CN217485811U - 90-degree outlet small-sized high-voltage-resistant plug - Google Patents

Abstract

The utility model relates to a 90 degree small-size high pressure resistant plug of being qualified for next round of competitions mainly includes casing, insulator, contact, lock sleeve, jump ring, sealed pad, sleeve, end cover, sealed glue, high pressure resistant wire etc.. The 90-degree outgoing small-size high-voltage-resistant plug has the advantages that the 90-degree outgoing line of wires with different bending radii in a small space can be realized by adopting the sleeve and the closing-up step structure which are installed in a split type 90-degree mode, the sleeve is provided with the annular groove, the welding circular holes are symmetrically arranged in the groove, the coaxial wires with the shielding layers or the single wires are conveniently electrically connected with the shell, and the reliable grounding and the use safety of the plug shell are guaranteed. Through the encapsulating hole of end cover and telescopic, realize the segmentation embedment between wire and casing, guarantee resistant high pressure and the tensile requirement of wire under the little creepage distance.

Description

90-degree outlet small-sized high-voltage-resistant plug

Technical Field

The utility model relates to a 90 degree small-size high voltage resistance plug of being qualified for the next round of competitions is one kind and can realizes 90 degrees and be qualified for the next round of competitions, makes things convenient for small-size, the high voltage resistance connector plug of wire ground connection processing, mainly is applied to the high voltage signal transmission field that has strict limitation to the size.

Background

The high-voltage resistant electric connector is a core component used by high-energy electronic equipment, and realizes reliable connection and transmission of high-voltage signals mainly by reasonably designing air creepage distance, reliable grounding and other technologies, and the general working voltage range is 1 kV-120 kV.

The existing high-voltage resistant electric connector is generally large in size, single in type of applicable wires and incapable of meeting the requirements of increasing integration and miniaturization of related electronic equipment on the small high-voltage resistant electric connector.

Disclosure of Invention

In order to adapt to the demand of the miniaturized high voltage resistant electric connector, solve the not enough in the aspect of the volume of current high voltage resistant connector, the utility model aims to provide a 90 degree small-size high voltage resistant plug of being qualified for the next round of competitions, when reducing the product size by a wide margin, guarantee high-voltage signal's reliable connection and transmission.

The utility model adopts the technical proposal that: a90-degree outgoing line small-sized high-voltage-resistant plug comprises a shell, an insulator, a contact body, a locking sleeve, a clamp spring, a sealing gasket, a sleeve, an end cover, a high-voltage-resistant wire, sealant and the like, wherein the contact body and the insulator form a component after welding the wire, the component penetrates through the front end of the shell by taking the wire as a guide and penetrates out of the side face of the shell, the wire is guaranteed to be smoothly bent in a small-size space, and damage to the wire is reduced; after the assembly is installed, the shell closing-up step structure is closed up, and the axial displacement of the assembly is limited, so that the assembly is reliably fixed on the shell; after the lead penetrates through the connector, the end cover and the sleeve are fixed on the shell through threaded connection, and then sealant is encapsulated in two layers through a sealant-encapsulating hole on the shell, wherein the first layer mainly ensures the high-pressure resistance of the connector, and the second layer mainly ensures the tensile property of the lead, so that external force is prevented from being transmitted to a welding spot in the use process; finally, through the annular groove and the two symmetrical round holes designed on the sleeve, reliable grounding connection between multiple wires such as a coaxial wire and a single high-voltage wire and the shell can be realized, and the use safety is ensured.

The shell is provided with a step for limiting the insulator to move along the axial direction, so that a lead and an insulator assembly can be conveniently assembled from the front part of the shell, the front part of the shell is provided with a closing-up step, and after the insulator assembly is assembled in place, the insulator is limited to move along the other direction, so that the insulator assembly is reliably fixed.

The center of the end cover is provided with a glue filling hole, so that the first layer of sealant is filled and sealed, and the high-pressure resistance in a narrow space is ensured.

The sleeve adopts a split type mounting structure and is connected with the side hole of the shell through threads, so that on one hand, enough bending space is ensured in the process of threading the lead; on the other hand, the encapsulation of the second layer of sealant can be realized through the sleeve, and the external force is not transmitted to the welding spot when the lead is subjected to the external force; finally, the annular groove of the sleeve can be used for processing a shielding layer of the coaxial conductor, and the welding circular hole in the groove can be used for processing a single high-voltage conductor and is suitable for various types of high-voltage conductors.

The beneficial effects of the utility model are that, adopt the utility model relates to a 90 degrees small-size high pressure resistant plug of being qualified for the next round of competitions can be applied to the occasion that has strict demand to high pressure resistant electric connector's bulk weight, has 90 degrees and is qualified for the next round of competitions, compact structure, and the size is little, adaptation different grade type wire, high pressure resistant characteristics satisfy different users to small-size high pressure resistant electric connector's demand, use in a flexible way.

Drawings

FIG. 1 is a schematic structural view of a 90-degree outlet small-sized high-voltage-resistant plug of the present invention

In the figure, 1, a contact body, 2, an insulator, 3, a sealing gasket, 4, a locking sleeve, 5, a snap spring, 6, a shell, 7, a high-voltage wire, 8, sealing glue 1, 9, an end cover, 10, a sleeve, 11, sealing glue 2, 12 and a sleeve are shown.

