Marine-type floor power socket

Abstract

The present invention provides a marine-resistant ground power socket, which solves the problems of insufficient environmental resistance and inconvenient cover operation of existing ground power sockets in marine environments. The ground power socket of the present invention comprises a cover, a rubber pad, a clamp, a socket housing, an insulator, a wire pressing body, a first pin, a second pin, a third pin, a first sealing gasket, an end cover and a pressure plate. The cover of the present invention is easy to operate, and the overall resistance of the socket to marine environmental corrosion is greatly improved. The socket has excellent resistance to marine environments and shipboard mechanical environments, and the overall structure is simplified in design.

Description

Technical Field

[0001] The invention belongs to the technical field of ground power sockets, and relates to a marine-resistant ground power socket. The ground power socket is installed in an equipment compartment outside an aircraft air inlet. When the aircraft is in the ground preparation stage or maintenance and troubleshooting, the ground power plug provides 28V direct current to the aircraft electrical system through the invention. Background Art

[0002] With the rise of my country's military power in the ocean and the development of aircraft multi-electric technology, the demand for carrier-based aircraft is increasing. The problems that follow are the erosion of high humidity, high salt fog and fuel-containing exhaust gas in the marine environment. In addition, as an electrical system component of carrier-based aircraft, it has higher requirements for its environmental adaptability in addition to marine corrosion resistance. The socket should be able to withstand the impact of mechanical vibration, impact, acceleration, high temperature, low temperature, rain, sand and dust and other environmental conditions that may be encountered during the entire life cycle and maintain normal operation. The existing ground power socket has the problem of inconvenient operation of the cover locking structure and poor sealing performance. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a marine-resistant ground power socket. The socket cover of the present invention has a simple structure and is easy to operate. It can be locked by pushing a button and can be quickly connected to a ground power plug. It has excellent marine environment resistance and shipboard mechanical environment resistance, and the overall structure is simplified in design.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a marine-resistant ground power socket, which includes a mouth cover, a rubber pad, a clamping plate, a socket shell, an insulator, a wire pressing body, a first pin, a second pin, a third pin, a first sealing gasket, an end cover and a pressing plate, an insulator is installed inside the socket shell, and the first pin, the second pin and the third pin are installed in the hole cavity of the insulator. The solder cups at the ends of the first pin, the second pin and the third pin are all placed in the groove of the insulator, and a wire pressing body is provided at the ends of the first pin, the second pin and the third pin, and an end cover is installed at the end of the wire pressing body. The end cover is fixed to the rear end face of the socket shell by screws, and a first sealing gasket is installed between the end cover and the rear end face of the socket shell, and the insulator, the first pin, the second pin, the third pin and the wire pressing body are fixed inside the socket shell, and a pressing plate is provided below the end cover, and the pressing plate is fixed to the rear end face of the socket shell by screws, and the pressing plate presses the wire pressing body tightly;

[0005] A rubber pad and a clamping plate are installed in sequence between the opening cover and the socket housing. The opening cover includes a lid, a rotating assembly and a mounting plate. The lid is rotatably buckled at the opening above the mounting plate through the rotating assembly. The opening cover, the rubber pad, the clamping plate and the front end surface of the socket housing are fixed by screws. When the lid is buckled with the mounting plate, the bottom of the lid squeezes the rubber pad to achieve sealing.

[0006] Furthermore, the rubber pad is provided with a waist-shaped hole, the edge of the waist-shaped hole extends outward to form a circle of protrusions, and the circle of protrusions is placed in the opening of the mounting plate. When the cover is buckled with the mounting plate, the bottom surface of the cover is pressed against the rubber pad, and the circle of protrusions of the rubber pad are forced to expand outward into a trumpet shape, which cooperates with the bottom of the cover to achieve sealing.

