High-strength protective jack type cable connector

Abstract

The utility model provides a high-strength protective jack type cable connector, which comprises a connecting shell, a terminal shell, a conductive column, a compression ring and a bottom cover, the terminal shell is fixed from the outer side through the compression ring and a mounting ring, and then the terminal shell and the conductive column are fixed from the inner side through the bottom cover, so that the overall strength of the whole cable connector is improved, and the service life of the cable connector is prolonged. The terminal housing and the bottom cover are fixed in an internal and external nested manner, so that the protection performance at the wiring position can be improved, the arrangement of the protection wall and the insulating part at the outer end part of the guide rod are matched, the non-contact with the conductive column can be avoided, and the connection between the terminal housing and the bottom cover can be realized through the guide of the guide rod and the connection cooperation of the conductive elastic sheet. Therefore, the jack type cable connector is smoother and more stable in connection.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a high-strength protective jack-type cable connector. Background Art

[0002] A connector is a commonly used component in electrical engineering. Its function is to connect circuits on different devices or different modules in a circuit, so that current or signals can flow or be transmitted, so that the circuit can achieve its intended function.

[0003] In the production and development of connector products, the new national standard requires that the maximum charging current on the DC charging interface be increased to 800A. To this end, higher requirements are placed on the protection of the connector, especially the protection and structural stability at the conductive terminals. It is also necessary to focus on how to prevent accidental touches at the connector interface to improve the safety of the connector. Utility Model Content

[0004] The first object of the utility model is to provide a high-strength protective jack-type cable connector.

[0005] In order to achieve the first purpose of the utility model, the utility model provides a high-strength protective jack-type cable connector, including a connecting shell, a terminal shell, a conductive column, a pressure ring and a bottom cover. The connecting shell is provided with a first mounting hole along the plug-in direction, and the first mounting hole is provided with a plurality of mounting card slots at the inner end of the plug-in direction. The openings of the plurality of mounting card slots are arranged outward along the plug-in direction. The terminal shell is provided with a second mounting hole along the plug-in direction, and the second mounting hole is provided with a positioning ring platform at the outer end of the plug-in direction. The outer wall of the terminal shell is provided with a plurality of mounting card blocks and a plurality of buckle card blocks. The plurality of buckle card blocks are all located on the inner side of the plurality of mounting card blocks based on the plug-in direction. The outer part of the terminal shell is installed in the first mounting hole. The conductive column is provided with a socket at the outer end in the insertion direction, and a guide column extending along the insertion direction is provided on the bottom wall of the socket. An insulating member is provided on the outer end of the guide column. The conductive column is installed in the second mounting hole, and the outer end of the conductive column is adjacent to the positioning ring stage. The pressure ring is installed in the first mounting hole with an interference fit, and the mounting block is adjacent to the outer side of the pressure ring. The bottom cover is provided with a third mounting hole along the insertion direction, and a plurality of snap-fit ​​grooves are provided on the outer wall of the bottom cover. A limiting convex edge is provided on the inner end of the third mounting hole in the insertion direction. The inner part of the terminal housing is installed in the third mounting hole, and the snap-fit ​​groove is snap-fitted with the snap-fit ​​block. The inner end of the conductive column passes through the third mounting hole, and the limiting convex edge is limitedly matched with the limiting step of the inner end of the terminal housing and the outer wall of the conductive column.

[0006] A further solution is that a mounting ring is fixedly provided on the outer wall of the terminal housing, and a plurality of mounting blocks are located on the outer wall of the mounting ring.

[0007] A further solution is that both the mounting block and the mounting slot are arranged to extend in an arc shape.

[0008] A further solution is that a plurality of mating blocks and a receiving protrusion extending in the circumferential direction are provided on the outer wall of the terminal housing, the plurality of mating blocks are located on the inner side of the receiving protrusion based on the insertion direction, a mating groove is provided on the inner wall of the mounting ring, the mating blocks are interference fit with the mating groove, and the mounting ring is adjacent to the receiving protrusion.

