High-temperature-resistant high-density electric connector

Abstract

The invention provides a high-temperature-resistant high-density electric connector, which comprises a plug and a socket, and is characterized in that the plug comprises a shell, a tail end shell, a connecting nut, a doubling-up snap spring, a doubling-up corrugated spring, a pin front insulator, a first rear insulator, a first contact piece, a first wire sealing body, an interface sealing body and a first clamping jaw; the corrugated spring is arranged in the coupling nut and is fixed on the outer ring surface of the head section of the shell through the doubling-up snap spring; the insulator before the first clamping jaw is installed into the needle is bonded with the first rear insulator, the first wire sealing body and the interface sealing body through a binder to form a first insulation assembly; the first insulation assembly is installed in the shell and is positioned through threaded connection of the tail end shell and the shell, a plurality of through holes matched with the outer diameter parts of the first contact parts in size are formed in the pin front insulation body, and the first contact parts are fixed in the through holes through first clamping jaws. The electric connector is high in structural density, and the size can be greatly reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of electric connector structure and high temperature resistant design, and in particular relates to a high temperature resistant and high density electric connector. Background Art

[0002] The existing electrical connector structure is not compact enough and cannot withstand instantaneous high temperatures. At the same time, the resistance to moisture, heat and salt spray is poor when working in a high temperature environment. Summary of the invention

[0003] In view of this, the present invention provides a high-temperature resistant and high-density electrical connector, which has a high structural density and can greatly reduce the size of the electrical connector.

[0004] The technical solution of the present invention is:

[0005] A high-temperature resistant and high-density electrical connector comprises a plug and a socket, wherein the plug comprises a shell, a tail end shell, a connecting nut, a parallel coil retaining spring, a parallel coil corrugated spring, a front-needle insulator, a first rear insulator, a first contact piece, a first wire sealing body, an interface sealing body and a first claw; the corrugated spring is installed in the connecting nut and fixed to the outer ring surface of the shell head section through the parallel coil retaining spring; the first claw is installed in the front-needle insulator and bonded to the first rear insulator, the first wire sealing body and the interface sealing body through an adhesive to form a first insulating assembly; the first insulating assembly is installed in the shell and positioned in place through the threaded connection between the tail end shell and the shell, a plurality of through holes matching the outer diameter of the first contact piece are arranged in the front-needle insulator, and the first contact piece is fixed in the through hole through the first claw.

[0006] Furthermore, the socket includes a square disk shell, a tail shell, a front-hole insulator, a second rear insulator, a sealing ring, a second contact piece, a second claw and a second wire sealing body. The second claw is installed in the front-hole insulator and is bonded to the second rear insulator and the second wire sealing body through an adhesive to form a second insulating assembly; the second insulating assembly is installed in the square disk shell and is positioned in place through the threaded connection between the tail shell and the square disk shell; a plurality of through holes matching the outer diameter of the contact jack are provided in the second insulator, and the second contact piece is fixed in the through hole by the second claw; a boss is provided in the middle section of the inner annular surface of the square disk shell, and the outer wall of the sealing ring abuts against the boss.

[0007] Furthermore, when the plug and the socket are in the plugged state, the head section of the square disc shell is located in the gap between the connecting nut and the shell, and at the same time, the inner annular surface of the head section of the square disc shell abuts against the sealing ring to form a seal, and the square disc shell and the connecting nut cooperate with the arc groove through the bayonet pin.

[0008] Furthermore, the wall thickness of the cavities of the first insulator and the second insulator is 0.5-1 mm; after the cavity is formed, a heat preservation aging treatment is performed at 240° C. to 280° C. for 4 to 8 hours.

[0009] Furthermore, the needle front insulator, the hole front insulator, the first rear insulator and the second rear insulator are all made of silicone molding compound.

[0010] Furthermore, the tail end shell is fixed to the shell by threaded connection.

[0011] Furthermore, the tail housing and the square disk housing are fixed via threaded connection.

[0012] Furthermore, the contact pins and contact sockets are both made of iron alloy.

[0013] Furthermore, the contact pins and contact sockets are designed to be axially shortened.

[0014] Furthermore, the shell, tail end shell, connecting nut, square plate shell and tail shell are all made of stainless steel.

[0015] Furthermore, the electrical connector also includes a first shielding ring and a second shielding ring; the first shielding ring is arranged on the outer ring surface of the shell; the second shielding ring is arranged on the outer ring surface of the square disk shell.

[0016] Furthermore, the first contact piece and the second contact piece are both short socket contacts.

