A FD series circular breakaway connector

Abstract

The invention discloses an FD series circular separation connector, comprising a head shell and a seat shell, wherein the head shell is internally sleeved with an upper pin insulator, the head shell is internally sleeved with a lower pin insulator near the left side of the upper pin insulator, the upper pin insulator and the lower pin insulator are plugged with one end of a pin, and the upper pin insulator and the lower pin insulator are plugged with one end of a push rod near the pin, the outer wall of the head shell is movably connected with a steel ball, the head shell is fixedly connected with a bushing near the steel ball, the left side of the head shell is fixedly connected with the right side of a cable cover, the left side of the cable cover is fixedly connected with a spring, and the spring is sleeved with one end of a screw. The FD series circular separation connector product has the advantages of small size, light weight, and reliable locking, and is suitable for inter-stage electrical line connection of strategic and tactical weapon systems, aerospace carrier systems, and various weapon systems, circuit connection between systems and ground equipment, and electrical connection of other industrial equipment, and can be instantly mechanically separated.

Description

Technical Field

[0001] The invention relates to the technical field of separation electrical connectors, in particular to an FD series circular separation connector. Background Art

[0002] When the power equipment is actually in operation, it often needs to be connected to multiple cables, and the power equipment can achieve extended connection with the cable through the detachable connector. Its function is very simple: to build a bridge of communication between blocked or isolated circuits in the circuit, so that the current can flow and the circuit can achieve the predetermined function. In the process of using the original product, the plug and socket are not smooth when mechanically separated, which affects the normal use of the equipment; and it cannot withstand the high-temperature flame spray in a short period of time. Summary of the invention

[0003] The object of the present invention is to provide an FD series circular separation connector to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an FD series circular separation connector, comprising a head shell and a seat shell, the head shell having an upper pin insulator sleeved inside, the head shell having a lower pin insulator sleeved near the left side of the upper pin insulator, the upper pin insulator and the lower pin insulator plugged into one end of the pin, the upper pin insulator and the lower pin insulator plugged into one end of the push rod near the pin, the outer wall of the head shell movably connected to a steel ball, the head shell fixedly connected to a bushing near the steel ball, the left side of the head shell fixedly connected to the right side of the first cable cover, the left side of the first cable cover fixedly connected to the first spring, the first spring sleeved one end of the screw, the first cable cover sleeved a fork spring near the other end of the screw, the fork spring sleeved an insulator, the first cable cover is provided with a first top screw near the insulator, the first top screw is fixedly connected to the second cable cover, the screw near one end of the first spring is threadedly connected to one end of a nut, the other end of the nut is fixedly connected to a white nylon rope, the first cable cover is fixedly connected to the first The cable clamp, the right side of the head shell is fixedly connected to the left side of the locking sleeve, the locking sleeve is sleeved with the upper insulator and the lower insulator, the upper insulator and the lower insulator are fixedly connected to the torsion spring, the locking sleeve is fixedly connected to the left side of the torsion spring near the retaining spring, the locking sleeve is fixedly connected to the right side of the torsion spring near the retaining spring, the locking sleeve is fixedly connected to the metal head protective cap on the right side, the seat shell is sleeved with the upper insulator on the hole, the insulator on the hole is fixedly connected to the second spring, the right side of the second spring is sleeved with the seat top rod, the second spring is sleeved with the top rod sleeve, the upper insulator on the hole is fixedly connected to the sleeve near the top of the top rod sleeve, the upper insulator on the hole is sleeved with the sealing pad near the left side of the sleeve, the upper insulator on the hole is sleeved with the lower insulator on the hole near the sealing pad, the lower insulator sleeve and the sealing pad are provided with a jack near the left side of the sleeve, the left side of the seat shell is fixedly connected to the right side of the second cable cover, the left side of the second cable cover is fixedly connected to the second cable clamp, the outer wall of the second cable cover is fixedly connected to the second top screw, and the right side of the seat shell is fixedly connected to the protective cap.

