Electric connector with self-locking function

Abstract

The utility model discloses an electric connector with a self-locking function, which comprises a socket shell and a plug shell, the left side of the socket shell is provided with a mounting seat, the right side of the socket shell is provided with a slotted hole, the plug shell is plugged from the slotted hole in the right side of the socket shell, and the right side of the plug shell is provided with an insulating shell. Two connecting shells are arranged in the socket shell, jacks are formed in the connecting shells, transmission gears are arranged on the front side and the rear side in the socket shell, a threaded rod is arranged between the transmission gears, connecting plugs are arranged on the left side of the plug shell, and limiting plates are arranged on the front portion and the rear portion of the middle of the left side face of the plug shell. And round holes penetrate through the front and rear sides of the limiting plate. According to the electric connector with the self-locking function, a certain distance exists between the handheld part and the connecting shell, potential safety hazards caused by short circuit in the inserting process are prevented, meanwhile, threaded rod inserting and locking are conducted on the limiting plate in the connecting process, and the situation that the connecting effect is affected due to falling off in the connecting process is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to an electric connector with a self-locking function. Background Art

[0002] In addition to meeting general performance requirements, electrical connectors must have good contact, reliable operation, and easy maintenance. Whether they work reliably directly affects the normal operation of the aircraft circuit and involves the safety of the entire host. Therefore, the host circuit has very strict requirements on the quality and reliability of electrical connectors. It is precisely because of the high quality and high reliability of electrical connectors that they are widely used in military systems such as aviation and aerospace. Common classification methods for electrical connectors include appearance, structure, and purpose. In order to ensure stability during installation, they need to be fixed before installation. However, there are still certain problems with existing electrical connectors when they are used:

[0003] For example, the electrical connector socket, electrical connector plug and electrical connector combination with announcement number CN206574914U, the technical scheme is as follows: the electrical connector combination includes an electrical connector socket and an electrical connector plug, wherein the electrical connector socket includes an insulating body respectively having a tongue plate and a docking plate, and conductive terminals arranged on the insulating body, and the contact parts of the conductive terminals are respectively located on the tongue plate and the docking plate; the electrical connector plug includes an insulating base, a pair of interfaces are formed on the insulating base, and the insulating base is provided with docking terminals and transmission lines interconnected with the docking terminals; the electrical connector plug is inserted into the docking plate through the docking interface, so that they can be electrically conductive with each other, and the power supply connector socket can be arbitrarily set on the electronic device, but the joints of the existing electrical connectors are basically directly connected, and the connection position is prone to conductive safety hazards during the plugging process. At the same time, the plug connection is prone to loosening and falling off due to bending of the connector head, affecting the plugging effect.

[0004] In view of this, we conducted in-depth research on the above issues, which led to the present case.

[0005] In view of the above problems, an innovative design is carried out on the basis of the original electrical connector. Utility Model Content

[0006] The utility model aims to provide an electrical connector with a self-locking function to solve the problems of potential safety hazards and easy falling off of the electrical connection proposed in the background art.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An electrical connector with a self-locking function comprises a socket shell and a plug shell, wherein a mounting seat is arranged on the left side of the socket shell, and a slot is opened on the right side of the socket shell, the plug shell is plugged into the slot on the right side of the socket shell, and an insulating shell is arranged on the right side of the plug shell, two connecting shells are arranged inside the socket shell, and a plug hole is opened inside the connecting shell, transmission gears are arranged on the front and back sides of the socket shell, and a threaded rod is arranged between the transmission gears, a plug connector is arranged on the left side of the plug shell, and a limit plate is arranged on the front and back sides of the middle of the left side of the plug shell, and round holes are opened through the front and back sides of the limit plate.

[0009] Preferably, the connection shell is fixedly installed on the left side of the socket shell, and a slot space is provided on the right side of the socket shell, and the slot space provides a plug-in space for the plug shell.

[0010] By adopting the above technical solution, the plug shell is connected to the slot on the right side of the socket shell by holding the insulating shell, and a certain distance is maintained between the hand and the connecting shell to prevent a short circuit from occurring during the plugging process and causing safety hazards.

[0011] Preferably, two connecting shells are provided, and both connecting shells are installed at upper and lower positions on the left side of the socket shell, and both plug connectors are fixedly installed at upper and lower positions on the left side surface of the plug shell, and the plug connectors are correspondingly connected to the sockets.

[0012] By adopting the above technical solution, when the plug shell is pushed into the right side of the socket shell, the plug connector is connected with the socket correspondingly, thereby ensuring the safety of the plugging.

[0013] Preferably, spur racks are horizontally arranged on the front and rear edges of the left side of the plug shell, and the teeth of the spur racks are connected to the transmission gear, and the transmission gear is rotatably connected to the front and rear side surfaces inside the socket shell through a rotating shaft.

[0014] With the above technical solution, when the plug housing is connected to the left, it also drives the spur rack to move to the left, and when it touches the transmission gear, it drives it to rotate, providing mechanical power for the movement of the threaded rod locking limit plate.

