Wire-clamping type micro-circular electric connector

Abstract

The utility model relates to a wire-clamping type micro-circular electric connector which comprises a plug and a socket, the rear part of the plug is connected with a cable cover, the front part of a plug head shell is internally provided with a pin insulator assembly, the front part of the plug is plugged with the front part of the socket, the rear part of the socket abuts against a wire clamping body in an inner cavity of a socket seat shell through a nut, and the inner wall of the front part of the head shell is provided with a backward head shell step. The step of the head shell is backwards abutted against a head bushing sleeved outside the pin insulator assembly, and a plug neck bush is abutted between the head bushing and the cable cover; a backward seat shell step is arranged on the inner wall of the front part of the seat shell, the seat shell step backwards abuts against a seat lining sleeved outside the hole insulator assembly, and a socket inner lining abuts between the seat lining and the wire clamping body; the outer wall of the circumference of the front portion of the head lining is provided with more than one notch around the circumference, and the front portion of the seat lining extends forwards to form more than one arc-shaped insertion plate head corresponding to the insertion notch. The structure is simple, the cable wiring is stable, and the plugging shielding performance is stable.

Description

Technical Field

[0001] The utility model relates to an electric connector, in particular to a wire-clamping micro-circular electric connector. Background Art

[0002] In the field of circular electrical connectors, the installation and use environment is usually limited, and the requirements for electrical continuity are very high. The stability of the welding cables and the electromagnetic shielding of the plug-in ends are very strict. In the existing micro electrical connector structure, especially the direct plug-in locking and separation, the shielding of the pin and socket insulation components has no stable control structure, which directly affects the performance of the electrical connector. Summary of the Invention

[0003] The utility model provides a wire-clip type micro-circular electrical connector with a simple structure, stable cable wiring, and stable plugging and shielding performance.

[0004] The technical solution adopted by the utility model is: a wire-clamping micro-circular electrical connector, including a plug and a socket, the rear of the plug is connected to the cable cover, and a pin insulator assembly is arranged in the front of the plug head shell, the front of the plug and the front of the socket are plugged in, and the rear of the socket abuts the wire-clamping body in the inner cavity of the socket seat shell through a nut, which is characterized in that: the front inner wall of the head shell is provided with a head shell step facing backward, the head shell step abuts against the head bushing sleeved on the outside of the pin insulator assembly facing backward, and the head bushing abuts against the plug bushing between the head bushing and the cable cover; the front inner wall of the seat shell is provided with a seat shell step facing backward, the seat shell step abuts against the seat bushing sleeved on the outside of the hole insulator assembly facing backward, and the seat bushing abuts against the wire-clamping body between the socket bushing; the front circumferential outer wall of the head bushing or the seat bushing is provided with more than one notch around the circumference, and the front of the seat bushing or the head bushing extends forward with more than one arc-shaped plug-in head corresponding to the plug-in notch, and the head bushing, seat bushing, plug bushing, and socket bushing are metal bushings.

[0005] A wire clamping plate with fastening screws is provided at the rear end of the cable cover.

[0006] The front outer wall of the head shell is connected to the rear of the locking sleeve via a retaining spring. The front of the locking sleeve is configured as a circular multi-petal spring structure, and the multi-petal spring corresponds to the locking groove of the front inner wall of the socket shell.

[0007] The front outer wall of the head shell is plugged into the inner wall of the seat shell head and radially press-fits the sealing O-ring on the inner wall of the seat shell head.

[0008] A rivet ring is riveted on the front outer wall of the head shell, and the outer wall of the rivet ring is pressed against a sealing O-ring on the inner wall of the head of the seat shell.

[0009] A connecting flange is provided on the front outer wall of the seat shell, and a guide O-ring which is press-connected by a spirally screwed circular cap on the front outer wall of the seat shell is provided on the front of the connecting flange.

[0010] The utility model provides a plug inner sleeve and a socket inner sleeve in front of the head sleeve in the head shell of the traditional electrical connector and in front of the seat sleeve in the seat shell, which correspond to the pin and hole insulator components. The plug inner sleeve and the socket inner sleeve are arranged to be completely connected and spliced ​​through their respective notches and arc-shaped plug-in board heads to form a complete cylindrical sleeve structure corresponding to the outer periphery of the pin and hole insulator components after plugging together, effectively improving the shielding performance of the electrical connection plug-in point. At the same time, from the cable cover to the tightening of the nut, the head bushing, the plug inner sleeve, the socket inner sleeve and the seat bushing are pressed in turn, which improves the stability of the cable passing through them. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the plug structure of the utility model;

[0013] Figure 3 for Figure 2 Schematic diagram of the three-dimensional structure;

[0014] Figure 4 This is a schematic diagram of the socket structure of the utility model;

[0015] Figure 5 for Figure 4 Schematic diagram of the three-dimensional structure;

[0016] Figure 6 It is a schematic diagram of the plug-in structure of the head bushing and the seat bushing of the utility model.

[0017] In the figure: cable cover 1, fastening screw 2, clamping plate 3, plug inner sleeve 4, head shell 5, retaining ring 6, locking sleeve 7, head bushing 8, pin insulator assembly 9, pin 10, rivet ring 11, round cap 12, conductive O-ring 13, sealing O-ring 14, seat bushing 15, hole insulator assembly 16, seat shell 17, socket inner sleeve 18, jack 19, clamping body 20, nut 21, multi-petal spring structure 22, connecting flange 23, notch 24, arc-shaped plug head 25, locking groove 26. DETAILED DESCRIPTION

[0018] The following is further explained with reference to the accompanying drawings.

