Shell connector with terminals easy to assemble

Abstract

The housing connector comprises a housing, a base, a mounting support and a plurality of terminal assemblies, the mounting support comprises a plurality of support columns, a mounting plate and a clamping plate, the support columns are connected between the base and the mounting plate, the mounting plate is provided with a plurality of closed mounting circular holes in a penetrating manner along the insertion direction, and the terminal assemblies are inserted into the mounting circular holes. The clamping plate is provided with a plurality of semi-closed clamping grooves in a penetrating mode in the inserting direction, the clamping grooves are arranged in a single row in the arrangement direction, the terminal shells are installed in the installation round holes in a clearance fit mode, the straight walls and the V-shaped clamping walls are clamped with the corresponding straight clamping grooves of the terminal shells respectively, the installation plate is fixedly connected with the clamping plate, and the installation support and the terminal assemblies are located in the installation grooves. The beneficial effects of the utility model are that a plurality of terminal housings can be pre-installed at the same time through the installation plate and are clamped from a single side in cooperation with the clamping plate, so that the terminal housings can be conveniently assembled and disassembled, and the cable housings and the lead wire space are utilized to carry out buffer protection on cables, thereby improving the connection stability of the terminals.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a shell connector with easy-to-assemble terminals. Background Art

[0002] Connectors are a commonly used component in electrical engineering. Their function is to connect circuits on different devices or different modules in a circuit, so that current or signals can flow or be transmitted, and the circuit can achieve the intended function. When large currents such as 350A and 650A need to pass through, higher requirements are placed on the protection of the connector. In addition to improving the protection of the terminal housing, it is also necessary to improve the protection of the housing. At the same time, in view of the need for multi-channel expansion, it is necessary to arrange multiple terminal assemblies in one housing. While improving the overall protection, it is also necessary to improve the ease and stability of assembly of multiple terminals. Utility Model Content

[0003] The utility model aims to provide a shell connector with easy-to-assemble terminals.

[0004] In order to achieve the purpose of the utility model, the utility model provides a shell connector with easy-to-assemble terminals, including a shell and a base, wherein the shell is provided with a mounting groove penetrating along the plug-in direction, the cross-section of the mounting groove is arranged in a rectangular shape, and the mounting groove is provided with a plug-in port and a lead-in port at both ends of the plug-in direction, respectively, and the base is located at the lead-in port and fixedly connected to the shell; the shell connector also includes a mounting bracket and a plurality of terminal assemblies; the mounting bracket includes a plurality of supporting columns, a mounting plate and a card plate, the supporting columns extend along the plug-in direction, the mounting plate and the card plate are respectively perpendicular to the plug-in direction, a plurality of supporting columns are respectively arranged at the edges of the base, the supporting columns are connected between the base and the mounting plate, a plurality of closed mounting circular holes are penetrating along the plug-in direction of the mounting plate, the mounting circular holes are arranged in a single row along the arrangement direction, and a lead-in space is formed between the mounting plate and the base; a plurality of semi-enclosed card slots are penetrating along the plug-in direction of the card plate, the card slots are arranged in a single row along the arrangement direction, and a plurality of card slots are respectively provided with card slots arranged in the same direction, and each card slot is Straight walls are respectively provided on both sides of the arrangement direction, a V-shaped card wall is provided at the bottom of each card slot, and an insertion strip is formed between two adjacent straight walls; the terminal assembly includes a terminal shell, a cable shell, a cable and a conductive terminal, the terminal shell is penetrated with a terminal hole along the insertion direction, the conductive terminal is arranged in the terminal hole, the cable shell is penetrated with a cable hole along the insertion direction, and multiple cable shells are fixedly arranged on the base along the arrangement direction, a cable passes through a cable hole and extends into the lead space, an end of a cable is inserted into the terminal hole and connected with the conductive terminal; the terminal shell extends in a cylindrical shape, and the outer wall of the terminal shell is provided with multiple semi-enclosed straight card slots, and the multiple straight card slots extend along different radial directions. A terminal shell is installed in a mounting circular hole with a clearance fit, and a terminal shell is located in the card slot, and the straight wall and the V-shaped card wall are respectively engaged with the corresponding straight card slot, and an insertion strip is located between two adjacent terminal shells, the mounting plate and the card plate are fixedly connected, and the mounting bracket and multiple terminal assemblies are located in the mounting slot.

[0005] A further solution is that the mounting plate is provided with a first positioning hole at a corresponding position on the end of each support column, the clamping plate is provided with a second positioning hole at a corresponding position on the end of each support column, and the first connecting screw passes through the second positioning hole and the first positioning hole to be fixedly connected to the end of the support column.