[0005] Preferably, after the head shell, the upper pin insulator, the lower pin insulator, the plug pin and the ejector pin are installed, they are punched to the insulator of the first cable cover using a special punching tool.

[0006] Preferably, a hole is opened in the head shell near the steel ball, and the bushing and the head shell are connected by stamping.

[0007] Preferably, a through hole is opened on the left side of the first cable cover to receive the first spring, and after the insulator is pressed to the bottom of the fork spring, the first top screw is screwed in and fixed with thread glue.

[0008] Preferably, a fixing hole is opened at one end of the nut, and the white nylon rope is sleeved through the fixing hole of the nut.

[0009] Preferably, the torsion spring is bent 90° after being exposed from the end surface of the insulator, and is fixed by means of grease glue.

[0010] Preferably, an insulator assembly is formed in the seat shell by silicone rubber, and the shell end surface of the seat shell is riveted by a special riveting tool.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. This FD series circular separation connector product has the advantages of small size, light weight and reliable locking. It is suitable for the inter-stage electrical line connection of strategic and tactical weapon systems, aerospace delivery systems and various weapon systems, the circuit connection between the system and ground equipment, and the electrical connection of other industrial equipment, and can be mechanically separated instantly.

[0013] 2. The connector head and seat shell of this FD series circular separation connector are made of 316L stainless steel, which has excellent salt spray resistance and good sealing performance after the head and seat are plugged in. The other metal parts are made of aluminum alloy, and the coating is natural anodized, which has strong corrosion resistance and high temperature resistance, and can adapt to the use in aerospace environment. The insulator is made of FX-502 phenolic fiberglass plastic, which has excellent high temperature resistance and corrosion resistance, and can meet the electrical performance transmission of the product in harsh environments.

[0014] 3. The FD series circular disconnect connector parts are processed by high-precision CNC lathes, milling machines, wire-cutting machines and other equipment to ensure that the size of the parts is within the design requirements; the connection method of the plug and socket is threaded, and the separation method is mechanical unlocking and forced separation. The socket is designed to be sealed and equipped with a flame-proof mechanism, which can withstand high-temperature flame jets for a short time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the cable cover of the present invention;

[0016] Figure 2 It is a schematic diagram of the structure of the head shell part;

[0017] Figure 3 It is a schematic diagram of the structure of the locking sleeve and the metal head protection cap;

[0018] Figure 4 It is a schematic diagram of the structure of the cable cover;

[0019] Figure 5 It is a schematic diagram of the structure of the seat shell and the seat protection cap.

