0037] In summary, the electrical connector of the present invention has the following beneficial effects:

[0038] (1) The injection molded part 4 encapsulates the conductive component 2 and the cable 3 in the receiving groove 11, and the injection molded part 4 includes an inner mold 41 located in the receiving groove 11, a connecting mold 42 extending backward from the inner mold 41 to the outside of the receiving groove 11, and an outer mold 43 extending forward from the connecting mold 42. The inner mold 41 covers the first opening 111, and by replacing the front shell covering the receiving groove in the background technology, the production process is reduced and the production efficiency is improved; the connecting mold 42 covers the third opening 113 to fix the part of the cable 3 in the third opening 113, and the connecting mold 42 extends backward from the inner mold 41 to the outside of the receiving groove 11, thereby increasing the adhesion between the connecting mold 42 and the cable 3; the upper surface of the bottom wall 14 is attached to the inner mold 41 upward in the up and down directions, and the lower surface of the bottom wall 14 is attached to the outer mold 43 downward, thereby increasing the adhesion between the injection molded part 4 and the insulating shell 1 and improving the overall strength of the cable connector 100.

[0039] (2) The dimension between the left surface of the bottom wall 14 and the adjacent first protrusion 1421 is larger than the dimension of the first protrusion 1421, and the outer mold 43 is attached to the position between the left surface of the bottom wall 14 and the adjacent first protrusion 1421. The dimension between the right surface of the bottom wall 14 and the adjacent first protrusion 1421 is larger than the dimension of the first protrusion 1421, and the outer mold 43 is attached to the position between the right surface of the bottom wall 14 and the adjacent first protrusion 1421. Compared with the fact that the dimension between the left surface of the bottom wall 14 and the adjacent first protrusion 1421 is smaller than the dimension of the first protrusion 1421 in the left-right direction and the dimension between the right surface of the bottom wall 14 and the adjacent first protrusion 1421 is smaller than the dimension of the first protrusion 1421 in the left-right direction, the outer mold 43 can be attached to the lower surface of the bottom wall 14 with a larger volume, thereby increasing the adhesion between the outer mold 43 and the lower surface of the bottom wall 14.

[0040] (3) The limit block 131 is located between the two snap grooves 132. The inner mold 41 is provided with a snap block 413 attached to the snap grooves 132. The snap grooves 132 and the limit block 131 cooperate with each other to strengthen the adhesion between the side wall 13 and the inner mold 41.

[0041] (4) Since the receiving groove 11 includes a first opening 111 open upward and a third opening 113 open backward, the cable 3 extends into the receiving groove 11 through the third opening 113 and is connected to the main body 23. The inner mold 41 covers the cable 3 and the main body 23, which is subjected to large force and is easily fixed to the insulating shell 1 unstably. The snap block 413 is attached to the snap groove 132 to strengthen the adhesion between the inner mold 41 and the side wall 13. The cable 3 is located between the two snap blocks 413, and the snap block 413 is located directly above the outer mold 43. The outer mold 43 and the snap block 413 cooperate with each other to strengthen the adhesion between the injection molded part 4 and the insulating shell 1.

[0042] The above detailed description is only an illustration 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 description and illustrations of this invention are included in the patent scope of this invention.

Claims

1. A cable connector, characterized in that: include: The insulating housing includes a receiving groove, two side walls located on the left and right sides of the receiving groove, and a bottom wall located below the receiving groove, wherein the receiving groove includes a first opening open upward, a second opening open downward, and a third opening open rearward; A conductive assembly is received in the receiving slot, the conductive assembly including a plurality of conductive elements arranged in a left-right direction, the conductive assembly also including a docking portion and a main body connected to the docking portion, the docking portion extends downward through the second opening to the outside of the receiving slot, and the main body is fixed to the receiving slot; a cable extending through the third opening into the receiving groove and connected to the main body; An injection molded part encapsulates conductive components and cables in a receiving groove. The injection molded part includes an inner mold located in the receiving groove, a connecting mold extending backward from the inner mold through the third opening to the outside of the receiving groove, and an outer mold extending forward from the connecting mold. The inner mold covers the first opening, the connecting mold covers the third opening, and the upper surface of the bottom wall is attached to the inner mold upward in the up and down directions, and the lower surface of the bottom wall is attached to the outer mold downward.

2. The cable connector according to claim 1, wherein: A plurality of convex parts extend downward from the lower surface of the bottom wall, the plurality of convex parts are arranged at intervals along the left-right direction, and the plurality of convex parts are attached to the outer mold.

3. The cable connector according to claim 2, wherein: The upper surface of the bottom wall is concavely provided with a plurality of concave portions, which are arranged in the left-right direction and attached to the inner mold, and the concave portions are at least partially aligned with the convex portions.

4. The cable connector according to claim 2, wherein: The multiple protrusions include two first protrusions located on the two outer sides respectively in the left and right directions and multiple second protrusions located between the two first protrusions. The size between the left surface of the bottom wall and the adjacent first protrusion in the left and right directions is larger than the size of the first protrusion. The outer mold is attached to the position between the left surface of the bottom wall and the adjacent first protrusion. The size between the right surface of the bottom wall and the adjacent first protrusion in the left and right directions is larger than the size of the first protrusion. The outer mold is attached to the position between the right surface of the bottom wall and the adjacent first protrusion.

5. The cable connector according to claim 1, wherein: A limit block protrudes toward each other from the two side walls along the left and right directions. The two limit blocks are located in the accommodating groove, and the main body is located between the two limit blocks. The two limit blocks jointly stop the main body from moving along the left and right directions, and the front and rear surfaces of the limit blocks are respectively attached to the inner mold.

6. The cable connector according to claim 5, wherein: Two buckle grooves are concavely arranged on each side wall, the limiting block is located between the two buckle grooves, and the inner mold is provided with a buckle block attached to the buckle groove.

7. The cable connector according to claim 1, wherein: A snap groove is respectively formed on the two side walls, and the inner mold is provided with a snap block attached to the snap groove. The cable is located between the two snap blocks, and the snap block is located above the outer mold.

8. The cable connector according to claim 1, wherein: The insulating shell also includes a front wall located in front of the accommodating groove, the front wall is provided with an installation groove, two side walls located on the left and right sides of the installation groove, a rear wall located behind the installation groove, and a connecting wall connecting the side walls and the side walls. The installation groove accommodates a locking member, and the inner mold includes a groove concave from front to back. Part of the side wall and the rear wall are accommodated in the groove, and the two side walls are attached to the inner mold respectively along the left and right directions, and the connecting wall is attached to the inner mold backward.

9. The cable connector according to claim 1, wherein: The insulating shell also includes a front wall located in front of the accommodating groove, the front wall is provided with an installation groove, two side walls located on the left and right sides of the installation groove and a rear wall located behind the installation groove, the installation groove accommodates a locking member, the rear wall is recessed with a through hole from front to back, the inner mold is recessed with a guide groove from front to back, the guide groove is located behind the through hole, a pull strap passes through the guide groove and the through hole and is connected to the locking member, the guide groove includes a guide bevel, the guide bevel is provided with a first edge and a second edge located behind the first edge, the first edge is lower than the second edge.

10. The cable connector according to claim 1, wherein: The size of the connecting mold along the left-right direction is greater than or equal to the size of the bottom wall, and the size of the outer mold along the left-right direction is greater than or equal to the size of the bottom wall.

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