Connector with high-strength insulating cap

Abstract

The utility model provides a connector with a high-strength insulation cap, which comprises a terminal shell, a fixed lantern ring, a conductive column, a wiring terminal, an insulation cap and a support frame, the terminal shell is provided with a terminal hole along the insertion direction in a penetrating manner, the conductive column is fixedly mounted in the terminal hole, the fixed lantern ring is sleeved outside the terminal shell, the support frame is sleeved outside the fixed lantern ring, and the wiring terminal is fixedly mounted in the terminal hole. The insulation cap is sleeved outside the wiring terminal and the supporting frame, the lead opening is sleeved outside the wire clamping sleeve and the longitudinal arm, the buckle is clamped with the bayonet, and the inserting opening is sleeved outside the supporting lantern ring. The mounting and positioning of the support frame are realized by using a nested mounting mode, and the high-strength stable mounting of the support frame and the insulating cap is realized by matching with the clamping of the buckle and the bayonet.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a connector with a high-strength insulating cap. Background Art

[0002] Connectors are commonly used components 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 transmit, and the circuit can achieve the intended function. When a large current such as 650A needs to pass, higher requirements are placed on the protection of the connector, especially the need to improve the protection level at the wiring position of the line nose and the need to improve the installation structure strength of the insulation cap. Utility Model Content

[0003] The utility model aims to provide a connector with a high-strength insulating cap.

[0004] In order to achieve the purpose of the utility model, the utility model provides a connector with a high-strength insulating cap, including a terminal shell, a fixing collar, a conductive column and a wiring terminal, the terminal shell is provided with a terminal hole through-through along the insertion direction, the conductive column is fixedly installed in the terminal hole, the conductive column is provided with a conductive end at one end facing outward, and the conductive column is provided with a wiring terminal at one end facing inward; a plurality of first clamping blocks are provided on the outer peripheral wall of the terminal shell, the fixing collar is provided with a first positioning hole through-through along the insertion direction, the inner wall of the first positioning hole is provided with a limiting convex edge at one end facing inward in the insertion direction, and the fixing collar is provided with a first positioning hole through-through along the insertion direction. The outer circumferential wall of the ring is provided with a plurality of second blocks at one end facing outward in the insertion direction, and the second block is provided with a first slot in the radial direction, and the cross section of the second block is larger than the cross section of the first block, the fixed collar is sleeved outside the terminal shell, the conductive column passes through the first positioning hole, the first clamping block is engaged with the first slot, and the limiting convex edge is limitedly matched with the limiting step of the outer wall of the conductive column; the connector also includes an insulating cap and a support frame, the support frame includes a support collar and a support arm, the support collar is provided with a second positioning hole in the insertion direction, and the radial circumferential wall of the second positioning hole is penetrated with a plurality of second slots, and the support arm The support arm includes a transverse arm extending in the lead direction and a longitudinal arm extending in the insertion direction, the transverse arm is connected to the longitudinal arm, the fixed end of the transverse arm is connected to the outer wall of the support collar, a buckle is arranged on the free end of the longitudinal arm, the second positioning hole is sleeved outside the fixed collar, the second clamping block is located in the second clamping groove and is engaged with the second clamping groove; the insulating cap is provided with an L-shaped through groove, the L-shaped through groove is provided with an insertion opening at the first end in the insertion direction, the L-shaped through groove is provided with a first end sealing wall at the second end in the insertion direction, the L-shaped through groove is provided with a lead opening at the first end in the lead direction, and the L-shaped through groove is provided with a lead opening at the first end in the lead direction. The second end is provided with a second end sealing wall, the first end sealing wall is connected to the second end sealing wall, side sealing walls are provided on both sides of the first end sealing wall and the second end sealing wall, each side sealing wall is connected to the first end sealing wall and the second end sealing wall, and the first end sealing wall is provided with a bayonet; the wiring terminal includes a wiring board and a wire clamping sleeve connected to each other, the wiring board is fixedly connected to the wiring terminal, the wire clamping sleeve extends along the lead direction, the lead direction is perpendicular to the insertion direction, the wiring terminal and the wiring board are located inside the L-shaped through groove, the lead open end is sleeved outside the wire clamping sleeve and the longitudinal arm, the buckle is engaged with the bayonet, and the inserted open end is sleeved outside the support ring.

[0005] A further solution is that the supporting ring is provided with a first deformation groove between two adjacent second grooves.