[0015] Preferably, the transmission gears are connected and installed with threaded sleeves close to the inner side of the socket shell, and the inside of the threaded sleeves are threadedly connected and installed with threaded rods.

[0016] By adopting the above technical solution, when the transmission gear rotates, the threaded sleeve is also driven to rotate, so that the threaded rod with thread connection can move inwards, so as to facilitate the insertion with the limit plate to form a locking structure.

[0017] Preferably, slide plates are sleeved and installed on the outer sides of the threaded rods, and the slide plates are slidably connected to the slide grooves, and the slide grooves are opened at the bottom of the upper connecting shell.

[0018] By adopting the above technical solution, the threaded rod moves in the front-rear direction through the limit of the slide plate, providing mechanical power for the movement of the threaded rod locking the limit plate.

[0019] Preferably, the limiting plate is vertically mounted on the front and rear sides of the left side of the plug housing, and the threaded rod passes through the inside of the circular hole when the plug housing is connected to the socket housing.

[0020] By adopting the above technical solution, when the plug shell is connected to the socket shell, the threaded rod moves forward and backward and passes through the circular hole of the limit plate to prevent the position of the plug shell from loosening, and automatically locks to prevent the connection from falling off.

[0021] Compared with the prior art, the utility model has the following beneficial effects: the electrical connector with self-locking function,

[0022] 1. A safe connection space is provided. The connection shell is fixedly installed on the left side of the socket shell, and a slot space is provided on the right side of the socket shell. The slot space provides a plug-in space for the plug shell. The plug shell is connected to the slot on the right side of the socket shell by holding the insulating shell. There is a certain distance between the hand and the connection shell to prevent short circuits during the plug-in process from causing safety hazards.

[0023] 2. A self-locking limit plate is provided. When the plug shell is connected to the left, the spur rack is driven to move to the left at the same time. When it touches the transmission gear, it drives it to rotate, and at the same time drives the threaded sleeve to rotate, so that the threaded rod with threaded connection can move inward. The limit plate is vertically installed on the front and back of the left side of the plug shell, and the threaded rod passes through the circular hole when the plug shell is connected to the socket shell. When the plug shell is connected to the socket shell, the threaded rod passes through the circular hole of the limit plate when it moves forward and backward, so as to prevent the position of the plug shell from loosening, and automatically lock to prevent the connection from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the appearance structure of the socket housing and the plug housing of the utility model;

[0025] Figure 2 This is a schematic diagram of the cross-sectional structure of the socket housing of the utility model;

[0026] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the socket housing of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the plug housing of the utility model;

[0028] Figure 5 This is a schematic diagram of the cross-sectional structure of the connection between the socket housing and the plug housing of the utility model.

[0029] In the figure: 1. socket housing; 2. plug housing; 3. mounting base; 4. insulating shell; 5. connecting housing; 6. jack; 7. slide groove; 8. transmission gear; 9. threaded sleeve; 10. threaded rod; 11. slide plate; 12. plug connector; 13. limit plate; 14. round hole; 15. spur rack. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 , the utility model provides a technical solution:

[0032] An electrical connector with a self-locking function comprises a socket shell 1 and a plug shell 2, wherein a mounting seat 3 is arranged on the left side of the socket shell 1, and a slot is opened on the right side of the socket shell 1, the plug shell 2 is plugged into the slot on the right side of the socket shell 1, and an insulating shell 4 is arranged on the right side of the plug shell 2, two connecting shells 5 are arranged inside the socket shell 1, and a plug hole 6 is opened inside the connecting shell 5, transmission gears 8 are arranged on the front and rear sides of the socket shell 1, and a threaded rod 10 is arranged between the transmission gears 8, a plug connector 12 is arranged on the left side of the plug shell 2, and a limit plate 13 is arranged on the front and rear sides of the middle of the left side of the plug shell 2, and a round hole 14 is opened through the front and rear sides of the limit plate 13.

[0033] The connection shell 5 is fixedly installed on the left side of the socket shell 1, and a slot space is provided on the right side of the socket shell 1, and the slot space provides a plug-in space for the plug shell 2. Two connection shells 5 are provided, and the connection shells 5 are installed at the upper and lower positions on the left side of the socket shell 1. The plug connector 12 is fixedly installed at the upper and lower positions on the left side of the plug shell 2, and the plug connector 12 is connected to the jack 6 accordingly. The plug shell 2 is connected to the slot on the right side of the socket shell 1 by holding the insulating shell 4, and there is a certain distance between the hand and the connection shell 5 to prevent a short circuit from occurring during the plug-in process and causing safety hazards. When the plug shell 2 is pushed to the right side of the socket shell 1, the plug connector 12 is connected to the jack 6 accordingly to ensure the safety of the plug-in.

