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CN-121983817-A - Connector assembly and butt joint locking method thereof

CN121983817ACN 121983817 ACN121983817 ACN 121983817ACN-121983817-A

Abstract

The invention discloses a connector assembly and a butt locking method thereof, and belongs to the technical field of electric connectors. The connector assembly includes a male connector and a female connector. The female end shell is provided with a first locking lug on the inner peripheral surface of the lower end, and the male end connector comprises a fixed cylinder, a locking lantern ring and a driving mechanism. The locking lantern ring can move axially and circumferentially, and a second locking lug is arranged at the upper end of the locking lantern ring. The driving mechanism is used for driving the locking collar to move up and down and rotate and driving the internal male end contact element to move up and down. During butt joint, the driving mechanism drives the locking lantern ring to extend into the female end shell and rotate, so that the second locking convex block is clamped on the top surface of the first locking convex block to realize locking, and meanwhile, the male end contact fitting piece and the female end contact fitting piece are driven to be automatically spliced. The invention realizes full automation of connector butt joint, locking and contact piece insertion, and has the advantages of convenient operation, high efficiency, compact structure and good reliability.

Inventors

  • GAN ZHIZHONG
  • LV WEI

Assignees

  • 贵州航天电器股份有限公司

Dates

Publication Date
20260505
Application Date
20260403

Claims (10)