[0009] A further solution is that the bottom cover is provided with a deformation groove between two adjacent buckling grooves, the deformation groove extends along the insertion direction, and an opening is provided at the outer end of the deformation groove in the insertion direction.

[0010] A further solution is that a protective ring wall is provided on the outer side of the terminal housing on the positioning ring platform based on the insertion direction, the protective ring wall encloses a protective hole, the diameter of the protective hole is smaller than the diameter of the second mounting hole, the protective hole is connected to the insertion hole, and the insulating part is located in the protective hole.

[0011] A further solution is that the inner wall of the jack is provided with a mounting ring groove, a circle of conductive spring sheets is provided in the mounting ring groove, and the conductive spring sheets are located on the outer periphery of the guide column.

[0012] A further solution is that the cable connector also includes a terminal, which includes a terminal block and a wire clamping sleeve connected to each other, the terminal block is fixedly connected to the inner end of the conductive column, and the wire clamping sleeve extends along the lead direction, and the lead direction is perpendicular to the insertion direction.

[0013] The beneficial effect of the utility model is that the terminal housing is first fixed from the outside by the pressure ring and the installation ring, and then the terminal housing and the conductive column are fixed from the inside by the bottom cover, thereby improving the overall strength of the entire cable connector, and the terminal housing and the bottom cover are fixed in an inner and outer nested manner to improve the protection at the wiring position, and the setting of the protective wall and the insulating member at the outer end of the guide rod can avoid contact with the conductive column, and the guidance of the guide rod and the connection of the conductive spring piece make the connection of the jack type cable connector smoother and more stable. And the outlet direction of the cable can be changed through the wiring terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an assembly schematic diagram of an embodiment of the cable connector of the utility model.

[0015] Figure 2 It is an assembly exploded view of an embodiment of the cable connector of the utility model.

[0016] Figure 3 It is a structural diagram of an embodiment of the cable connector of the utility model.

[0017] Figure 4It is an exploded view of an embodiment of the cable connector of the utility model.

[0018] Figure 5 It is a structural diagram of a connecting shell in an embodiment of a cable connector of the utility model.

[0019] Figure 6 It is a cross-sectional view of an embodiment of the cable connector of the utility model.

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0021] Reference Figures 1 to 6 The cable connector 2 includes a connection shell 21, a terminal shell 22, a conductive column 23, a pressure ring 27 and a bottom cover 24. The connection shell 21 is provided with a first mounting hole 211 along the insertion direction Z. The first mounting hole 211 is provided with a plurality of mounting slots 212 at the inner end of the insertion direction Z. The plurality of mounting slots 212 are distributed along the circumferential direction. The openings of the plurality of mounting slots 212 are arranged outward along the insertion direction Z. The outer periphery of the first mounting hole 211 has a shell wall 214. Flanges 213 are provided on both sides of the shell wall 214. The connection shell 21 is made of metal material. The hole wall of the first mounting hole 211 of the connection shell 21 and the shell wall 214 are both coated with an insulating layer, while the flange 213 is not sprayed with an insulating layer. Therefore, the flange 213 can be connected to the external ground through the connection of screws without the need for the arrangement of an additional grounding wire.