[0020] In the figure: 1 head shell, 2 locking sleeve, 3 insulator, 4 pin upper insulator, 5 upper insulator, 6 pin lower insulator, 7 lower insulator, 8 pin, 9 first spring, 10 torsion spring, 11 retaining spring, 12 screw rod, 13 push rod, 14 nut, 15 first cable cover, 16 bushing, 17 first cable clamp, 18 gasket, 19 fork spring, 20 metal head protection cap, 21 steel ball, 22 first push screw, 23 white nylon rope, 24 seat shell, 25 hole upper insulator, 26 hole lower insulator, 27 jack, 28 sheath, 29 second spring, 30 seat push rod, 31 second cable cover, 32 second cable clamp, 33 seat protection cap, 34 push rod sleeve, 35 sealing pad, 36 second push screw. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5The present invention provides a technical solution: an FD series circular separation connector, including a head shell 1 and a seat shell 24, the head shell 1 is sleeved with a pin upper insulator 4, the head shell 1 is sleeved with a pin lower insulator 6 near the left side of the pin upper insulator 4, the pin upper insulator 4 and the pin lower insulator 6 are plugged with one end of a pin 8, and the pin upper insulator 4 and the pin lower insulator 6 are plugged with one end of a push rod 13 near the pin 8, the outer wall of the head shell 1 is movably connected to a steel ball 21, the head shell 1 is fixedly connected to a bushing 16 near the steel ball 21, a hole is opened near the steel ball 21, the bushing 16 and the head shell 1 are stamped and connected, the left side of the head shell 1 is fixedly connected to the right side of a first cable cover 15, the left side of the first cable cover 15 is fixedly connected to a first spring 9, the first spring 9 is sleeved with one end of a screw 12, and the first A cable cover 15 is sleeved with a fork spring 19 near the other end of the screw rod 12, and the fork spring 19 is sleeved with the insulator 3. A through hole is opened on the left side of the first cable cover 15 to sleeve the first spring 9. After the insulator 3 is pressed to the bottom of the fork spring 19, the first top screw 22 is screwed into and fixed with thread glue. After the head shell 1, the upper needle insulator 4, the lower needle insulator 6, the plug pin 8 and the top rod 13 are installed, a special stamping tool is used to stamp to the insulator 3 of the first cable cover 15. The first cable cover 15 is provided with a first top screw 22 near the insulator 3. The first top screw 22 is fixedly connected to the second cable cover 31. The screw rod 12 near one end of the first spring 9 is threadedly connected to one end of the nut 14, and the other end of the nut 14 is fixedly connected to the white nylon rope 23. A fixing hole is opened at one end of the nut 14. The white nylon rope 2 3 is sleeved on the fixing hole of the nut 14, the first cable cover 15 is fixedly connected to the first cable clamp 17, the right side of the head shell 1 is fixedly connected to the left side of the locking sleeve 2, the locking sleeve 2 is sleeved on the upper insulator 5 and the lower insulator 7, the upper insulator 5 and the lower insulator 7 are fixedly connected to the torsion spring 10, the torsion spring 10 is bent 90° after exposing the end surface of the insulator 3, and is fixed by grease glue, the locking sleeve 2 is fixedly connected to the left side of the torsion spring 10 near the torsion spring 10, the locking sleeve 2 is fixedly connected to the gasket 18 near the right side of the torsion spring 10, the locking sleeve 2 is fixedly connected to the metal head protection cap 20 on the right side, the seat shell 24 is sleeved on the hole insulator 25, the hole insulator 25 is fixedly connected to the second spring 29, the right side of the second spring 29 is sleeved on the seat top rod 30, the second spring 29 and the top rod sleeve 34 The upper insulator 25 of the hole is fixedly connected to the sleeve 28 near the top of the top rod sleeve 34, the upper insulator 25 of the hole is sleeved with the sealing gasket 35 near the left side of the sleeve 28, the upper insulator 25 of the hole is sleeved with the lower insulator 26 near the sealing gasket 35, and the lower insulating sleeve and the sealing gasket 35 are provided with a plug hole 27 near the left side of the sleeve 28. The insulator assembly is formed by silicone rubber in the seat shell 24, and the shell end face of the seat shell 24 is riveted with a special riveting tool. The left side of the seat shell 24 is fixedly connected to the right side of the second cable cover 31, the left side of the second cable cover 31 is fixedly connected to the second cable clamp 32, the outer wall of the second cable cover 31 is fixedly connected to the second top screw 36, and the right side of the seat shell 24 is fixedly connected to the seat protective cap 33. The seat shell 24 part is a socket, and the head shell 1 part is a plug.The FD series circular separation connector has the advantages of small size, light weight and reliable locking. It is suitable for the connection of inter-stage electrical lines of strategic and tactical weapon systems, aerospace delivery systems and various weapon systems, the circuit connection between the system and ground equipment, and the electrical connection of other industrial equipment, and can be separated mechanically instantly. The connector head and seat shell 24 are made of 316L stainless steel, which has excellent salt spray resistance and good sealing performance after the head and seat are plugged in. The other metal parts are made of aluminum alloy, and the coating is natural anodized, which is highly corrosion-resistant and high-temperature resistant, and can adapt to the use of aerospace environment. Insulator 3 is made of FX-502 phenolic fiberglass plastic, which has excellent high-temperature and corrosion resistance and can meet the electrical performance transmission of the product in harsh environments. The parts are processed by high-precision CNC lathes, milling machines, slow wire walking and other equipment to ensure that the size of the parts is within the design requirements. The connection method of the plug and socket is threaded, and the separation method is mechanical unlocking and forced separation. The socket is designed to be sealed and equipped with a flame-proof mechanism, which can withstand high-temperature flame spray in a short time. ,