[0006] A further solution is that a second deformation groove is provided on the outer peripheral wall of the fixing collar between two adjacent second clamping blocks, and the first deformation groove is radially connected to the second deformation groove.

[0007] A further solution is that the second clamping slot is provided with side walls on both sides in the radial direction, and the second clamping slot is provided with a bottom wall at one end facing outward in the insertion direction, and the bottom wall is adjacent to the second clamping block.

[0008] A further solution is that the support frame includes two support arms, the fixed ends of the cross arms of the two support arms are respectively connected to the radial sides of the support ring, the first end sealing wall is provided with two bayonet holes, the buckle on one side is engaged with the bayonet on the other side, and the wire clamping sleeve is located between the two longitudinal arms.

[0009] A further solution is that the longitudinal arm and the bayonet are both close to the lead opening.

[0010] A further solution is that a first guiding inclined surface is provided at one end of the first clamping block facing inward in the insertion direction.

[0011] A further solution is that a second guiding inclined surface is provided at one end of the second clamping block facing inward in the insertion direction.

[0012] A further solution is that a positioning block is provided at one end of the support frame facing outward in the insertion direction, and a positioning groove is provided at one end of the insulating cap facing outward in the insertion direction, and the positioning block and the positioning groove are clearance-matched.

[0013] The beneficial effects of the utility model are as follows: firstly, the conductive column is installed and fixed by the engagement of the first clamping block with the first clamping slot and the limiting effect of the limiting convex edge, and then the second clamping block is engaged with the second clamping slot, and a nested installation method is used to realize the installation and positioning of the support frame, and the engagement of the buckle with the bayonet is coordinated to realize the high-strength and stable installation of the support frame and the insulating cap, and then the coordination of the positioning block with the positioning slot and the support of the two support arms further improves the installation position stability of the support frame and the insulating cap. In addition, the first guide bevel and the second guide bevel are used to optimize the installation of the fixing ring and the support frame. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a structural diagram of the connector embodiment of the utility model after the insulating cap is omitted.

[0016] Figure 3 It is an exploded view of an embodiment of the connector of the utility model.

[0017] Figure 4 It is a cross-sectional view of the first card block of the connector embodiment 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 4The connector 2 includes a terminal shell 21, a fixing ring 23, a conductive column 22, a terminal 24, an insulating cap 26 and a support frame 25. The terminal shell 21 is provided with a terminal hole 211 along the insertion direction Z. The conductive column 22 is fixedly installed in the terminal hole 211. The conductive column 22 is provided with a conductive end 221 at the outward end, and a terminal 222 at the inward end. The outward end is the side close to the other connector 1, and the inward end is the side away from the other connector 1. A plurality of first clamping blocks 212 are provided on the outer peripheral wall of the terminal shell 21. The plurality of first clamping blocks 212 are evenly distributed along the circumferential direction. The first clamping block 212 is provided with a first guiding inclined surface 213 at the inward end of the insertion direction Z.

[0020] The fixing collar 23 is provided with a first positioning hole 231 along the insertion direction Z, and the inner wall of the first positioning hole 231 is provided with a limiting convex edge 236 at one end facing inward in the insertion direction Z, and the limiting convex edge 236 extends in the circumferential direction. The outer peripheral wall of the fixing collar 23 is provided with a plurality of second clamping blocks 232 at one end facing outward in the insertion direction Z, and the second clamping block 232 is provided with a second guiding inclined surface 234 at one end facing inward in the insertion direction Z. The second clamping block 232 is provided with a first clamping groove 233 radially through the middle part. The second clamping block 232 The cross-section of the first clamping block 212 is larger than that of the first clamping block 212. The supporting ring 250 is provided with a first deformation groove 253 between two adjacent second clamping grooves 252. The fixing ring 23 is sleeved on the outside of the terminal shell 21. The conductive column 22 passes through the first positioning hole 231. The inner wall of the first positioning hole 231 slides with the first guide slope 213. The first clamping block 212 is engaged with the first clamping groove 233. The limiting protrusion 236 is limitedly matched with the limiting step 223 of the outer wall of the conductive column 22 to realize the installation and positioning of the conductive column 22.

