Waterproof high-vibration-resistance circular electric connector with rapidly-detachable contact element

Abstract

The utility model relates to the technical field of circular electric connector devices, in particular to a waterproof high-anti-vibration circular electric connector with quickly-detached contact elements, which comprises a plug structure and a socket structure, the plug structure comprises a crimping type hole insulator, a head shell, a clamping cap and a plug end tail reducing sleeve, the head shell is arranged in the clamping cap, and the socket structure is arranged in the plug end tail reducing sleeve. The plug end tail reducing sleeve is fixedly connected with the tail end of the head shell in a threaded mode, the crimping type hole insulator is arranged in the clamping cap, a beveled hole is formed in the inner side of the head shell, a plug outer clamping claw is arranged in the beveled hole, a contact pin is fixed to the insulator, and a socket outer clamping claw is fixed to the outer side of the contact pin. The distance between the outer spiral groove of the socket and the plugging end face is large, so that the stroke of the clamping cap is too long and plugging is difficult during general plugging of the plug and the socket, and the distance between the outer spiral groove of the socket and the plugging end face is small, so that locking is not in place during general plugging of the plug and the socket. The utility model discloses a rear-assembly and front-disassembly structure of a crimping type insulator contact piece.

Description

Technical Field

[0001] The utility model relates to the technical field of circular electrical connector devices, and particularly relates to a circular electrical connector with waterproof, high anti-vibration performance and quick disassembly of contact parts. Background Art

[0002] A complete set of circular electrical connectors includes a plug and a socket, and the connection between the plug and the socket includes mechanical connection and electrical connection. The mechanical connection generally adopts a threaded connection.

[0003] Due to structural limitations, the waterproof performance after the general assembly and insertion of the plug and socket, the anti-seismic performance after the general assembly and insertion, and the disassembly convenience of the crimped contact parts are the most important indicators to determine the performance and installation convenience of the product. Therefore, the sealing structure after the general assembly and insertion, the anti-seismic design at the product connection, and the structural design of the insulator are crucial. Content of the Utility Model

[0004] Technical Problems to be Solved

[0005] Aiming at the above-mentioned disadvantages of the prior art, the utility model provides a circular electrical connector with waterproof, high anti-vibration performance and quick disassembly of contact parts, which can effectively meet the requirements that the sealing structure after the general assembly and insertion, the anti-seismic design at the product connection, and the structural design of the insulator are crucial in the prior art.

[0006] Technical Solutions

[0007] To achieve the above purposes, the utility model is realized through the following technical solutions:

[0008] The utility model provides a circular electrical connector with waterproof, high anti-vibration performance and quick disassembly of contact parts, including a plug structure and a socket structure. The plug structure includes a crimped hole insulator, a head shell, a retaining cap and a plug end tail adapter sleeve. The head shell is arranged in the retaining cap, and the plug end tail adapter sleeve is threadedly connected and fixed to the tail end of the head shell. The crimped hole insulator is arranged in the retaining cap. An inclined cut hole is opened on the inner side of the head shell, and a plug outer claw is arranged in the inclined cut hole. The socket structure includes a square seat shell, a socket end tail adapter sleeve and an insulator arranged in the socket end tail adapter sleeve. A pin is fixed on the insulator, and a socket outer claw is fixed on the outside of the pin.

[0009] Further, a retaining pin groove is opened on the outer side wall of the retaining cap, and a retaining pin is fixed in the retaining pin groove.

[0010] Further, a gasket is provided on the outer side of the head housing, a corrugated ring is provided at the front end of the gasket, a large retaining ring is provided between the head housing and the cap, and a small retaining ring is provided between the tail adapter sleeve at the tail of the plug end and the head housing. The small retaining ring is adhesively bonded to the outer side of the head housing by a colloid, and a tail coil is fixed inside the tail adapter sleeve at the tail of the plug end.

[0011] Further, a socket retaining ring is provided on the outer side of the socket end tail adapter sleeve. The socket retaining ring is adhesively fixed to the socket end tail adapter sleeve through a socket colloid, and a tail sealing ring is adhesively fixed to one end of the socket retaining ring. The outer socket claw is of a hollow structure. The pin is arranged inside the outer socket claw of the plug structure. Multiple groups of pins are provided, and each group of pins is of a crimping structure.

[0012] Further, an arc groove structure is formed on the inner side wall of the head housing, and an O-ring is arranged in the arc groove.

[0013] Further, a seat square gasket is provided between the square seat housing and the socket end tail adapter sleeve.

