Rectangular electric connector
By setting a hard shell wrap outside the insulation layer of the micro rectangular electrical connector, and setting slots and protrusions at the pins and sockets, combined with the support coil and heat shrink tube, the problem of low pressure resistance of the existing micro rectangular electrical connectors in high temperature and low air pressure environments is solved, achieving higher pressure resistance and removable structure.
Patent Information
- Application Number
- CN202420568526.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-03-22
AI Technical Summary
The existing micro rectangular electrical connectors have low pressure resistance under high temperature and low air pressure environments, and cannot meet the needs of use in high temperature and low air pressure environments.
A rectangular electrical connector is designed to ensure reliable fixation of the pin and jack and stable contact of the wires by providing a hard shell outside the insulation layer of the socket and plug, and a slot and projection at the pin and jack, combining the spring coil and heat shrink tube.
This design effectively prevents insertion and misalignment, realizes the detachable structure of the electrical connector, and improves the voltage resistance of the electrical connector under low air pressure environment.
Smart Images
Figure CN222884016U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a rectangular electric connector. Background Art
[0002] As a key component for interconnection and signal transmission of electronic equipment systems, electrical connectors play an important role. With the rapid development of weapon systems, the demand for micro-rectangular electrical connectors for high temperature, high altitude and low pressure environments has become more urgent. The operating temperature of ordinary micro-rectangular electrical connectors is mostly between -55℃ and +125℃, and the pressure resistance in the high temperature and low pressure composite environment is low, which cannot meet the use requirements in high temperature and low pressure environments. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a rectangular electrical connector.
[0004] The utility model is realized through the following technical solutions.
[0005] The utility model provides a rectangular electrical connector, which comprises a plug and a socket, wherein the socket comprises a plurality of pins, wherein the plurality of pins are evenly mounted in a socket insulating frame, wherein the socket insulating frame is mounted in a socket shell, wherein the plug comprises jacks whose number and positions correspond to the pins, wherein the jacks are mounted in a plug insulating frame, wherein the plug insulating frame is mounted in a plug shell, wherein one end of the socket insulating frame is provided with a slot, wherein one end of the pins is evenly placed in the slot, and the other end is provided with a pin mounting hole for mounting the pins, wherein the wire extends into the socket insulating frame through the pin mounting hole and contacts the pins, wherein one end of the plug insulating frame is processed with a protrusion having the same cross section as the slot, and the other end is provided with a jack mounting hole, wherein the wire extends into the plug insulating frame through the jack mounting hole and contacts the jack.
[0006] The socket shell includes an upper socket shell and a lower socket shell, which are respectively wrapped around the two ends of the side of the slot, and the edges of the upper socket shell and the lower socket shell are locked together by a bolt assembly. A circular groove is processed at the inner wall where the upper socket shell and the lower socket shell contact, and the annular protrusion on the side of the slot is stuck in the circular groove.
[0007] The plug shell includes an upper plug shell and a lower plug shell, which are respectively wrapped around the two ends of the side of the plug insulation frame. A wire protection sleeve is also provided on the outside of the lower plug shell and is sleeved on the lower plug shell. The adjacent edges of the upper plug shell, the lower plug shell and the wire protection sleeve are all provided with flanges and are locked by external threaded sleeves. The inner walls of the upper plug shell and the lower plug shell are respectively processed with annular protrusions at the two ends of the annular protrusions on the outer wall of the plug insulation frame.
[0008] An anti-dropping bolt is arranged in the external threaded sleeve, the small diameter part of the center of the anti-dropping bolt is placed in the external threaded sleeve, and a threaded rod with a larger outer diameter is arranged at one end adjacent to the insertion hole, and the threaded rod is assembled in a threaded blind hole processed on the upper shell of the socket.
[0009] The number and positions of the pin mounting holes and the jack mounting holes correspond to the number and positions of the pins and the jacks, respectively; the inner walls of the pin mounting holes and the jack mounting holes are respectively processed with pin limiting grooves and jack anti-dropout grooves; the pin limiting grooves and the jack anti-dropout grooves are both installed with support spring rings; the support spring rings clamp the annular protrusions on the pin mounting holes or the jack mounting holes in the pin limiting grooves and the jack anti-dropout grooves.
[0010] The wire is fixed in the pin and the socket through a heat shrink tube.
[0011] A wire pressing plate is also installed on one side of the end of the wire protection sleeve.
[0012] An interface sealing ring is also installed on the outer wall of one end of the pin placed in the slot.