[0023] When in use, the head shell 1 is equipped with an upper insulator 4, a lower insulator 6, a plug pin 8, and a push rod 13. After the insulator 3 is installed, a special punching tool is used to evenly punch the insulator 3 at the position shown in the figure to ensure that the plug pin 8 can jump up and down inside the insulator 3; a steel ball 21 is installed in the hole of the head shell 1, and the bushing 16 is installed in the head shell 1 and then punched at two points. After punching, the steel ball 21 can jump up and down inside the bushing 16 and should not be deformed; first, the torsion spring 10 is inserted into the upper insulator 5 and the lower insulator 7, and the torsion spring 10 is bent 90 degrees after the end surface of the insulator 3 is exposed, and a small amount of resin glue is applied to fix it; then Then, install the gasket 18, the insulator assembly, and the retaining spring 11 in the locking sleeve 2 in sequence; first install the first spring 9, the fork spring 19, and the screw 12 in the first cable cover 15, and then put the insulator 3 into the fork spring 19. After the insulator 3 is pressed to the bottom, screw in the first top screw 22 and fix it with thread glue; tighten the screw 12 with the nut 14, and apply thread glue to the nut 14; then install the first cable clamp 17 on the first cable cover 15 to fix it; pass the white nylon rope 23 through the hole in the nut 14, and it should be smooth when pulled; then install the metal head protection cap 20 into the locking sleeve 2. Place the second spring 29, the seat top rod 30, the top rod sleeve 34, the jack 27, and the sheath 28 into the upper hole insulator 25 respectively, and place the sealing gasket 35 on the insulator 3, cover it with the lower hole insulator 26, and fill the gap with silicone rubber to form an insulator assembly, and place the insulator assembly into the seat shell 24, and then use a special riveting tool to rivet the shell end face of the seat shell 24. After riveting, ensure that the insulator 3 is fixed inside the shell and there are no cracks at the riveted joints, install the second cable clamp 32 into the second cable cover 31 to fix it, install the second top screw 36 on the side, and install the seat protection cap 33 on the socket,