[0007] Furthermore, the cover includes a cover plate, multiple rivets, multiple bushings, a button, a latch, a spring sheet and a base. The cover plate and the base are riveted and fixed by multiple rivets. A bushing is provided on the outside of each rivet for supporting and fixing the rivet. A mounting hole is provided on the cover plate. The button is fixed to the latch as a whole by rivets. Openings are respectively provided on the front and rear sides of the base. The spring sheet is in a curved arc shape, and the bottom of the rear end of the spring sheet is clamped in the rear opening of the base. The bottom of the front end is placed in the base, and the top is in contact with the bottom of the latch. The spring sheet provides a pre-tightening force. The button is placed in the mounting hole and can move back and forth in the mounting hole. The position of the latch corresponds to the front opening of the base. The button controls the extension and retraction of the latch by moving back and forth, thereby realizing the locking and unlocking of the cover. A lock hole matching the latch is provided on the inner side of the front end of the mounting plate.

[0008] Furthermore, the cover plate and the base are both made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0009] Furthermore, the rotating assembly includes a U-shaped ring, a first rotating shaft, a second rotating shaft, a first spring and a second spring, the cover is provided with a connecting portion for connecting to the U-shaped ring, the rear end of the mounting plate is provided with an opening for the U-shaped ring to pass through and two mounting ears, the first end of the U-shaped ring is connected to the connecting portion through the first rotating shaft and the first spring, and the second end of the U-shaped ring passes through the opening of the U-shaped ring and is connected to the two mounting ears through the second rotating shaft and the second spring.

[0010] Furthermore, the U-shaped ring, the first rotating shaft, the second rotating shaft, the first spring and the second spring are all made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0011] Furthermore, the overall width W of the rubber pad is 10.5 mm.

[0012] Furthermore, the socket housing, the pressing plate and the mounting plate are all made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying.

[0013] Furthermore, the rubber pad, the wire pressing body and the first sealing pad are all made of silicone rubber 6150; the clamping plate is made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0014] Furthermore, a second sealing gasket is provided at the front end of the mouth cover, and the second sealing gasket is made of silicone rubber 6150.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The socket housing, pressing plate and mounting plate of the ground power socket of the present invention are made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that has been successively processed by aluminum alloy anodization and electrostatic spraying, and the cover plate, bottom plate, U-shaped ring, first shaft, second shaft, first spring, second spring and clamping plate are all made of stainless steel, and the outer layer of the stainless steel has a coating that has been processed by passivation. The rubber pad, the pressure wire body, the first sealing pad and the second sealing pad are all made of silicone rubber 6150, so that the product can tolerate mold (the strain group 2+ short-handled Scopulariopsis in GJB150.10A, 28 days, the mold growth assessment level is not inferior to level 2) and acid salt spray (240h) environment, combined with the overall width of the rubber pad increased from the original 8mm to 10.5mm, the cover is squeezed and sealed with the internal rubber pad when the cover is closed, and a circle of protrusions of the rubber pad is forced to expand outward into a trumpet shape, and the front end of the mounting plate of the cover is provided with a second sealing pad to improve the sealing performance of docking with the equipment panel, thereby greatly improving the product's ability to resist marine environmental corrosion.

[0017] The socket cover of the present invention has a simple structure and is easy to operate. It can be locked by pushing a button and can be quickly connected to a ground power plug. It has excellent resistance to marine environments and shipboard mechanical environments, and the overall structure is simplified in design. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the disassembled structure of parts of the present invention;

[0019] Figure 2 is a cross-sectional view of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the rubber pad;

[0021] Figure 4 yes Figure 3 A front view of

[0022] Figure 5 It is a structural schematic diagram of the wire pressing body;

[0023] Figure 6 It is a schematic diagram of the structure of the mouth cover;

[0024] Figure 7 This is a disassembly diagram of the parts of the mouth cover;

[0025] Figure 8 This is a disassembly diagram of the parts of the cover;

[0026] Fig. 9 This is a schematic diagram of the installation of the button, latch, spring sheet and base;