[0022] The terminal housing 22 is provided with a second mounting hole 221 along the insertion direction Z, and a positioning ring platform 226 is provided at the outer end of the second mounting hole 221 in the insertion direction Z. The terminal housing 22 is provided with a protective ring wall 225 on the outer side of the positioning ring platform 226 based on the insertion direction Z, and the protective ring wall 225 surrounds a protective hole 227, and the diameter of the protective hole 227 is smaller than the diameter of the second mounting hole 221. The outer wall of the terminal housing 22 is provided with a plurality of snap-fit ​​blocks 222, and the plurality of snap-fit ​​blocks 222 are all located on the inner side of the plurality of mounting blocks 262 based on the insertion direction Z. The outer wall of the terminal housing 22 is provided with a plurality of matching blocks 222 and a receiving convex edge 223 extending in the circumferential direction, and the plurality of matching blocks 222 are located on the inner side of the receiving convex edge 223 based on the insertion direction Z. A mounting ring 26 is fixedly provided on the outer wall of the terminal housing 22, and a plurality of mounting blocks 262 are provided on the outer wall of the mounting ring 26, and the mounting blocks 262 and the mounting groove 212 are both arranged in an arc shape. A matching groove 261 is provided on the inner wall of the mounting ring 26, and the matching blocks 222 are interference-fitted with the matching groove 261, and the mounting ring 26 is adjacent to the receiving convex edge 223. The outer portion of the terminal housing 22 is installed in the first installation hole 211 , the installation block 262 is clearance-fitted with the installation slot 212 , the pressure ring 27 is interference-fitted in the first installation hole 211 , and the installation block 262 is adjacent to the outer side of the pressure ring 27 .

[0023] The conductive column 23 is provided with a socket 235 at the outer end in the insertion direction Z, and the bottom wall of the socket 235 is provided with a guide column 236 extending along the insertion direction Z, and the outer end of the guide column 236 is provided with an insulating member 237. The conductive column 23 is installed in the second mounting hole 221, and the outer end 231 of the conductive column 23 is adjacent to the positioning ring stage 226. The protective hole 227 is connected to the socket 235, and the insulating member 237 is located in the protective hole 227. The inner wall of the socket 235 is provided with a mounting ring groove, and a circle of conductive spring clips 238 is provided in the mounting ring groove. The conductive spring clips 238 are located on the outer periphery of the guide column 236.

[0024] The bottom cover 24 is provided with a third mounting hole 241 along the insertion direction Z, and the outer wall of the bottom cover 24 is provided with a plurality of snap-fitting slots 241. The inner wall of the third mounting hole 241 is provided with a limiting convex edge 242 at the inner end in the insertion direction Z. The inner part of the terminal housing 22 is installed in the third mounting hole 241, and the snap-fitting slot 241 is engaged with the snap-fitting block 222. The inner end 232 of the conductive column 23 passes through the third mounting hole 241, and the limiting convex edge 242 is limitedly matched with the inner end of the terminal housing 22 and the limiting step 234 of the outer wall of the conductive column 23. The bottom cover 24 is provided with a deformation groove 242 between two adjacent snap-fitting slots 241. The deformation groove 242 extends along the insertion direction Z, and the deformation groove 242 is provided with an opening at the outer end in the insertion direction Z.

[0025] The cable connector 2 also includes a terminal block 25, which includes a terminal block 251 and a wire clamping sleeve 252 that are connected to each other. The terminal block 251 is fixedly connected to the inner end 232 of the conductive column 23 by a connecting screw 253. The wire clamping sleeve 252 extends along the lead direction. The wire clamping sleeve 252 is used to clamp and fix the cable. The lead direction is perpendicular to the insertion direction Z. The outer end 231 of the conductive column 23 is used to be electrically connected to the conductive terminal in another connector 1.

[0026] Of course, in addition to the above embodiments, there may be more variations in the design of the terminal housing 22, such as directly setting a mounting block on the outer wall of the terminal housing 22, and by matching the clearance between the mounting block and the mounting slot, and cooperating with the pressure and fixation of the pressing ring, the terminal housing can also be fixed.

[0027] As can be seen from the above, the terminal housing is fixed from the outside through the pressure ring and the installation ring, and the terminal housing and the conductive column are fixed from the inside through the bottom cover, thereby improving the overall strength of the entire cable connector, and the terminal housing and the bottom cover are fixed in an inner and outer nested manner to improve the protection at the wiring position, and the setting of the protective wall and the insulating member at the outer end of the guide rod can avoid contact with the conductive column, and the guidance of the guide rod and the connection of the conductive spring make the connection of the jack type cable connector smoother and more stable. And the outlet direction of the cable can be changed through the wiring terminal.