[0006] A further solution is that a third positioning hole is provided at the outer end of the inserting strip, a fourth positioning hole is provided at the mounting plate at a position corresponding to the third positioning hole, and the second connecting screw passes through the third positioning hole and is fixedly connected to the fourth positioning hole.

[0007] A further solution is that a fifth positioning hole is provided at the inner base of the insert, a sixth positioning hole is provided at the mounting plate at a position corresponding to the fifth positioning hole, and the third connecting screw passes through the fifth positioning hole and is fixedly connected to the sixth positioning hole.

[0008] A further solution is that the card board is provided with a straight base extending along the arrangement direction, and a plurality of inserting strips are connected on the same side of the straight base.

[0009] A further solution is that a limiting step is provided on the inner wall of the installation groove at a side close to the insertion port, and the edges of the installation plate and the clamping plate are located on the inner side of the limiting step and cooperate with the limiting step.

[0010] A further solution is that a positioning boss is provided on the side of the base close to the lead-wire port, the positioning boss is arranged in an annular rectangular shape, a sealing groove is provided on the outer periphery of the positioning boss, a sealing ring is provided in the sealing groove, and a load-bearing end face is provided on the outer side of the sealing groove; the positioning boss is located in the mounting groove, the positioning boss and the inner wall clearance of the mounting groove are matched, the end face of the shell at the lead-wire port is adjacent to the load-bearing end face, and the end face of the shell at the lead-wire port is interference fit with the sealing ring.

[0011] A further solution is that a plurality of support columns are mounted on the positioning boss.

[0012] The beneficial effect of the utility model is that multiple terminal housings can be pre-installed at the same time through the mounting plate, and the clamping plate can be clamped in from one side, and the straight wall and the V-shaped clamping wall can be clamped in with the corresponding straight clamping groove respectively, thereby realizing the axial limit and clamping fixation of multiple terminal housings at the same time, and the fixing connection of each connecting screw can be coordinated to make the mounting plate and the clamping plate stably mounted on the support column, providing high-strength support for the plugging and unplugging of the terminal housing, and the clamping plate can be clamped in from one side to facilitate the assembly and disassembly of the terminal housing, and the cable housing and the lead space can be used to buffer and protect the cable, thereby improving the connection stability of the terminal, and the terminal housing and the inner and outer nesting protection of the housing can be combined to further improve the protection of the high-current connector. In addition, the assembly stability of the housing can be improved by using the positioning boss, and the protection can be improved by using the sealing ring, and the size of the lead space can be increased by installing the support column on the positioning boss, so as to facilitate the introduction and arrangement of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an assembly schematic diagram of an embodiment of the connector of the utility model.

[0014] Figure 2 It is an exploded view of an embodiment of the connector of the utility model.

[0015] Figure 3 It is a structural diagram of the terminal housing in the connector embodiment of the utility model.

[0016] Figure 4 It is a structural diagram of an embodiment of the connector of the utility model.

[0017] Figure 5 It is a cross-sectional view of an embodiment of the connector of the utility model.

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0019] Reference Figures 1 to 5 The shell connector 2 includes a shell 21, a base 22, a mounting bracket 3 and a plurality of terminal assemblies 4. The shell 21 is provided with a mounting groove 211 along the insertion direction Z. The cross section of the mounting groove 211 is arranged in a rectangular shape. The mounting groove 211 is provided with an insertion port 212 and a lead port 213 at both ends of the insertion direction Z.

[0020] The mounting bracket 3 includes a plurality of support columns 31, a mounting plate 32 and a card plate 33. The support columns 31 extend along the insertion direction Z. The mounting plate 32 and the card plate 33 are respectively perpendicular to the insertion direction Z. The plurality of support columns 31 are respectively arranged at the edges of the base 22. The base 22 is located at the lead-in port 213 and is fixedly connected to the housing 21. The base 22 is provided with a positioning boss 221 on one side close to the lead-in port 213. The positioning boss 221 is arranged in an annular rectangular shape. A sealing groove 222 is provided on the outer periphery of the positioning boss 221. A sealing ring is provided in the sealing groove 222. A bearing end surface 224 is provided on the outer side of the sealing groove 222.

[0021] The positioning boss 221 is located in the mounting groove 211, and the positioning boss 221 is clearance-matched with the inner wall of the mounting groove 211. The end face of the shell 21 at the lead-in port 213 is adjacent to the bearing end face 224. The end face of the shell 21 at the lead-in port 213 is interference-fitted with the sealing ring 223. A plurality of support columns 31 are installed on the positioning boss 221, and the support columns 31 are respectively located at the four corners of the positioning boss 221.