[0013] The beneficial effects of the utility model are as follows: by providing a slot, misplacement of insertion can be prevented; by a detachable shell, the structure of the electrical connector can be detached; and by providing a hard shell wrapping outside the insulating layer, the electrical connector can adapt to a low pressure environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the socket structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the slot structure of the utility model;
[0016] Figure 3 This is a schematic diagram of the plug structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the socket pin structure of the utility model;
[0018] Figure 5 It is a schematic diagram of the support spring ring of the utility model;
[0019] In the figure: 1-socket upper shell, 2-socket lower shell, 3-interface sealing ring, 4-pin, 5-spring ring, 6-threaded blind hole, 7-slot, 8-socket insulation frame, 9-bolt assembly, 10-pin limit groove, 11-pin mounting hole, 12-heat shrink tube, 13-wire, 14-external threaded sleeve, 15-anti-slip bolt, 16-jack anti-slip groove, 17-jack mounting hole, 18-plug upper shell, 19-plug lower shell, 20-jack, 21-plug insulation frame, 22-wire protection cover, 23-wire pressing plate. DETAILED DESCRIPTION
[0020] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.
[0021] A rectangular electrical connector; comprising a plug and a socket, the socket comprising a plurality of pins 4, the plurality of pins 4 being evenly mounted in a socket insulating frame 8, the socket insulating frame 8 being mounted in a socket shell, the plug comprising jacks 20 whose number and position correspond to the pins 4, the jacks 20 being mounted in a plug insulating frame 21, the plug insulating frame 21 being mounted in a plug shell, one end of the socket insulating frame 8 being provided with a slot 7, one end of the pins 4 being evenly placed in the slot 7, the other end being provided with a pin mounting hole 11 for mounting the pins 4, the wire extending into the socket insulating frame 8 through the pin mounting hole 11 and contacting the pins 4, one end of the plug insulating frame 21 being processed with a protrusion having the same cross-section as the slot 7, the other end being provided with a jack mounting hole 17, the wire extending into the plug insulating frame 21 through the jack mounting hole 17 and contacting the jack 20.
[0022] The socket shell includes an upper socket shell 1 and a lower socket shell 2, which are respectively wrapped around the two ends of the side of the slot 7. The edges of the upper socket shell 1 and the lower socket shell 2 are locked together by a bolt assembly 9. A circular groove is processed at the inner wall where the upper socket shell 1 and the lower socket shell 2 contact, and the annular protrusion on the side of the slot 7 is stuck in the circular groove.
[0023] The plug shell includes an upper plug shell 18 and a lower plug shell 19, which are respectively wrapped around the two ends of the side of the plug insulation frame 21. A wire protection sleeve 22 is also provided on the outside of the lower plug shell 19 and is sleeved on the lower plug shell 19. The adjacent edges of the upper plug shell 18, the lower plug shell 19 and the wire protection sleeve 22 are all provided with flanges and are locked by an external threaded sleeve 14. The inner walls of the upper plug shell 18 and the lower plug shell 19 are respectively processed with annular protrusions at both ends of the annular protrusions on the outer wall of the plug insulation frame 21.
[0024] An anti-dropping bolt 15 is arranged in the external threaded sleeve 14, and the small diameter portion of the anti-dropping bolt 15 is placed in the external threaded sleeve 14. A threaded rod with a larger outer diameter is arranged at one end adjacent to the insertion hole 20, and the threaded rod is assembled in the threaded blind hole 6 processed on the socket upper shell 1.
[0025] The number and position of the pin mounting holes 11 and the jack mounting holes 17 correspond to the number and position of the pins 4 and the jacks 20, respectively. The inner walls of the pin mounting holes 11 and the jack mounting holes 17 are respectively processed with pin limiting grooves 10 and jack anti-slip grooves 16. The pin limiting grooves 10 and the jack anti-slip grooves 16 are both installed with support spring rings 5. The support spring rings 5 clamp the annular protrusions on the pin mounting holes 11 or the jack mounting holes 17 in the pin limiting grooves 10 and the jack anti-slip grooves 16.
[0026] The wire is fixed in the pin 4 and the socket 20 through a heat shrink tube 12 .
[0027] A wire pressing plate 23 is also installed on one side of the end of the wire protection sleeve 22 .
[0028] An interface sealing ring 3 is also installed on the outer wall of one end of the pin 4 placed in the slot 7.
[0029] In terms of material selection, the upper and lower shells are made of titanium alloy, which is light and corrosion-resistant; the pins and sockets are made of nickel-based high-temperature alloy, which has excellent elasticity at high temperatures and reliable electrical contact after multiple plugging and unplugging; the support spring ring is made of copper alloy; the insulating mounting plate is made of polyimide, which is resistant to high temperature environments and has excellent electrical performance indicators such as dielectric strength; the interface sealing ring is made of high-temperature resistant composite material, which is still elastic at 300°C, does not melt, will not undergo large deformation, and has reliable interface sealing; the high-temperature heat shrink tube can withstand a high temperature of 300°C without melting, effectively protecting the wires and crimping points; the locking accessories are made of stainless steel, and the accessories at the tail of the plug are made of titanium alloy and stainless steel.