  1. 1. The connector assembly comprises a male end connector (200) and a female end connector (100) which are in butt joint with each other, wherein the female end connector (100) comprises a female end shell (101) and a female end contact assembly arranged inside the female end shell (101), and is characterized in that a plurality of first locking convex blocks (101 a) are uniformly distributed on the inner peripheral surface of the lower end of the female end shell (101); The male end connector (200) comprises a fixed cylinder body (201) and a locking collar (202), wherein a male end contact fitting is arranged in the fixed cylinder body (201), the locking collar (202) is sleeved on the fixed cylinder body (201) and can move axially and circumferentially along the fixed cylinder body (201), and a plurality of second locking convex blocks (202 a) are uniformly distributed on the peripheral surface of the upper end of the locking collar (202); the male connector (200) further comprises a driving mechanism, a locking sleeve ring (202) and a fixing barrel (201), wherein the driving mechanism is used for driving the locking sleeve ring (202) to move up and down and rotate; When the male end connector (200) is in butt joint locking with the female end connector (100), the upper end of the locking collar (202) stretches into the inner hole of the female end shell (101), the second locking convex block (202 a) is clamped on the top surface of the first locking convex block (101 a), and the male end contact element moves upwards and is in plug connection with the female end contact element.
  2. 2. The connector assembly according to claim 1, wherein the driving mechanism comprises a motor (203), an outer gear ring (204) and a movable housing (205), wherein the outer gear ring (204) is sleeved on the fixed cylinder (201) and can rotate along the circumferential direction of the fixed cylinder (201); A support plate (206) is arranged at the lower end of the fixed cylinder body (201), the motor (203) is arranged on the bottom surface of the support plate (206), a driving gear (207) is arranged after an output shaft of the motor (203) passes through the support plate (206) from bottom to top, and the driving gear (207) is meshed with external teeth of the external gear ring (204); The movable shell (205) is sleeved outside the locking collar (202), the lower end of the movable shell (205) is fixedly connected with the outer gear ring (204), and synchronously rotates along with the outer gear ring (204); a first guide groove (2011) is formed in the wall of the fixed cylinder (201), and a first driving groove (2051) is formed in the inner surface of the movable shell (205); A first driving pin (208) is inserted in the radial direction on the locking collar (202), the inner side end of the first driving pin (208) is in sliding fit with the first guide groove (2011), and the outer side end of the first driving pin (208) is in sliding fit with the first driving groove (2051).
  3. 3. The connector assembly of claim 2, wherein the first driving groove (2051) comprises a horizontal groove section (2051 a) and a vertical groove section (2051 b) which are communicated with each other, the horizontal groove section (2051 a) being disposed along a circumferential direction of an inner surface of the movable housing (205), the vertical groove section (2051 b) being parallel to an axial direction of the movable housing (205); The first guide groove (2011) sequentially comprises a first inclined section (2011 a), a second inclined section (2011 b) and a horizontal guide section (2011 c) along the circumferential direction of the fixed cylinder (201).
  4. 4. The connector assembly according to claim 2, wherein the drive mechanism further comprises an actuating ring (209) slidably mounted inside the stationary cylinder (201), the actuating ring (209) being axially slidable up and down along the stationary cylinder (201), a second drive pin (210) being radially inserted on the actuating ring (209); The male end connector comprises a base mounting shell (211), wherein the lower half section of the base mounting shell (211) is inserted into an inner hole of the actuating ring (209) and synchronously moves axially along with the actuating ring (209); A strip-shaped guide groove (2012) extending along the axial direction of the fixed cylinder body (201) is formed on the cylinder wall of the fixed cylinder body; A second driving groove (2041) is formed in the inner surface of the outer gear ring (204); The second driving pin (210) is in sliding fit with the second driving groove (2041) after passing through the strip-shaped guide groove (2012), and the second driving pin (210) is in sliding fit with two side walls of the strip-shaped guide groove (2012).
  5. 5. The connector assembly according to claim 4, wherein the outer diameter of the upper half of the base mounting shell (211) is larger than the outer diameter of the lower half and forms a limiting step (211 a), and a limiting block (211 b) is provided on the limiting step (211 a); a limit groove (209 a) is formed in the inner surface of the actuation ring (209); The limiting step (211 a) is abutted against the top surface of the actuating ring (209), and the limiting block (211 b) is inserted into the limiting groove (209 a).
  6. 6. The connector assembly according to claim 4, wherein the second driving groove (2041) comprises a horizontal giving-up section (2041 a), an inclined driving section (2041 b) and a horizontal driving section (2041 c) in this order, the horizontal giving-up section (2041 a) and the horizontal driving section (2041 c) each extend horizontally along the circumferential direction of the outer gear ring (204), one end of the horizontal giving-up section (2041 a) communicates with the lower end of the inclined driving section (2041 b), and the upper end of the inclined driving section (2041 b) communicates with one end of the horizontal driving section (2041 c).
  7. 7. The connector assembly of claim 2, wherein the outer gear ring (204) comprises a toothed disc (2042), a torus (2043) integrally formed on a top surface of the toothed disc (2042); The annular body (2043) is inserted into an inner hole of the movable shell (205), the lower end face of the movable shell (205) abuts against the top face of the fluted disc (2042), and the fluted disc (2042) is fixedly connected with the movable shell (205) through screws.
  8. 8. The connector assembly according to claim 2, wherein a plurality of third locking protrusions (2052) are uniformly distributed on an inner circumferential surface of an upper end of the movable housing (205), and the third locking protrusions (2052) are adapted to be engaged with the second locking protrusions (202 a) of the locking collar (202) of the other male connector when the male connector (200) is mated with the male connector of the other identical structure as the female connector.
  9. 9. The connector assembly according to claim 2, wherein an annular protrusion (202 b) is provided on an outer peripheral surface of a lower end of the locking collar (202), the outer peripheral surface of the annular protrusion (202 b) is slidably fitted with an inner wall of the movable housing (205), and the first driving pin (208) is radially inserted on the annular protrusion (202 b).
  10. 10. A method of dock locking a connector assembly according to any one of claims 1 to 9, comprising the steps of: S1, keeping a female end connector (100) motionless, adjusting the axial direction of a male end connector (200) to be aligned with the female end connector (100) coaxially, and mutually closing the male end connector (200) and the female end connector (100) along the axial direction to enable the male end connector and the female end connector to be mutually abutted; S2, starting a driving mechanism to drive the locking collar (202) to move upwards, enabling the locking collar (202) to extend into an inner hole of the female end shell (101), driving the locking collar (202) to rotate circumferentially around the fixed cylinder (201) to enable the second locking lug (202 a) to be clamped on the top surface of the first locking lug (101 a), and driving the male end contact part to move upwards in the fixed cylinder (201) and complete splicing with the female end contact part.