[0014] Beneficial effects

[0015] The technical solution provided by the present utility model has the following beneficial effects compared with the known public technology:

[0016] With the new plug and socket structures provided by the present utility model, when the pin is connected and fixed to the outer socket claw inside the plug, the internal tail coil realizes the power supply function. And when the plug is inserted into the socket, through the cooperation and sealing of the head-side O-ring on the plug and the coil groove on the socket, the sealing performance and seismic performance of the head and seat assembly insertion are realized. The structure is simple, with high seismic resistance, durable and reliable, convenient for installation and disassembly, easy to replace, and the separation is smooth and stable. By improving the overall structure of the insulator, the assembly method of post-installation and pre-disassembly of the crimped contact is realized, improving the installation and disassembly efficiency. To ensure the seismic capacity between the head and seat housings after the overall assembly insertion, the connection method of the socket and the cap is changed to an external spiral groove connection; to improve the waterproof sealing performance between the head and seat housings after the overall assembly insertion, the head-side coil and the seat housing are used to be squeezed for waterproof sealing; to facilitate the disassembly of the crimped contact, the insulator is changed to a post-installation and pre-disassembly structure; to strengthen the installation stability and safety, the size, thickness of the installation large plate and the size of the installation screw holes are enlarged, and the matching size between the socket coil groove and the side sealing ring of the plug; if the size of the coil groove of the socket and the head-side O-ring groove of the plug is made larger or smaller, it will cause the coil to be unable to be inserted, resulting in a reduction in waterproof performance and leakage; if the distance between the external spiral groove of the socket and the insertion end face is too large, it is easy to cause the cap to have too long a stroke and be difficult to plug and unplug during the overall assembly insertion of the plug and socket. If the distance between the external spiral groove of the socket and the insertion end face is too small, it is easy to cause the plug and socket to be not tightly locked during the overall assembly insertion; the post-installation and pre-disassembly structure of the crimped insulator contact. Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for description in the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a schematic structural diagram of the present invention;

[0019] Figure 2 It is an exploded view of the plug structure of the present invention;

[0020] Figure 3 It is a half-sectional view of the plug structure of the present invention;

[0021] Figure 4 It is an exploded view of the socket structure of the present invention;

[0022] Figure 5 It is an exploded view of the pin, the outer claw of the socket and the insulator of the present invention;

[0023] Figure 6 It is an exploded view of the pin and the outer claw of the socket of the present invention

[0024] Figure 7 It is a half-sectional view of the socket structure of the present invention;

[0025] Figure 8 It is a combined half-sectional view of the plug structure and the socket structure of the present invention.

[0026] The reference numerals in the drawings respectively represent: 1, crimped hole insulator; 2, beveled hole; 3, retaining pin; 4, O-ring; 5, outer claw of the plug; 6, gasket; 7, corrugated ring; 8, large retaining ring; 9, small retaining ring; 10, colloid; 11, tail coil; 12, head housing; 13, retaining cap; 14, tail adapter sleeve at the plug end; 15, square seat housing; 16, pin; 17, insulator; 18, outer claw of the socket; 19, square seat gasket; 20, socket retaining ring; 21, socket colloid; 22, tail seal ring; 23, tail adapter sleeve at the socket end; 24, plug structure; 25, socket structure. Detailed Embodiments

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0028] The present utility model will be further described below with reference to the embodiments.

[0029] Embodiment: A circular electrical connector with waterproof, high anti-vibration and quick-disassembly contacts, referring to the attached Figure 1 - attached Figure 8 , including a plug structure 24 and a socket structure 25. The plug structure 24 includes a crimp-type hole insulator 1, a head shell 12, a retaining cap 13 and a plug-end tail adapter sleeve 14. The head shell 12 is arranged inside the retaining cap 13, and the plug-end tail adapter sleeve 14 is threadedly connected and fixed to the tail end of the head shell 12. The crimp-type hole insulator 1 is arranged inside the retaining cap 13. An inclined cut hole 2 is formed inside the head shell 12, and a plug outer claw 5 is arranged inside the inclined cut hole 2. The socket structure 25 includes a square seat shell 15, a socket-end tail adapter sleeve 23 and an insulator 17 arranged inside the socket-end tail adapter sleeve 23. A pin 16 is fixed on the insulator 17, and a socket outer claw 18 is fixed on the outside of the pin 16; by providing a new plug and socket structure 25, when the pin 16 is connected and fixed to the plug outer claw 5 inside the plug, the internal tail coil 11 realizes the power supply function, and when the plug is inserted into the socket, through the cooperation and sealing of the head-side O-ring 4 on the plug and the coil groove on the socket, the sealing performance and anti-vibration performance of the head and socket assembly insertion are realized. The structure is simple, the anti-vibration performance is high, it is durable and reliable, the installation and disassembly are convenient, it is easy to replace, and the separation is smooth and stable.