[0030] In terms of overall structural design, the upper and lower shells are fastened together by riveting; the insulation mounting plate is an integrated structure, and the height of the tail outlet is increased to enhance the low-pressure withstand capability; the pins and sockets are reliably fixed in the socket insulation frame and the plug insulation frame through the support spring ring, and can be disassembled and replaced; the wire crimping points at the tail ends of the pins and sockets are covered with high-temperature heat shrink tubes to prevent the wire core and the shell from breaking down under low pressure and protect the wires; the socket pins are covered with interface sealing rings, and the interface is sealed after the plug and socket are docked, blocking the discharge path and enhancing the low-pressure withstand capability. After the plug and socket are docked, the plug insulation mounting plate compresses the interface sealing ring to cause it to deform, and the locking screw is tightened with a torque screwdriver to achieve docking and locking.
Claims
1. A rectangular electrical connector, characterized in that: The invention comprises a plug and a socket, wherein the socket comprises a plurality of pins (4), wherein the plurality of pins (4) are evenly mounted in a socket insulating frame (8), wherein the socket insulating frame (8) is mounted in a socket shell, wherein the plug comprises sockets (20) whose number and positions correspond to the pins (4), wherein the sockets (20) are mounted in a plug insulating frame (21), wherein the plug insulating frame (21) is mounted in a plug shell, wherein one end of the socket insulating frame (8) is provided with a slot (7), wherein one end of the pins (4) is evenly placed in the slot (7), and the other end is provided with a pin mounting hole (11) for mounting the pins (4), wherein the wire extends into the socket insulating frame (8) through the pin mounting hole (11) and contacts the pins (4), wherein one end of the plug insulating frame (21) is processed with a protrusion having the same cross section as the slot (7), and the other end is provided with a socket mounting hole (17), wherein the wire extends into the plug insulating frame (21) through the socket mounting hole (17) and contacts the socket (20).
2. The rectangular electrical connector according to claim 1, characterized in that: The socket shell comprises an upper socket shell (1) and a lower socket shell (2), the upper socket shell (1) and the lower socket shell (2) are respectively wrapped around the two ends of the side of the slot (7), the edges of the upper socket shell (1) and the lower socket shell (2) are locked together by a bolt assembly (9), a circular groove is processed at the inner wall where the upper socket shell (1) and the lower socket shell (2) contact, and the annular protrusion on the side of the slot (7) is inserted into the circular groove.
3. The rectangular electrical connector according to claim 1, wherein: The plug shell comprises an upper plug shell (18) and a lower plug shell (19), the upper plug shell (18) and the lower plug shell (19) are respectively wrapped around the two ends of the side of the plug insulation frame (21), the outer side of the lower plug shell (19) is also provided with a wire protection sleeve (22) which is sleeved on the lower plug shell (19), the adjacent edges of the upper plug shell (18), the lower plug shell (19) and the wire protection sleeve (22) are all provided with flanges and are locked by an external thread sleeve (14), and the inner walls of the upper plug shell (18) and the lower plug shell (19) are respectively processed with annular protrusions at the two ends of the annular protrusions on the outer wall of the plug insulation frame (21).
4. The rectangular electrical connector according to claim 3, characterized in that: An anti-dropping bolt (15) is arranged inside the external threaded sleeve (14), the small diameter portion of the center of the anti-dropping bolt (15) is placed inside the external threaded sleeve (14), and a threaded rod with a larger outer diameter is arranged at one end adjacent to the insertion hole (20), and the threaded rod is assembled in a threaded blind hole (6) processed on the socket upper shell (1).
5. The rectangular electrical connector according to claim 1, wherein: The number and position of the pin mounting holes (11) and the jack mounting holes (17) correspond to the number and position of the pins (4) and the jacks (20), respectively. The inner walls of the pin mounting holes (11) and the jack mounting holes (17) are respectively processed with pin limiting grooves (10) and jack anti-drop grooves (16). A support spring ring (5) is installed in the pin limiting grooves (10) and the jack anti-drop grooves (16). The support spring ring (5) clamps the annular protrusion on the pin mounting holes (11) or the jack mounting holes (17) in the pin limiting grooves (10) and the jack anti-drop grooves (16).
6. The rectangular electrical connector according to claim 1, wherein: The wire is fixed in the plug pin (4) and the plug hole (20) via a heat shrink tube (12).
7. The rectangular electrical connector according to claim 3, characterized in that: A wire pressing plate (23) is also installed on one side of the end of the wire protection sleeve (22).
8. The rectangular electrical connector according to claim 1, wherein: An interface sealing ring (3) is also installed on the outer wall of one end of the insertion pin (4) placed in the slot (7).