[0022] The support column 31 is connected between the base 22 and the mounting plate 32. The mounting plate 32 is provided with a plurality of closed mounting circular holes 321 along the insertion direction Z. The mounting circular holes 321 are arranged in a single row along the arrangement direction X, and a lead space is formed between the mounting plate 32 and the base 22.

[0023] The card plate 33 is provided with a straight base 331 extending along the arrangement direction X. The card plate 33 is provided with a plurality of semi-enclosed card slots 333 along the insertion direction Z. The card slots 333 are arranged in a single row along the arrangement direction X. The plurality of card slots 333 are respectively provided with card ports arranged in the same direction. Each card slot 333 is respectively provided with straight walls 334 on both sides of the arrangement direction X. A V-shaped card wall 335 is provided at the bottom of each card slot 333. An insertion strip 332 is formed between two adjacent straight walls 334. The plurality of insertion strips 332 are connected to the same side of the straight base 331.

[0024] The terminal assembly 4 includes a terminal housing 41, a cable housing 44, a sheath 45, a cable 43 and a conductive terminal 42. The terminal housing 41 is provided with a terminal hole 411 along the insertion direction Z, and the conductive terminal 42 is arranged in the terminal hole 411. The cable housing 44 is provided with a cable hole along the insertion direction Z. A plurality of cable housings 44 are fixedly arranged on the base 22 along the arrangement direction X. The cable housing 44 can fix the cable. A cable 43 passes through a cable hole and extends into the lead space. An end of a cable 43 passes through the sheath 45 and is inserted into the terminal hole 411 and is connected to the conductive terminal 42. The sheath 45 is fixed at the end of the terminal housing 41. The sheath 45 clamps and fixes the cable.

[0025] The terminal housing 41 extends in a cylindrical shape, and the outer wall of the terminal housing 41 is provided with a plurality of semi-enclosed straight card grooves 412, and the plurality of straight card grooves 412 extend along different radial directions. In the present embodiment, six straight card grooves 412 are provided, and the six straight card grooves 412 are arranged in a hexagonal shape. One terminal housing 41 is installed in a mounting circular hole 321 with a clearance fit, and one terminal housing 41 is located in the card groove 333. The card plate 33 is inserted from a single radial side toward the mounting circular hole 321, and the straight wall 334 and the V-shaped card wall 335 are respectively engaged with the corresponding straight card groove 412. An insertion strip 332 is located between two adjacent terminal housings 41, and the mounting plate 32 and the card plate 33 are fixedly connected.

[0026] The mounting plate 32 is provided with a first positioning hole 322 at a corresponding position of the end of each support column 31, and the clamping plate 33 is provided with a second positioning hole 338 at a corresponding position of the end of each support column 31, and the first connecting screw passes through the second positioning hole 338 and the first positioning hole 322 to be fixedly connected to the end of the support column 31.

[0027] A third positioning hole 336 is disposed at the outer end of the inserting strip 332 , and a fourth positioning hole 324 is disposed at a position corresponding to the third positioning hole 336 on the mounting plate 32 . The second connecting screw passes through the third positioning hole 336 and is fixedly connected to the fourth positioning hole 324 .

[0028] A fifth positioning hole 337 is disposed at the inner base of the inserting strip 332 , a sixth positioning hole 325 is disposed at a position corresponding to the fifth positioning hole 337 on the mounting plate 32 , and the third connecting screw passes through the fifth positioning hole 337 and is fixedly connected to the sixth positioning hole 325 .

[0029] The mounting bracket 3 and the plurality of terminal assemblies 4 are located in the mounting groove 211. The inner wall of the mounting groove 211 is provided with a limiting step 214 on the side close to the insertion port 212. The edges of the mounting plate 32 and the clamping plate 33 are located on the inner side of the limiting step 214 and are limitedly matched with the limiting step 214. Of course, the clamping plate 33 can also be arranged in a smaller area, which can also achieve the fixation of the terminal housing 41. The outer side of the housing 21 is used to connect with another connector 1. The connector 1 is provided with a plurality of connection terminals, and one connection terminal is used to connect with a conductive terminal 42 of a terminal housing 41.

[0030] As can be seen from the above, multiple terminal housings can be pre-installed at the same time through the mounting plate, and can be inserted from one side with the card plate, and the straight wall and the V-shaped card wall can be respectively engaged with the corresponding straight card groove, thereby realizing the axial limit and positioning fixation of multiple terminal housings at the same time, and in conjunction with the fixed connection of each connecting screw, the mounting plate and the card plate can be stably installed on the support column, providing high-strength support for the plugging and unplugging of the terminal housing, and the card plate can be inserted from one side to facilitate the assembly and disassembly of the terminal housing, and the cable housing and lead space can be used to buffer and protect the cable, thereby improving the connection stability of the terminal, and the terminal housing and the inner and outer nesting protection of the housing can be combined to further improve the protection of the high-current connector. In addition, the assembly stability of the housing can be improved by using the positioning boss, and the protection can be improved by using the sealing ring, and the size of the lead space can be increased by installing the support column on the positioning boss to facilitate the introduction and arrangement of the cable.