[0021] The support frame 25 includes a support ring 250 and two support arms 255. The support ring 250 is provided with a second positioning hole 251 along the insertion direction Z. The radial circumferential wall of the second positioning hole 251 is penetrated by a plurality of second slots 252. The second slots 252 are provided with side walls on both radial sides. The second slots 252 are provided with a bottom wall 259 at the end facing outward in the insertion direction Z. The outer circumferential wall of the fixed ring 23 is provided with a second deformation groove 235 between two adjacent second blocks 232. The support frame 25 is provided with a positioning block 254 at the end facing outward in the insertion direction Z. The positioning block 254 is located at the end facing outward in the insertion direction Z of the second deformation groove 235.

[0022] The support arm 255 includes a horizontal arm 256 extending along the lead direction X and a longitudinal arm 257 extending along the insertion direction Z. The horizontal arm 256 is connected to the longitudinal arm 257. The fixed ends of the horizontal arms 256 of the two support arms 255 are respectively connected to the radial sides of the support collar 250. The free ends of the longitudinal arms 257 are provided with buckles 258. The support collar 250 is sleeved outside the fixing collar 23, the bottom wall 259 and, that is, the second positioning hole 251 is sleeved outside the fixing collar 23, the second clamping block 232 is located in the second clamping groove 252 and is clamped with the second clamping groove 252, the bottom wall 259 is adjacent to the second clamping block 232, and the first deformation groove 253 is radially connected with the second deformation groove 235.

[0023] The insulating cap 26 is provided with an L-shaped through groove 260, and the L-shaped through groove 260 is provided with an insertion opening 267 at the first end of the insertion direction Z, and the L-shaped through groove 260 is provided with a first end sealing wall 261 at the second end of the insertion direction Z, and the L-shaped through groove 260 is provided with a lead opening 265 at the first end of the lead direction X, and the L-shaped through groove 260 is provided with a second end sealing wall 262 at the second end of the lead direction X, the first end sealing wall 261 is connected to the second end sealing wall 262, and side sealing walls 263 are provided on both sides of the first end sealing wall 261 and the second end sealing wall 262, and each side sealing wall 263 is connected to the first end sealing wall 261 and the second end sealing wall 262, and the first end sealing wall 261 is provided with two bayonet holes 268.

[0024] The terminal 24 includes a wiring board 241 and a wire clamping sleeve 242 connected to each other. The wiring board 241 is fixedly connected to the terminal 222 by screws 243. The wire clamping sleeve 242 extends along the lead direction X, which is perpendicular to the insertion direction Z. The insulating cap 26 is sleeved outside the terminal 24 and the support frame 25. The terminal 222 and the wiring board 241 are located inside the L-shaped through groove 260. The longitudinal arm 257 and the bayonet 268 are both close to the lead opening 265. The buckle 258 on one side is engaged with the bayonet 268 on one side. The wire clamping sleeve 242 is located between the two longitudinal arms 257. The lead opening 265 is sleeved outside the wire clamping sleeve 242 and the longitudinal arm 257. The insertion opening 267 is sleeved outside the support ring 250. A positioning groove 264 is provided at one end of the insulating cap 26 facing outward in the insertion direction Z. The positioning block 254 is gap-matched with the positioning groove 264.

[0025] The connecting shell 271 is provided with an assembly hole along the insertion direction Z, the terminal shell 21 is installed in the assembly hole, the mounting block 214 of the terminal shell 21 is installed in the assembly hole, the assembly snap ring 272 is installed in the assembly hole with interference fit, and is limitedly matched with the mounting block 214, thereby realizing the fixed installation of the terminal shell 21, the inner side of the connecting shell 271 is used to connect with a fixed object, a fixed plate or a fixed shell, and the outer side of the connecting shell 271 is used to connect with another connector 1, and a connecting terminal is provided in the connector 1, and the connecting terminal is used to connect with the conductive end 221.

[0026] As can be seen from the above, the conductive column is installed and fixed by the engagement of the first clamping block with the first clamping slot and the limiting effect of the limiting convex edge, and the second clamping block is engaged with the second clamping slot, and a nested installation method is used to achieve the installation and positioning of the support frame, and the engagement of the buckle with the bayonet is coordinated to achieve high-strength and stable installation of the support frame and the insulating cap, and the coordination of the positioning block with the positioning slot and the support of the two support arms further improves the installation position stability of the support frame and the insulating cap. In addition, the first guide bevel and the second guide bevel are used to optimize the installation of the fixing ring and the support frame.