[0019] Figure 1-6 As shown: A wire clamping micro circular electrical connector, including a plug and a socket, the front of the plug and the front of the socket are plugged in. Figure 2 、 3The plug includes a cable cover 1, a fastening screw 2, a clamping plate 3, a plug inner sleeve 4, a head shell 5, a retaining spring 6, a locking sleeve 7, a head sleeve 8, a pin insulator assembly 9, a pin 10, and a rivet ring 11. The rear of the plug is connected to the cable cover 1. The rear end of the cable cover is provided with a clamping plate 3 with a fastening screw 2. The front of the plug head shell 5 is provided with a pin insulator assembly 9. The front inner wall of the head shell 5 is provided with a rearward head shell step. The head shell step abuts the head sleeve 8 sleeved on the outside of the pin insulator assembly 9. The head sleeve 8 abuts the plug inner sleeve 4 against the cable cover 1. The front outer wall of the head shell 5 is connected to the rear of the locking sleeve 7 via a retaining spring 6. The front of the locking sleeve 7 is provided with a circumferential multi-petal spring structure 22. A circle of rivet rings 11 is riveted to the front outer wall of the head shell 5. Figure 4 、 5 The middle socket includes a round cap 12, a conductive O-ring 13, a sealing O-ring 14, a seat bushing 15, a hole insulator assembly 16, a seat shell 17, a socket inner bushing 18, a jack 19, a wire clamp 20, and a nut 21. The rear part of the socket seat shell 17 abuts the wire clamp 20 in the inner cavity of the socket seat shell through the nut 21. The front inner wall of the seat shell 17 is provided with a rearward seat shell step, and the seat shell step abuts the seat bushing 15 sleeved on the outside of the hole insulator assembly 16. The seat bushing 15 and the wire clamp 20 abut the socket inner bushing 18, the sealing O-ring 14 on the front inner wall of the seat shell 17, the sealing O-ring 14 on the inner wall of the head of the rivet ring 11, and the multi-petal spring structure 22 corresponds to the locking groove 26 on the front inner wall of the plug-in seat shell; Figure 6 In the embodiment, the front outer wall of the head bushing 8 outside the pin insulator assembly 9 is provided with one or more notches 24 around its circumference, and the front outer wall of the seat bushing 15 outside the hole insulator assembly 16 extends forward with one or more arc-shaped plug-in heads 25 corresponding to the notches 24. The head bushing, seat bushing, plug inner bushing, and socket inner bushing are metal bushings.

[0020] In this embodiment, the plurality of pins 10 in the pin insulator assembly 9 of the plug are plugged into the socket 19 in the hole insulator assembly 16 of the socket, and the notch 24 of the head bushing 8 is plugged into the arc-shaped plug head 25 of the seat bushing 16 to form a complete sleeve structure, corresponding to forming a better shielding at the outer periphery of the above-mentioned plug-in.

[0021] In this embodiment, a connecting flange 23 is provided on the front outer wall of the seat shell 17, and a guide O-ring 13 is provided forward of the connecting flange and is press-fitted by a spirally screwed circular cap 12 on the front outer wall of the seat shell.

Claims

1. A wire-clamping micro-circular electrical connector, comprising a plug and a socket, wherein the rear portion of the plug is connected to a cable cover, the front portion of the plug housing is provided with a pin insulator assembly, the front portion of the plug and the front portion of the socket are plugged together, and the rear portion of the socket abuts against the wire clamping body in the inner cavity of the socket housing via a nut, characterized in that: The front inner wall of the head shell is provided with a head shell step facing backward, and the head shell step abuts against the head bushing sleeved on the outside of the pin insulator assembly backward, and the head bushing abuts against the cable cover inner bushing of the plug; the front inner wall of the seat shell is provided with a seat shell step facing backward, and the seat shell step abuts against the seat bushing sleeved on the outside of the hole insulator assembly backward, and the seat bushing abuts against the wire clamping body inner bushing of the socket; the front circumferential outer wall of the head bushing or seat bushing is provided with more than one notch around the circumference, and the front of the seat bushing or head bushing extends forward with more than one arc-shaped plug-in head corresponding to the plug-in notch, and the head bushing, seat bushing, plug inner bushing and socket inner bushing are metal bushings.

2. The wire-clip micro-circular electrical connector according to claim 1, wherein: A wire clamping plate with fastening screws is provided at the rear end of the cable cover.

3. The wire-clip micro-circular electrical connector according to claim 1, wherein: The front outer wall of the head shell is connected to the rear of the locking sleeve via a retaining spring. The front of the locking sleeve is configured as a circular multi-petal spring structure, and the multi-petal spring corresponds to the locking groove of the front inner wall of the socket shell.

4. The wire-clip micro-circular electrical connector according to claim 1, wherein: The front outer wall of the head shell is plugged into the inner wall of the seat shell head and radially press-fits the sealing O-ring on the inner wall of the seat shell head.

5. The wire-clip micro-circular electrical connector according to claim 4, characterized in that: A rivet ring is riveted on the front outer wall of the head shell, and the outer wall of the rivet ring is pressed against a sealing O-ring on the inner wall of the head of the seat shell.

6. The wire-clip micro-circular electrical connector according to claim 1, characterized in that: A connecting flange is provided on the front outer wall of the seat shell, and a guide O-ring which is press-connected by a spirally screwed circular cap on the front outer wall of the seat shell is provided on the front of the connecting flange.

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