Claims

1. A shell connector with easy-to-assemble terminals, comprising a shell and a base, wherein the shell is provided with a mounting groove penetrating along the insertion direction, the cross section of the mounting groove is arranged in a rectangular shape, the mounting groove is provided with a plug-in port and a lead-in port at both ends of the insertion direction, the base is located at the lead-in port and is fixedly connected to the shell; Features: The housing connector also includes a mounting bracket and a plurality of terminal assemblies; The mounting bracket comprises a plurality of support columns, a mounting plate and a card plate, wherein the support columns extend along the insertion direction, the mounting plate and the card plate are respectively perpendicular to the insertion direction, the plurality of support columns are respectively arranged at the edge of the base, the support columns are connected between the base and the mounting plate, the mounting plate is provided with a plurality of closed mounting circular holes along the insertion direction, the mounting circular holes are arranged in a single row along the arrangement direction, and a lead space is formed between the mounting plate and the base; The card board is provided with a plurality of semi-enclosed card slots along the insertion direction, the card slots are arranged in a single row along the arrangement direction, the plurality of card slots are respectively provided with card slots arranged in the same direction, each of the card slots is respectively provided with straight walls on both sides of the arrangement direction, a V-shaped card wall is provided at the bottom of each of the card slots, and an insertion strip is formed between two adjacent straight walls; The terminal assembly comprises a terminal housing, a cable housing, a cable and a conductive terminal, wherein the terminal housing is provided with a terminal hole along the insertion direction, the conductive terminal is arranged in the terminal hole, the cable housing is provided with a cable hole along the insertion direction, a plurality of cable housings are fixedly arranged on the base along the arrangement direction, one cable passes through one cable hole and extends into the lead space, an end of one cable is inserted into the terminal hole and connected to the conductive terminal; The terminal shell extends in a cylindrical shape, and the outer wall of the terminal shell is provided with a plurality of semi-enclosed straight card grooves, and the plurality of straight card grooves extend along different radial directions. One terminal shell is installed in a mounting circular hole with a clearance fit, and one terminal shell is located in the card groove. The straight wall and the V-shaped card wall are respectively engaged with the corresponding straight card groove, and one insertion strip is located between two adjacent terminal shells. The mounting plate and the card plate are fixedly connected, and the mounting bracket and the plurality of terminal assemblies are located in the mounting groove.

2. The housing connector according to claim 1, characterized in that: The mounting plate is provided with a first positioning hole at a corresponding position of the end of each support column, and the clamping plate is provided with a second positioning hole at a corresponding position of the end of each support column, and a first connecting screw passes through the second positioning hole and the first positioning hole to be fixedly connected to the end of the support column.

3. The housing connector according to claim 2, characterized in that: A third positioning hole is arranged at the outer end of the inserting strip, a fourth positioning hole is arranged at a position corresponding to the third positioning hole on the mounting plate, and a second connecting screw passes through the third positioning hole and is fixedly connected to the fourth positioning hole.

4. The housing connector according to claim 3, characterized in that: The inner base of the insert strip is provided with a fifth positioning hole, the mounting plate is provided with a sixth positioning hole at a position corresponding to the fifth positioning hole, and the third connecting screw passes through the fifth positioning hole and is fixedly connected to the sixth positioning hole.

5. The housing connector according to claim 1, characterized in that: The card board is provided with a straight base extending along the arrangement direction, and a plurality of the inserting strips are connected on the same side of the straight base.

6. The housing connector according to claim 1, characterized in that: The inner wall of the installation groove is provided with a limiting step at a side close to the insertion port, and the edges of the installation plate and the clamping plate are located on the inner side of the limiting step and are limitedly matched with the limiting step.

7. The housing connector according to any one of claims 1 to 6, characterized in that: The base is provided with a positioning boss on one side close to the lead-in port, the positioning boss is arranged in an annular rectangular shape, a sealing groove is provided on the outer periphery of the positioning boss, a sealing ring is provided in the sealing groove, and a bearing end surface is provided on the outer side of the sealing groove; The positioning boss is located in the installation groove, the positioning boss is clearance-matched with the inner wall of the installation groove, the end face of the shell at the lead-in port is adjacent to the bearing end face, and the end face of the shell at the lead-in port is interference-fitted with the sealing ring.

8. The housing connector according to claim 7, characterized in that: A plurality of support columns are mounted on the positioning boss.

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