[0027] In the figure: 1-mouth cover; 101-lid; 1011-cover plate; 10111-mounting hole; 1012-rivet; 1013-bushing; 1014-button; 10141-limiting platform; 1015-latch; 1016-spring sheet; 1017-base; 1018-connecting part; 102-mounting plate; 1021-mounting ear; 1022-locking hole; 103-U-shaped ring; 1031 -first end; 1032-second end; 104-first rotating shaft; 105-second rotating shaft; 106-first spring; 107-second spring; 2-rubber pad; 2-1-protrusion; 3-clamp; 4-socket housing; 5-insulator; 6-wire pressing body; 7-first pin; 8-second pin; 9-third pin; 10-first sealing pad; 11-end cover; 12-pressing plate; 16-second sealing pad. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example

[0030] Reference Figure 1-Figure 2A marine-resistant ground power socket, the ground power socket comprises a cover 1, a rubber pad 2, a clamping plate 3, a socket housing 4, an insulator 5, a wire pressing body 6, a first pin 7, a second pin 8, a third pin 9, a first sealing pad 10, an end cover 11 and a pressing plate 12, an insulator 5 is installed inside the socket housing 4, a first pin 7, a second pin 8 and a third pin 9 are installed in the hole cavity of the insulator 5, the solder cups at the ends of the first pin 7, the second pin 8 and the third pin 9 are all placed in the groove of the insulator 5, and the first pin 7, the second pin 8 and the third pin 9 are placed in the groove of the insulator 5. A pressing body 6 is provided at the end of the third pin 9, and an end cover 11 is installed at the end of the pressing body 6. The insulator 5, the first pin 7, the second pin 8, the third pin 9 and the pressing body 6 are fixed inside the socket housing 4. The end cover 11 is fixed to the rear end face of the socket housing 4 by screws, and a first sealing gasket 10 is installed between the end cover 11 and the rear end face of the socket housing 4. A pressing plate 12 is provided below the end cover 11, and the pressing plate 12 is fixed to the rear end face of the socket housing 4 by screws. A rubber pad 2 and a clamping plate 3 are installed in sequence between the cover 1 and the socket housing 4. Figure 6-Figure 7 The cover 1 includes a cover 101, a rotating assembly and a mounting plate 102. The cover 101 is rotated and buckled on the opening above the mounting plate 102 through the rotating assembly. The cover 1, the rubber pad 2, the clamping plate 3 and the front end surface of the socket housing 4 are fixed by screws. When the cover 101 is buckled with the mounting plate 102, the bottom of the cover 101 squeezes the rubber pad 2 to achieve sealing. Figure 5 .

[0031] Reference Figure 3-Figure 4 The rubber pad 2 is provided with a waist-shaped hole, and the edge of the waist-shaped hole extends outward to form a circle of protrusions 2-1, and the circle of protrusions 2-1 is placed in the opening of the mounting plate 102. When the cover 101 is buckled with the mounting plate 102, when the bottom surface of the cover 101 is pressed against the rubber pad 2, the circle of protrusions 2-1 of the rubber pad 2 is forced to expand outward into a trumpet shape, and cooperate with the bottom of the cover 101 to achieve sealing.

[0032] Reference Figure 8-Figure 9The cover 101 includes a cover plate 1011, a plurality of rivets 1012, a plurality of bushings 1013, a button 1014, a latch 1015, a spring sheet 1016 and a base 1017. The cover plate 1011 and the base 1017 are riveted and fixed by a plurality of rivets 1012. A bushing 1013 is provided on the outside of each rivet 1012 for supporting and fixing the rivet 1012. A mounting hole is provided on the cover plate 1011. The button 1014 is fixed to the latch 1015 as a whole by the rivet 1012. The front and rear sides of the base 1017 are respectively provided with openings. The spring sheet 1016 is curved. The spring sheet 1016 has a rear end and a bottom portion that is clamped at the rear opening of the base 1017, a front end and a bottom portion that is placed in the base 1017, and a top portion that is in contact with the bottom portion of the latch 1015. The spring sheet 1016 provides a preload force. The button 1014 is placed at the mounting hole and can move forward and backward in the mounting hole 10111. The position of the latch 1015 corresponds to the front opening of the base 1017. The button 1014 controls the latch 1015 to extend and retract by moving forward and backward, thereby achieving the locking and unlocking of the cover 1. The inner side of the front end of the mounting plate 102 is provided with a lock hole 1022 that matches the latch 1015. When the button 1014 moves forward, the limit platform 10141 on the button 1014 matches the mounting hole 10111 on the cover plate 1011 to limit the movement of the button 1014.