[0030] A retaining pin groove is formed on the outer side wall of the retaining cap 13, and a retaining pin 3 is fixed inside the retaining pin groove; a gasket 6 is arranged on the outside of the head shell 12, a corrugated ring 7 is arranged at the front end of the gasket 6, a large retaining ring 8 is arranged between the head shell 12 and the retaining cap 13, a small retaining ring 9 is arranged between the plug-end tail adapter sleeve 14 and the head shell 12, and the small retaining ring 9 is adhesively bonded to the outside of the head shell 12 through a colloid 10. A tail coil 11 is fixed inside the plug-end tail adapter sleeve 14; by improving the overall structure of the insulator 17, an assembly method of post-installation and pre-disassembly of the crimp-type contact is realized, and the installation and disassembly efficiency is improved. To ensure the anti-vibration ability between the head and socket shells after the overall assembly insertion, the connection method between the socket and the retaining cap 13 is changed to an external spiral groove connection;

[0031] A socket retaining ring 20 is provided on the outer side of the socket end tail adapter sleeve 23. The socket retaining ring 20 is adhesively fixed to the socket end tail adapter sleeve 23 through a socket colloid 21. One end of the socket retaining ring 20 is adhesively fixed with a tail sealing ring 22. The socket outer claw 18 has a hollow structure. The pin 16 is arranged in the plug outer claw 5 of the plug structure 24. Multiple groups of pins 16 are provided, and each group of pins 16 has a crimping structure; an arc groove structure is provided on the inner side wall of the head housing 12, and an O-ring 4 is arranged in the arc groove; a seat square pad 19 is arranged between the square seat housing 15 and the socket end tail adapter sleeve 23; to improve the waterproof and sealing performance between the head and socket housings after the general assembly is inserted, the head side coil and the seat housing are squeezed for waterproof sealing; to facilitate the disassembly of the crimping contact, the insulator 17 is changed to a structure that can be installed later and disassembled earlier; to enhance the installation stability and safety, the size, thickness of the installation large plate and the size of the installation screw holes are enlarged, and the matching size between the socket coil groove and the plug side sealing ring; if the size of the coil groove of the socket and the head side O-ring groove of the plug is made larger or smaller, it will cause the coil to be unable to be inserted, resulting in a decrease in waterproof performance and leakage; if the distance between the outer spiral groove of the socket and the mating end face is too large, it is easy to cause the cap 13 to have too long a stroke and be difficult to plug and unplug during the general assembly of the plug and socket. If the distance between the outer spiral groove of the socket and the mating end face is too small, it is easy to cause the plug and socket to be not locked in place during the general assembly; the crimping insulator 17 has a structure that can be installed later and disassembled earlier for the contact.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A circular electrical connector with quick disassembly of waterproof and highly shock-resistant contacts, characterized in that, It includes a plug structure (24) and a socket structure (25). The plug structure (24) includes a crimping hole insulator (1), a head housing (12), a retaining cap (13), and a plug end tail adapter sleeve (14). The head housing (12) is disposed within the retaining cap (13), and the plug end tail adapter sleeve (14) is threadedly connected and fixed to the tail end of the head housing (12). The crimping hole insulator (1) is disposed within the retaining cap (13). An inclined cut hole (2) is formed on the inner side of the head housing (12), and a plug outer claw (5) is disposed within the inclined cut hole (2). The socket structure (25) includes a square base housing (15), a socket end tail adapter sleeve (23), and an insulator (17) disposed within the socket end tail adapter sleeve (23). A pin (16) is fixed to the insulator (17), and a socket outer claw (18) is fixed to the outer side of the pin (16).

2. The circular electrical connector with quick disassembly of a waterproof and highly vibration-resistant contact according to claim 1, wherein A retaining pin groove is formed on the outer side wall of the retaining cap (13), and a retaining pin (3) is fixed within the retaining pin groove.

3. A circular electrical connector with quick disassembly of waterproof and highly vibration-resistant contacts according to claim 1, characterized in that, A gasket (6) is disposed on the outer side of the head housing (12). A corrugated ring (7) is disposed at the front end of the gasket (6). A large retaining ring (8) is disposed between the head housing (12) and the retaining cap (13). A small retaining ring (9) is disposed between the plug end tail adapter sleeve (14) and the head housing (12). The small retaining ring (9) is adhesively bonded to the outer side of the head housing (12) by a colloid (10). A tail coil (11) is fixed to the inner side of the plug end tail adapter sleeve (14).

4. A circular electrical connector with quick disassembly of a waterproof and highly shock-resistant contact, characterized in that, A socket retaining ring (20) is disposed on the outer side of the socket end tail adapter sleeve (23). The socket retaining ring (20) is adhesively bonded and fixed to the socket end tail adapter sleeve (23) by a socket colloid (21). One end of the socket retaining ring (20) is adhesively bonded and fixed with a tail sealing ring (22). The socket outer claw (18) is of a hollow structure. The pin (16) is disposed within the plug outer claw (5) of the plug structure (24). The pins (16) are provided in multiple groups, and each group of pins (16) is of a crimping structure.

5. The circular electrical connector with quick disassembly of waterproof and highly vibration-resistant contacts according to claim 2, characterized in that, An arc groove structure is formed on the inner side wall of the head housing (12), and an O-ring (4) is disposed within the arc groove.

6. The circular electrical connector with quick disassembly of waterproof and highly vibration-resistant contacts according to claim 1, characterized in that, A seat square gasket (19) is disposed between the square base housing (15) and the socket end tail adapter sleeve (23).

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