FIG. 2 shows the threading and fixing process of the wire and insulator assembly of the present invention

In the figure, 2, an insulator, 3, a sealing gasket, 4, a locking sleeve, 6, a shell, 7, a high-voltage lead, 9, an end cover, 10, a sleeve, 61, a closing-up step and 62, a positioning step are arranged.

FIG. 3 is a schematic view of the double-layer encapsulation structure of the present invention

In the figure, 2, an insulator, 6, a shell, 7, a high-voltage lead, 8, sealant 1, 9, an end cover, 10, a sleeve, 11, sealant 2, 91, an end cover glue injection hole and 100, a sleeve glue injection hole are arranged.

FIG. 4 is a schematic view of the connection between a single high-voltage-resistant wire and a sleeve

In the figure, 7 is a high-voltage lead, 8 is sealant 1, 10 is a sleeve, 11 is sealant 2, 12 is a sleeve, and 110 is a welding circular hole.

FIG. 5 is a schematic view of the coaxial shielded conductor and the sleeve of the present invention

In the figure, 7 is a high-voltage coaxial shielding wire, 8 is sealant 1, 10 is a sleeve, 11 is sealant 2, 12 is a sleeve, 101 is a circular groove, 102 is a ribbon.

Detailed Description

In figure 1, a locking sleeve (4) and a shell (6) are connected together through a clamp spring (5), a contact body (1) is welded with a high-voltage lead (7) and then is arranged in an insulator (2) to form an assembly, the assembly penetrates into the shell and is fixed in the shell, an end cover (9) and a sleeve (10) are arranged in a threaded connection mode, and then the high-voltage wire or the shielding layer is electrically connected with the sleeve, after the high-voltage wire or the shielding layer is conducted, the high-voltage-resistant soft sealant 1(8) and the hard sealant 2(11) are encapsulated in a cavity formed by the shell (6), the insulator (2), the high-voltage wire (7), the end cover (9) and the sleeve (10) in two layers, so that the high-voltage resistance between the wire and the shell is realized, the tensile capacity of the wire is improved, the disconnection of a welding spot in the use process is prevented, and finally the sleeve (12) is thermally shrunk on the peripheral protective grounding part of the sleeve (10).

In fig. 2, the contact body (1) is welded to the high-voltage wire (7) and then is fitted into the insulator body (2) to form an assembly, which is passed into the housing from the front, with the sleeve (10) not being installed to provide as large an installation space as possible. The assembly is assembled to the limiting step (62), namely, the assembly is assembled in place, the closing-in step (61) on the shell (6) is closed at the moment, the assembly is firmly fixed on the shell, and finally the end cover (9) and the sleeve (10) are installed in a threaded connection mode.

In fig. 3, a glue filling hole (91) is designed in the center of the end cover (9), the sealant 1(8) is filled and sealed through the glue filling hole (91) to realize a voltage-resistant function, and after the sealant 1(8) is cured, the sealant 2(11) is filled and sealed through the glue filling hole (100) of the sleeve (10) to realize the fixation of the high-voltage lead (7) and improve the tensile capability of the lead.

In the figure 4, the core of the high-voltage lead (7) passes through a welding round hole (110) on the outer wall of the sleeve (10) and then is reliably connected with the sleeve (10) through soldering, and after the welding is finished, the sleeve (12) is thermally shrunk on the peripheral protective grounding part of the sleeve (10).

In fig. 5, the shielding layer (101) of the high-voltage coaxial conductor (7) is sleeved in a circular groove on the outer wall of the sleeve (10), the reliable connection is realized through a ribbon (102), and finally the sleeve (12) is thermally shrunk on the periphery of the shielding layer (101) to protect the grounding part.

Claims (4)

1. The utility model provides a 90 degree small-size high voltage resistant plug of being qualified for next round of competitions, includes casing, insulator, contact, lock sleeve, jump ring, sealed pad, sleeve, end cover, sealed glue, high-voltage conductor, characterized by: the plug has the split type 90 degrees outlet structure that casing, sleeve and end cover are constituteed, encapsulates two-layer sealed glue through the encapsulating hole on sleeve, the end cover in proper order, realizes the high-voltage insulation protection and the fixed structure of internal signal point, but sleeve structure adaptation is coaxial and two kinds of high-voltage wire of single core.

2. The 90-degree outlet small-sized high-voltage resistant plug of claim 1, which is characterized in that: the casing design has spacing step of axial and binding off structure, fixes the insulator of inside, and sleeve and end cover are connected step by step through screw and casing and are realized 90 degrees of wire in narrow and small space and buckle and be qualified for the next round of competitions.

3. The 90-degree outlet small-sized high-voltage resistant plug of claim 1, which is characterized in that: after the end cover and the sleeve are assembled, firstly, a first layer of sealant is filled and sealed through a sealant filling hole in the center of the end cover, so that the high-pressure resistance is ensured; and finally, the second layer of sealant is filled and sealed through the glue filling hole of the sleeve, so that the external force is not transmitted to the welding spot when the lead is subjected to the external force.

4. The small-sized high-voltage resistant plug with the 90-degree outgoing line according to claim 1 is characterized in that: the sleeve is provided with an annular groove and two symmetrically arranged round holes, so that the electrical connection between the coaxial conductor or the single-core high-voltage conductor and the shell can be realized.

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