[0017] Other beneficial effects of the present invention:

[0018] The first insulating component and the second insulating component of the present invention adopt a unique heat treatment process, and with the high-density structure of the present invention, they can withstand instantaneous high temperatures and have excellent insulation resistance and voltage resistance performance working in a high-temperature environment.

[0019] The first contact piece and the second contact piece of the present invention are both short socket contacts, which shorten the axial dimension of the connector while satisfying the point engagement length. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of a plug structure of a high-temperature resistant and high-density electrical connector in a specific embodiment of the present invention;

[0022] Figure 2 It is a schematic diagram of a socket structure of a high-temperature resistant and high-density electrical connector in a specific embodiment of the present invention;

[0023] Figure 3 Schematic diagram of the first insulating component structure of a high-temperature resistant and high-density electrical connector in a specific embodiment of the present invention

[0024] Among them: 101, shell; 102, tail end shell; 103, connecting nut; 104, parallel coil retaining spring; 105, parallel coil corrugated spring; 106, front needle insulator; 107, first rear insulator; 108, first contact piece; 109, first sealing body; 110, interface sealing body; 111, first claw; 201, square disk shell; 202, tail shell; 203, front hole insulator; 204, second rear insulator; 205, sealing ring; 206, second contact piece; 207, second claw; 208, second sealing body. DETAILED DESCRIPTION

[0025] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0026] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0027] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present disclosure, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0028] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present disclosure. The illustrations only show components related to the present disclosure rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0029] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0030] In one embodiment of the present invention, a high-temperature resistant high-density electrical connector is provided, including a plug and a socket, such as Figure 1 , 3 As shown, the plug includes a housing 101, a tail end housing 102, a connecting nut 103, a parallel coil spring 104, a parallel coil corrugated spring 105, a front-needle insulator 106, a first rear insulator 107, a first contact piece 108, a first sealing body 109, an interface sealing body 110 and a first claw 111; the corrugated spring is installed in the connecting nut 103 and fixed on the outer ring surface of the head section of the housing 101 through the parallel coil spring 104; the first claw 111 is installed in the front-needle insulator The insulator 106 is bonded to the first rear insulator 107, the first sealing body 109 and the interface sealing body 110 by an adhesive to form a first insulating assembly; the first insulating assembly is installed in the shell 101 and is positioned in place by the threaded connection between the tail end shell 102 and the shell 101, and a plurality of through holes matching the outer diameter of the first contact piece 108 are provided in the front insulator 106, and the first contact piece 108 is fixed in the through hole by a first claw 111.

[0031] In this embodiment, if Figure 2 As shown, the socket includes a square disk housing 201, a tail housing 202, a front-hole insulator 203, a second rear insulator 204, a sealing ring 205, a second contact 206, a second claw 207 and a second wire sealing body 208. The second claw 207 is installed in the front-hole insulator 203 and is bonded to the second rear insulator 204 and the second wire sealing body 208 through an adhesive to form a second insulating component; the second insulating component is installed in the square disk housing 201 and is threadedly connected to the square disk housing 201 by the tail housing 202 to be positioned in place; a plurality of through holes matching the outer diameter of the contact jack are provided in the second insulator, and the second contact 206 is fixed in the through hole by the second claw 207; a boss is provided in the middle section of the inner annular surface of the square disk housing 201, and the outer wall of the sealing ring 205 abuts against the boss;

[0032] In this embodiment, when the plug and the socket are in the plugged state, the head section of the square disk shell 201 is located in the gap between the connecting nut 103 and the shell 101, and at the same time, the inner annular surface of the head section of the square disk shell 201 abuts against the sealing ring 205 to form a seal, and the square disk shell 201 and the connecting nut 103 are matched with the arc groove through the bayonet pin.

[0033] In this embodiment, the wall thickness of the cavities of the first insulator and the second insulator is 0.5-1 mm. After the cavities are formed, a heat preservation aging treatment at 240° C. to 280° C. for 4 to 8 hours is performed.

[0034] In this embodiment, the needle front insulator 106, the hole front insulator body first rear insulator 107 and the second rear insulator 204 are all made of silicone molding compound.

[0035] In this embodiment, the tail end housing 102 is fixed to the housing 101 by threaded connection; the tail housing 202 is fixed to the square plate housing 201 by threaded connection;

[0036] In this embodiment, the contact plug and the contact socket are both made of iron alloy.

[0037] In this embodiment, the shell 101, the tail shell 102, the connecting nut 103, the square shell 201 and the tail shell 202 are all made of stainless steel.