Description

Connector assembly and butt joint locking method thereof Technical Field The invention relates to the technical field of electric connectors, in particular to a connector assembly capable of realizing automatic butt joint and locking and a butt joint locking method thereof. Background The male connector can be overlapped with the female connector to form a connector assembly, and the connector assembly is widely used for transmitting signals to various electronic devices in recent years. When the male end connector and the female end connector are mutually butted, the male end connector and the female end connector are mutually locked by adopting a locking mechanism, so that mutual separation is avoided. In a conventional connector assembly, as disclosed in patent application CN1110433a, a circular bulkhead connector assembly is locked by means of bayonet locking rings and other structures, manual operation is required in the whole process of locking and separating the connector assembly, locking is completed by manually inserting and closing a connector component and rotating the locking rings, manual force is required for unlocking and pulling out, and a typical "manual inserting and pulling out" operation mode is adopted. Although the connector can realize the functions of locking, anti-falling and the like, the connector does not have an automatic transmission and control structure, automatic butt joint and automatic locking cannot be completed, and an internal contact piece of the connector cannot realize automatic plug and pull, so that the degree of automation is extremely low. In the assembly and maintenance links of various kinds of equipment, the requirement for automatic locking of the electric connector and automatic plugging of the contact pieces is increasingly raised. However, the conventional connectors are all in the traditional mode of manual 'hand-in-hand' and have no automatic locking and automatic contact inserting and extracting capabilities, and part of the conventional connectors are also required to be fixed by being matched with an additional locking mechanism, so that the problems of complex operation and low efficiency exist. Meanwhile, the conventional connector mostly adopts a mode of firstly abutting joint and then locking, axial force needs to be applied in the abutting joint process, an auxiliary operation structure also needs to be equipped in part of scenes, and the use requirements of automation and convenience in the equipment abutting joint process can not be met. Disclosure of Invention The invention aims to solve the technical problems that the connector assembly in the prior art cannot realize automatic butt joint and locking, is complex in operation and low in efficiency. In order to achieve the above object, in a first aspect, the invention provides a connector assembly, which comprises a male end connector and a female end connector for mutually abutting, wherein the female end connector comprises a female end shell and a female end contact fitting piece arranged inside the female end shell, a plurality of first locking convex blocks are uniformly distributed on the inner peripheral surface of the lower end of the female end shell, the male end connector comprises a fixed cylinder body and a locking sleeve ring, the male end contact fitting piece is installed inside the fixed cylinder body, the locking sleeve ring is sleeved on the fixed cylinder body and can move along the axial direction and the circumferential direction of the fixed cylinder body, a plurality of second locking convex blocks are uniformly distributed on the outer peripheral surface of the upper end of the locking sleeve ring, the male end connector further comprises a driving mechanism for driving the locking sleeve ring to move up and down and rotate, the male end contact fitting piece is further used for driving the male end contact fitting piece to move up and down inside the fixed cylinder body, when the male end connector is in contact with the female end connector, the upper end of the locking sleeve ring extends into the inner hole of the female end shell, the second top surface of the locking convex blocks are clamped on the first top surface of the male end contact fitting piece, and the male end contact fitting piece is connected with the female end contact fitting piece in an upward mode. The driving mechanism comprises a motor, an outer gear ring and a movable shell, wherein the outer gear ring is sleeved on the fixed cylinder and can rotate along the circumferential direction of the fixed cylinder, a support plate is arranged at the lower end of the fixed cylinder, the motor is arranged on the bottom surface of the support plate, a driving gear is arranged after an output shaft of the motor penetrates out of the support plate from bottom to top and is meshed with the outer gear of the outer gear ring, the movable shell is sleeved outside the locking lantern ring, the lower end of th