[0034] The front and rear edges of the left side of the plug housing 2 are horizontally provided with a spur rack 15, and the teeth of the spur rack 15 are connected to the transmission gear 8, and the transmission gear 8 is rotatably connected to the front and rear sides of the inside of the socket housing 1 through a rotating shaft. The transmission gear 8 is connected and installed with a threaded sleeve 9 near the inside of the socket housing 1, and the threaded rod 10 is threadedly connected and installed inside the threaded sleeve 9. The outer side of the threaded rod 10 is sleeved and installed with a slide plate 11, and the slide plate 11 is slidably connected to the slide groove 7, and the slide groove 7 is opened at the bottom of the upper connection housing 5. When the plug housing 2 is connected to the left side, the spur rack 15 is driven to move to the left side at the same time, and when it touches the transmission gear 8, it drives it to rotate, providing mechanical power for the movement of the threaded rod 10 locking the limit plate 13. When the transmission gear 8 rotates, it also drives the threaded sleeve 9 to rotate, and then the threadedly connected threaded rod 10 can move inward, which is convenient for plugging with the limit plate 13 to form a locking structure. The threaded rod 10 moves in the front and rear directions through the limit of the slide plate 11, providing mechanical power for the movement of the threaded rod 10 locking the limit plate 13.

[0035] The limit plate 13 is vertically mounted on the left front and back of the plug housing 2, and the threaded rod 10 passes through the circular hole 14 when the plug housing 2 is connected to the socket housing 1. When the plug housing 2 is connected to the socket housing 1, the threaded rod 10 passes through the circular hole 14 of the limit plate 13 when moving forward and backward, preventing the position of the plug housing 2 from loosening, and automatically locking to prevent the connection from falling off.

[0036] Working principle:

[0037] When the utility model is in use, the plug shell 2 is connected to the right side slot of the socket shell 1 by holding the insulating shell 4. When the plug shell 2 is pushed into the right side of the socket shell 1, the plug connector 12 is connected correspondingly to the socket 6, and at the same time drives the spur rack 15 to move to the left, and drives it to rotate when it touches the transmission gear 8, and drives the threaded sleeve 9 to rotate, so that the threaded rod 10 connected by the thread can move inward, and the threaded rod 10 is moved in the front and rear direction through the limit of the slide plate 11. When the threaded rod 10 moves back and forth, it passes through the round hole 14 of the limit plate 13 to prevent the position of the plug shell 2 from loosening, and automatically locks to prevent the connection from falling off.

[0038] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0039] 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 electrical connector with a self-locking function, comprising a socket housing (1) and a plug housing (2), characterized in that: The left side of the socket shell (1) is provided with a mounting seat (3), and the right side of the socket shell (1) is provided with a slot, the plug shell (2) is plugged into the slot on the right side of the socket shell (1), and the right side of the plug shell (2) is provided with an insulating shell (4), the socket shell (1) is provided with two connecting shells (5), and the connecting shells (5) are provided with a plug hole (6), the front and rear sides of the socket shell (1) are provided with transmission gears (8), and a threaded rod (10) is provided between the transmission gears (8), the left side of the plug shell (2) is provided with a plug connector (12), and the middle front and rear sides of the left side of the plug shell (2) are provided with a limit plate (13), and the front and rear sides of the limit plate (13) are penetrated by round holes (14).

2. An electrical connector with self-locking function according to claim 1, characterized in that: The connection housing (5) is fixedly mounted on the left side of the interior of the socket housing (1), and a slot space is provided on the right side of the interior of the socket housing (1), and the slot space provides a plug-in space for the plug housing (2).

3. An electrical connector with self-locking function according to claim 2, characterized in that: Two connecting shells (5) are provided, and the connecting shells (5) are installed at upper and lower positions on the left side of the socket shell (1). The plug connectors (12) are fixedly installed at upper and lower positions on the left side of the plug shell (2), and the plug connectors (12) are connected to the sockets (6) correspondingly.

4. The electrical connector with self-locking function according to claim 1, characterized in that: The left front and rear edges of the plug housing (2) are both horizontally provided with spur racks (15), and the teeth of the spur racks (15) are connected to the transmission gear (8), and the transmission gear (8) is rotatably connected to the front and rear side surfaces inside the socket housing (1) via a rotating shaft.

5. An electrical connector with self-locking function according to claim 4, characterized in that: The transmission gear (8) is connected and installed with a threaded sleeve (9) close to the inner side of the socket housing (1), and a threaded rod (10) is threadedly connected and installed inside the threaded sleeve (9).

6. An electrical connector with self-locking function according to claim 5, characterized in that: The outer sides of the threaded rods (10) are sleeved with slide plates (11), and the slide plates (11) are slidably connected to the slide grooves (7), and the slide grooves (7) are opened at the bottom of the upper connection shell (5).

7. An electrical connector with self-locking function according to claim 6, characterized in that: The limiting plate (13) is vertically mounted on the front and rear sides of the left side of the plug housing (2), and the threaded rod (10) penetrates the inside of the circular hole (14) when the plug housing (2) is connected to the socket housing (1).

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