[0024] In summary, the FD series circular separation connector product has the advantages of small size, light weight, and reliable locking. It is suitable for the connection of inter-stage electrical lines of strategic and tactical weapon systems, aerospace delivery systems and various weapon systems, and the circuit connection between the system and ground equipment, as well as the electrical connection of other industrial equipment, and can be separated mechanically instantly. The connector head and seat shell 24 are made of 316L stainless steel, which has excellent salt spray resistance, and the product head and seat have good sealing performance after plugging; the other metal parts are made of aluminum alloy, and the coating is natural anodized, which has strong corrosion resistance and high temperature resistance, and can adapt to the use of aerospace environment. The insulator 3 is made of FX-502 phenolic glass fiber plastic, which has excellent high temperature resistance and corrosion resistance, and can meet the electrical performance transmission of the product in harsh environments. The parts are processed by high-precision CNC lathes, milling machines, slow wire walking and other equipment to ensure that the size of the parts is within the design requirements. The connection method of the plug and socket is threaded, and the separation method is mechanical unlocking and forced separation. The socket is designed to be sealed and equipped with a flameproof mechanism, which can withstand high-temperature flame spray in a short time.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An FD series circular breakaway connector, comprising a head housing (1) and a seat housing (24), characterized in that: The head shell (1) is internally sleeved with the upper pin insulator (4), the head shell (1) is sleeved with the lower pin insulator (6) near the left side of the upper pin insulator (4), the upper pin insulator (4) and the lower pin insulator (6) are plugged into one end of the plug pin (8), and the upper pin insulator (4) and the lower pin insulator (6) are plugged into one end of the push rod (13) near the plug pin (8), the outer wall of the head shell (1) is movably connected to the steel ball (21), the head shell (1) is fixedly connected to the bushing (16) near the steel ball (21), the left side of the head shell (1) is fixedly connected to the right side of the first cable cover (15), the left side of the first cable cover (15) is fixedly connected to the first spring (9), the first spring (9) is sleeved with one end of the screw rod (12), and the first cable cover (15) A fork spring (19) is sleeved on the other end of the screw rod (12), and the fork spring (19) is sleeved on the insulator (3). A first top screw (22) is provided near the insulator (3) on the first cable cover (15), and the first top screw (22) is fixedly connected to the second cable cover (31). The screw rod (12) at one end of the first spring (9) is threadedly connected to one end of a nut (14), and the other end of the nut (14) is fixedly connected to a white nylon rope (23). The first cable cover (15) is fixedly connected to a first cable clamp (17). The right side of the head shell is fixedly connected to the left side of the locking sleeve (2), and the locking sleeve (2) is sleeved on the upper insulator (5) and the lower insulator (7). The upper insulator (5) and the lower insulator (7) are fixedly connected to the torsion spring (10). The locking sleeve (2) is fixedly connected to the left side of the torsion spring (10), the locking sleeve (2) is fixedly connected to the gasket (18) on the right side of the torsion spring (10), the locking sleeve (2) is fixedly connected to the metal head protection cap (20) on the right side, the seat shell (24) is sleeved with the hole upper insulator (25), the hole upper insulator (25) is fixedly connected to the second spring (29), the second spring (29) is sleeved with the seat top rod (30) on the right side, the second spring (29) is sleeved with the top rod sleeve (34), the hole upper insulator (25) is fixedly connected to the sleeve (28) near the top of the top rod sleeve, the hole upper insulator (25) is sleeved with the sealing gasket (35) on the left side of the sleeve (28), the hole upper insulator (25) is sleeved with the sealing gasket (34) near the sealing gasket (34), and the hole upper insulator (25) is sleeved with the seat top rod (30) on the right side. 5) a socket-type insulator (26) is provided under the hole, the socket-type insulator (26) and the sealing gasket are provided with a plug hole (27) near the left side of the sheath, the left side of the seat shell (24) is fixedly connected to the right side of the second cable cover (31), the left side of the second cable cover (31) is fixedly connected to the second cable clamp (32), the outer wall of the second cable cover (31) is fixedly connected to the second top screw (36), and the right side of the seat shell (24) is fixedly connected to the protective cap (33); a hole is provided near the steel ball (21) on the head shell (1), and the bushing (16) and the head shell (1) are connected by stamping; a through hole is provided on the left side of the first cable cover (15) to socket the first spring (9), and the insulator (3) is pressed to the bottom of the fork spring (19) and then the first top screw (22) is screwed in and fixed with thread glue.

2. The FD series circular breakaway connector according to claim 1, characterized in that: After the head shell, the upper pin insulator (4), the lower pin insulator (6), the plug pin (8) and the ejector pin (13) are installed, they are punched onto the insulator (3) of the first cable cover (15) using a special punching tool.

3. The FD series circular separation connector according to claim 1, characterized in that: A fixing hole is formed at one end of the nut (14), and a white nylon rope (23) is sleeved through the fixing hole of the nut (14).

4. The FD series circular breakaway connector according to claim 1, characterized in that: The torsion spring (10) is bent 90 degrees after being exposed from the end surface of the insulator, and is fixed by means of grease glue.

5. The FD series circular breakaway connector according to claim 1, characterized in that: An insulator assembly is formed in the seat shell (24) by means of silicone rubber, and a shell end surface of the seat shell (24) is riveted using a special riveting tool.

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