[0033] The cover plate 1011 and the base 1017 are both made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0034] The rotating assembly includes a U-shaped ring 103, a first rotating shaft 104, a second rotating shaft 105, a first spring 106 and a second spring 107. The cover 101 is provided with a connecting portion 1018 for connecting to the U-shaped ring 103. The rear end of the mounting plate 102 is provided with an opening for the U-shaped ring 103 to pass through and two mounting ears 1021. The first end of the U-shaped ring 103 is connected to the connecting portion 1018 through the first rotating shaft 104 and the first spring 106. The second end of the U-shaped ring 103 passes through the opening of the U-shaped ring and is connected to the two mounting ears 1021 through the second rotating shaft 105 and the second spring 107.

[0035] The U-shaped ring 103, the first rotating shaft 104, the second rotating shaft 105, the first spring 106 and the second spring 107 are all made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0036] The overall width W of the rubber pad 2 is 10.5 mm.

[0037] The socket housing 4, the pressing plate 12 and the mounting plate 102 are all made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying.

[0038] The rubber pad 2, the wire pressing body 6 and the first sealing pad 10 are all made of silicone rubber 6150; the clamping plate 3 is made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0039] A second sealing gasket 16 is provided at the front end of the mounting plate 102 of the mouth cover 1 , and the second sealing gasket 16 is made of silicone rubber 6150.

[0040] When in use, the solder cups at the ends of the first pin 7, the second pin 8 and the third pin 9 of the ground power socket of the present invention are respectively fixed with the signal line, the positive line and the negative line by high-temperature welding. The signal line, the positive line and the negative line pass through the inside of the wire pressing body 6 and then pass out through the pressing plate 12. The pressing plate 12 presses the wire pressing body 6, thereby clamping the signal line, the positive line and the negative line.

[0041] The socket of the present invention is a PJ-500 series socket, the positive and negative lines of which can pass a large current of 500A, and are installed in an equipment compartment outside the aircraft air inlet. When the aircraft is in the ground preparation stage or is under maintenance and troubleshooting, the ground power plug provides 28V direct current to the aircraft electrical system through the socket of the present invention. The socket of the present invention is opened and closed by a button on the cover, and can be quickly opened when docked with the ground power plug. When the cover is closed, the bottom plate of the cover is squeezed and sealed with the internal rubber pad, thereby improving the sealing of the overall structure to adapt to the intrusion of marine environmental gases, and improving the surface treatment method of the socket shell to withstand the erosion of the marine environment.

[0042] The socket shell, pressure plate and mounting plate of the ground power socket of the present invention are made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying. The cover plate, bottom plate, U-shaped ring, first shaft, second shaft, first spring, second spring and clamping plate are all made of stainless steel, and the outer layer of the stainless steel has a coating that is passed through passivation treatment. The rubber pad, the pressing body, the first sealing pad and the second sealing pad are all made of silicone rubber 6150, so that the product can withstand mold (GJB150.10A species group 2 + short-handled Scopulariopsis for 28 days, and the mold growth assessment level is not inferior to level 2) and acidic salt spray (240h) environment. In addition, the overall width of the rubber pad is increased from the original 8mm to 10.5mm. When the cover is closed, the bottom plate and the internal rubber pad are squeezed and sealed. A circle of protrusions on the rubber pad are forced to expand outward into a trumpet shape. A second sealing pad is arranged at the front end of the mounting plate of the cover to improve the sealing performance with the equipment panel. A pressing body is arranged in the socket, and the sealing performance is improved, thereby greatly improving the product's resistance to marine corrosion.