Claims

1. A connector with a high-strength insulating cap, comprising a terminal shell, a fixing collar, a conductive column and a wiring terminal, wherein the terminal shell is provided with a terminal hole through it along the insertion direction, the conductive column is fixedly installed in the terminal hole, the conductive column is provided with a conductive end at one end facing outward, and the conductive column is provided with a wiring terminal at one end facing inward; Features: A plurality of first clamping blocks are arranged on the outer peripheral wall of the terminal shell, a first positioning hole is penetrated through the fixing collar along the insertion direction, a limiting convex edge is arranged on the inner wall of the first positioning hole at one end facing inward in the insertion direction, a plurality of second clamping blocks are arranged on the outer peripheral wall of the fixing collar at one end facing outward in the insertion direction, a first clamping groove is arranged on the second clamping block in the radial direction, a cross section of the second clamping block is larger than a cross section of the first clamping block, the fixing collar is sleeved outside the terminal shell, the conductive column passes through the first positioning hole, the first clamping block is engaged with the first clamping groove, and the limiting convex edge is limitedly matched with the limiting step of the outer wall of the conductive column; The connector also includes an insulating cap and a support frame, the support frame includes a support collar and a support arm, the support collar is provided with a second positioning hole along the insertion direction, a plurality of second card slots are penetrated through the radial peripheral wall of the second positioning hole, the support arm includes a transverse arm extending along the lead direction and a longitudinal arm extending along the insertion direction, the transverse arm is connected to the longitudinal arm, the fixed end of the transverse arm is connected to the outer wall of the support collar, a buckle is provided on the free end of the longitudinal arm, the second positioning hole is sleeved outside the fixed collar, the second card block is located in the second card slot and engaged with the second card slot; The insulating cap is provided with an L-shaped through groove, the L-shaped through groove is provided with an insertion opening at the first end in the insertion direction, the L-shaped through groove is provided with a first end sealing wall at the second end in the insertion direction, the L-shaped through groove is provided with a lead opening at the first end in the lead direction, the L-shaped through groove is provided with a second end sealing wall at the second end in the lead direction, the first end sealing wall is connected to the second end sealing wall, side sealing walls are provided on both sides of the first end sealing wall and the second end sealing wall, each side of the side sealing wall is connected to the first end sealing wall and the second end sealing wall, and the first end sealing wall is provided with a bayonet; The wiring terminal includes a wiring board and a wire clamping sleeve that are connected to each other. The wiring board is fixedly connected to the wiring terminal. The wire clamping sleeve extends along the lead direction, and the lead direction is perpendicular to the insertion direction. The wiring terminal and the wiring board are located inside the L-shaped through groove, and the lead opening is sleeved outside the wire clamping sleeve and the longitudinal arm. The buckle is engaged with the bayonet, and the insertion opening is sleeved outside the support ring.

2. The connector according to claim 1, characterized in that: The supporting collar is provided with a first deformation groove between two adjacent second grooves.

3. The connector according to claim 2, characterized in that: The outer peripheral wall of the fixing collar is provided with a second deformation groove between two adjacent second clamping blocks, and the first deformation groove is connected with the second deformation groove in radial direction.

4. The connector according to claim 1, characterized in that: The second clamping slot is provided with side walls on both sides in the radial direction, and the second clamping slot is provided with a bottom wall at one end facing outward in the insertion direction, and the bottom wall is adjacent to the second clamping block.

5. The connector according to claim 1, characterized in that: The support frame includes two support arms, and the fixed ends of the cross arms of the two support arms are respectively connected to the radial sides of the support ring. The first end sealing wall is provided with two bayonet holes, and the buckle on one side is engaged with the bayonet hole on the other side. The wire clamping sleeve is located between the two longitudinal arms.

6. The connector according to claim 5, characterized in that: The longitudinal arm and the bayonet are both close to the lead opening.

7. The connector according to claim 1, characterized in that: The first clamping block is provided with a first guiding inclined surface at one end facing inward in the insertion direction.

8. The connector according to claim 1, characterized in that: The second clamping block is provided with a second guiding inclined surface at one end facing inward in the insertion direction.

9. The connector according to any one of claims 1 to 8, characterized in that: The support frame is provided with a positioning block at one end facing outward in the insertion direction, and the insulating cap is provided with a positioning groove at one end facing outward in the insertion direction, and the positioning block is in clearance fit with the positioning groove.

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