Claims

1. A high-strength protective jack-type cable connector, characterized in that: include: A connecting shell, wherein the connecting shell is provided with a first mounting hole through it along the plug-in direction, wherein the first mounting hole is provided with a plurality of mounting slots at an inner end thereof in the plug-in direction, and the openings of the plurality of mounting slots are arranged outwardly along the plug-in direction; A terminal housing, wherein the terminal housing is provided with a second mounting hole through-through along the insertion direction, a positioning ring is provided at an outer end of the second mounting hole in the insertion direction, a plurality of mounting blocks and a plurality of snap-fit ​​blocks are provided on an outer wall of the terminal housing, a plurality of snap-fit ​​blocks are all located on a side of the plurality of mounting blocks that is closer to the inside of the insertion direction, an outer portion of the terminal housing is installed in the first mounting hole, and the mounting block is clearance-matched with the mounting slot; A conductive column, wherein an insertion hole is provided at an outer end of the conductive column in the insertion direction, a guide column extending along the insertion direction is provided on the bottom wall of the insertion hole, an insulating member is provided at the outer end of the guide column, the conductive column is installed in the second installation hole, and the outer end of the conductive column is adjacent to the positioning ring stage; A pressing ring, the pressing ring is installed in the first mounting hole by interference fit, and the mounting block is adjacent to the outer side of the pressing ring; A bottom cover, wherein a third mounting hole is provided through the bottom cover along the insertion direction, a plurality of snap-fit ​​slots are provided on the outer wall of the bottom cover, a limiting convex edge is provided on the inner wall of the third mounting hole at the inner end in the insertion direction, the inner part of the terminal shell is installed in the third mounting hole, the snap-fit ​​slot is engaged with the snap-fit ​​block, the inner end of the conductive column passes through the third mounting hole, and the limiting convex edge is limitedly matched with the inner end of the terminal shell and the limiting step of the outer wall of the conductive column.

2. The cable connector according to claim 1, characterized in that: A mounting ring is fixedly arranged on the outer wall of the terminal housing, and a plurality of mounting blocks are located on the outer wall of the mounting ring.

3. The cable connector according to claim 2, characterized in that: The installation block and the installation slot are both arranged to extend in an arc shape.

4. The cable connector according to claim 2, characterized in that: A plurality of mating blocks and a receiving protrusion extending in the circumferential direction are arranged on the outer wall of the terminal housing, the plurality of mating blocks are located on the inner side of the receiving protrusion based on the insertion direction, a mating groove is arranged on the inner wall of the mounting ring, the mating blocks are interference fit with the mating groove, and the mounting ring is adjacent to the receiving protrusion.

5. The cable connector according to claim 1, characterized in that: The bottom cover is provided with a deformation groove between two adjacent buckling grooves, the deformation groove extends along the insertion direction, and an opening is provided at the outer end of the deformation groove in the insertion direction.

6. The cable connector according to any one of claims 1 to 5, characterized in that: The terminal housing is provided with a protective ring wall on the outer side of the positioning ring platform based on the insertion direction, the protective ring wall encloses a protective hole, the diameter of the protective hole is smaller than the diameter of the second mounting hole, the protective hole is connected to the insertion hole, and the insulating member is located in the protective hole.

7. The cable connector according to claim 6, characterized in that: The inner wall of the jack is provided with a mounting ring groove, a circle of conductive spring sheets is provided in the mounting ring groove, and the conductive spring sheets are located at the outer periphery of the guide column.

8. The cable connector according to any one of claims 1 to 5, characterized in that: The cable connector also includes a terminal, which includes a terminal block and a wire clamping sleeve connected to each other, the terminal block is fixedly connected to the inner end of the conductive column, and the wire clamping sleeve extends along the lead direction, which is perpendicular to the insertion direction.

Images