[0038] In this embodiment, the electrical connector further includes a first shielding ring and a second shielding ring; the first shielding ring is disposed on the outer ring surface of the housing 101 ; the second shielding ring is disposed on the outer ring surface of the square disk housing 201 .

[0039] In this embodiment, both the first contact 108 and the second contact 206 are short socket contacts.

[0040] The insulation material of this embodiment is silicone molding compound, the interface sealing body 110, the sealing body and the sealing ring 205 are made of high-temperature silicone rubber, the contact material is iron alloy, and the shell 101, the connecting nut 103, the tail shell 202 and the square plate shell 201 are made of stainless steel. The high-temperature connection function can be achieved through the selection of high-temperature resistant materials, process improvement, and positioning structure design.

[0041] The product has parts made of high-temperature silicone rubber materials such as the sealing ring 205, the sealing body and the interface sealing body 110, so that it has excellent environmental resistance (including resistance to moisture, heat, salt spray, etc.).

[0042] The insulator of the product is made of silicone molding material, which has the characteristics of high hole arrangement density, and the strength of the insulator can be increased by 200% after special aging treatment, which improves the reliability of the product. The electrical connector of this embodiment can work in a high temperature environment for a long time, and has good thermal stability. It will not deform or produce powder after high temperature combustion.

[0043] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present disclosure should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A high-temperature resistant and high-density electrical connector, comprising a plug and a socket, characterized in that The plug comprises a shell, a tail end shell, a connecting nut, a parallel coil retaining spring, a parallel coil corrugated spring, a front-needle insulator, a first rear insulator, a first contact piece, a first wire sealing body, an interface sealing body and a first claw; the corrugated spring is installed in the connecting nut and fixed to the outer ring surface of the shell head section through the parallel coil retaining spring; the first claw is installed in the front-needle insulator and bonded to the first rear insulator, the first wire sealing body and the interface sealing body through an adhesive to form a first insulating assembly; the first insulating assembly is installed in the shell and is positioned in place through the threaded connection between the tail end shell and the shell, a plurality of through holes matching the outer diameter of the first contact piece are provided in the front-needle insulator, and the first contact piece is fixed in the through hole by the first claw.

2. The high temperature resistant and high density electrical connector according to claim 1, characterized in that: The socket comprises a square disk shell, a tail shell, a front-hole insulator, a second rear insulator, a sealing ring, a second contact piece, a second claw and a second wire sealing body. The second claw is installed in the front-hole insulator and is bonded to the second rear insulator and the second wire sealing body through an adhesive to form a second insulating assembly; the second insulating assembly is installed in the square disk shell and is positioned in place through the threaded connection between the tail shell and the square disk shell; a plurality of through holes matching the outer diameter of the contact jack are arranged in the second insulator, and the second contact piece is fixed in the through hole by the second claw; a boss is arranged in the middle section of the inner annular surface of the square disk shell, and the outer wall of the sealing ring abuts against the boss.

3. The high temperature resistant and high density electrical connector according to claim 2, characterized in that: When the plug and the socket are in the plugged state, the head section of the square disc shell is located in the gap between the connecting nut and the shell, and at the same time, the inner ring surface of the head section of the square disc shell abuts against the sealing ring to form a seal, and the square disc shell and the connecting nut are matched with the arc groove through the bayonet pin.

4. The high temperature resistant and high density electrical connector according to claim 3, characterized in that: The cavity wall thickness of the first insulator and the second insulator is 0.5-1 mm. After the cavity is formed, a heat preservation aging treatment is performed at 240° C. to 280° C. for 4 to 8 hours.

5. The high temperature resistant and high density electrical connector according to claim 4, characterized in that: The needle front insulator, the hole front insulator, the first rear insulator and the second rear insulator are all made of organic silicon molding material.

6. The high temperature resistant and high density electrical connector according to claim 5, characterized in that: The tail end shell is fixed to the shell through threaded connection.

7. The high temperature resistant and high density electrical connector according to claim 6, characterized in that: The tail housing and the square disk housing are fixed by threaded connection.

8. The high temperature resistant and high density electrical connector according to claim 7, characterized in that: The contact plug and the contact socket are made of iron alloy; the shell, tail end shell, connecting nut, square plate shell and tail shell are made of stainless steel.

9. The high temperature resistant and high density electrical connector according to claim 8, characterized in that: The first contact piece and the second contact piece are both short socket contacts.

10. The high temperature resistant and high density electrical connector according to claim 9, characterized in that: The electrical connector further comprises a first shielding ring and a second shielding ring; the first shielding ring is arranged on the outer annular surface of the shell; the second shielding ring is arranged on the outer annular surface of the square disk shell.

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