[0043] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. Marine-resistant ground power socket, characterized in that, The ground power socket comprises a cover, a rubber pad, a clamping plate, a socket housing, an insulator, a wire pressing body, a first pin, a second pin, a third pin, a first sealing pad, an end cover and a pressing plate. An insulator is installed inside the socket housing, and the first pin, the second pin and the third pin are installed in the hole cavity of the insulator. The solder cups at the ends of the first pin, the second pin and the third pin are all placed in the groove of the insulator. A wire pressing body is provided at the ends of the first pin, the second pin and the third pin, and an end cover is installed at the end of the wire pressing body. The end cover is fixed to the rear end face of the socket housing by screws, and a first sealing pad is installed between the end cover and the rear end face of the socket housing. The insulator, the first pin, the second pin, the third pin and the wire pressing body are fixed inside the socket housing. A pressing plate is provided below the end cover, and the pressing plate is fixed to the rear end face of the socket housing by screws, and the pressing plate presses the wire pressing body tightly. A rubber pad and a clamping plate are sequentially installed between the opening cover and the socket housing. The opening cover includes a cover, a rotating assembly and a mounting plate. The cover is rotated and buckled at the opening above the mounting plate through the rotating assembly. The opening cover, the rubber pad, the clamping plate and the front end surface of the socket housing are fixed by screws. When the cover is buckled with the mounting plate, the bottom of the cover squeezes the rubber pad to achieve sealing; The cover comprises a cover plate, a plurality of rivets, a plurality of bushings, a button, a latch, a spring sheet and a base. The cover plate and the base are fixed by riveting with a plurality of rivets. A bushing is provided on the outside of each rivet for supporting and fixing the rivet. A mounting hole is provided on the cover plate. The button is fixed to the latch as a whole by rivets. Openings are respectively provided on the front and rear sides of the base. The spring sheet is in a curved arc shape. The rear end bottom of the spring sheet is clamped in the rear opening of the base. The front end bottom is placed in the base. The top end contacts the bottom of the latch. The spring sheet provides a pre-tightening force. The button is placed in the mounting hole and can move forward and backward in the mounting hole. The position of the latch corresponds to the front opening of the base. The button controls the extension and retraction of the latch by moving forward and backward, thereby realizing the locking and unlocking of the cover. A lock hole matching the latch is provided on the inner side of the front end of the mounting plate. The rubber pad is provided with a waist-shaped hole, the edge of the waist-shaped hole extends outward to form a circle of protrusions, and the circle of protrusions is placed in the waist-shaped groove of the mounting plate. When the cover is buckled with the mounting plate, the bottom surface of the cover is pressed against the rubber pad, and the circle of protrusions of the rubber pad are forced to expand outward into a trumpet shape, cooperating with the bottom of the cover to achieve sealing.

2. The marine-resistant ground power socket according to claim 1, characterized in that: The cover plate and the base are both made of stainless steel, and the outer layer of the stainless steel is provided with a plating layer which is subjected to passivation treatment.

3. The marine-resistant ground power socket according to claim 1, characterized in that: The rotating assembly includes a U-shaped ring, a first rotating shaft, a second rotating shaft, a first spring and a second spring. The cover is provided with a connecting portion for connecting to the U-shaped ring. The rear end of the mounting plate is provided with an opening for the U-shaped ring to pass through and two mounting ears. The first end of the U-shaped ring is connected to the connecting portion through the first rotating shaft and the first spring, and the second end of the U-shaped ring passes through the opening of the mounting plate and is connected to the two mounting ears through the second rotating shaft and the second spring.

4. The marine-resistant ground power socket according to claim 3, characterized in that: The U-shaped ring, the first rotating shaft, the second rotating shaft, the first spring and the second spring are all made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

5. The marine-resistant ground power socket according to claim 1, characterized in that: The overall width W of the rubber pad is 10.5 mm.

6. The marine-resistant ground power socket according to claim 1, characterized in that: The socket housing, the pressing plate and the mounting plate are all made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying.

7. The marine-resistant ground power socket according to claim 1, characterized in that: The rubber pad, the wire pressing body and the first sealing pad are all made of silicone rubber 6150; the clamping plate is made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

8. The marine-resistant ground power socket according to claim 1, characterized in that: A second sealing gasket is provided at the front end of the mouth cover, and the second sealing gasket is made of silicone rubber 6150.

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